


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
485 FNUS55 KRIW 120947 FWFRIW Fire Weather Planning Forecast for Western and Central Wyoming National Weather Service Riverton WY 347 AM MDT Sun Oct 12 2025 .DISCUSSION... ...Yellowstone NP and Teton dispatch areas (includes fire weather zones 140...414...415...and 416)... West winds, with gusts up to 45 mph, will be ongoing across much of the dispatch area this morning, decreasing to 25 mph by 1200. Winds will continue to decrease through the afternoon, except over zone 140. There will be a 10-20% chance for showers/mountain snow through the day, ending by sunset this evening. ...Cody dispatch area (includes fire weather zones 275...276... 282...283...285...286...287...288...and 289)... ***FREEZE WATCH IN EFFECT FOR ZONES 275/282 FROM LATE TONIGHT THROUGH MONDAY MORNING*** West winds, with gusts up to 45 mph, will be ongoing across zones 283, 286, 287, 288 and 289 this morning, decreasing to 25 to 35 mph by 1300. Winds will continue to decrease through the afternoon, except over zone 286. There will be a 10-20% chance for mountain snow over mainly zones 285/286/288 through the day, ending by sunset this evening. ...Casper dispatch area (includes fire weather zones 277...278... 279...280...281...285...289...and 300)... ***FREEZE WATCH IN EFFECT FOR ZONE 281 FROM LATE TONIGHT THROUGH MONDAY MORNING*** West winds, with gusts up to 45 mph, will be ongoing across zones 279, 280 and 289 this morning. These winds will decreasing to 25 to 35 mph by 1200 across the dispatch area and continue to decrease through the afternoon. There will be a 10-20% chance for mountain snow over zone 285 through the day, ending by 1300. ...Thunderstorms imply strong gusty and erratic winds... WYZ280-131200- Natrona County/Casper BLM- Including the cities of Casper and Midwest 347 AM MDT Sun Oct 12 2025 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....51-56. 24 hr trend......10 degrees cooler. Min humidity........23-29 percent. 24 hr trend......36 percent drier. 20-foot winds.......Windy. West winds 25 to 30 mph until 1500, then around 20 mph. Gusts up to 45 mph until 1200, then 35 mph. Ridge top winds.....West 25 to 30 mph. Chc of wetting rain.Zero percent. Transport winds.....West 30 to 35 mph. Mixing Height.......2600-4600 ft agl until 1200, then 6800-8400 ft agl. Smoke dispersal.....Good to very good until 1200, then excellent. .TONIGHT... Sky/weather.........Clear. Areas of frost after midnight. Widespread frost after midnight. Chance of thunder...0 percent. Min temperature.....30-35. 24 hr trend......11 degrees cooler. Max humidity........69-75 percent. 24 hr trend......3 percent drier. Humidity recovery...Good. 20-foot winds.......Southwest winds around 15 mph with gusts to around 25 mph until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....Southwest around 15 mph until 2400, then southeast. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 15 mph until 2400, then southeast. Mixing Height.......1400-3400 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....57-62. 24 hr trend......5 degrees warmer. Min humidity........29-35 percent. 24 hr trend......7 percent wetter. 20-foot winds.......East winds 10 to 15 mph with gusts to around 25 mph. Ridge top winds.....East around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....East around 15 mph. Mixing Height.......1000-3000 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Slight chance of showers in the evening, then chance of showers after midnight. Lows in the upper 30s. East winds around 10 mph. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the upper 60s. Southeast winds around 10 mph. .WEDNESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the mid 30s. Highs in the mid 60s. Southwest winds around 15 mph. .THURSDAY...Cooler. Partly cloudy with chance of showers. Lows in the lower 30s. Highs in the lower 50s. West winds around 15 mph. .FRIDAY...Partly cloudy with chance of showers and snow showers. Lows in the lower 30s. Highs in the mid 50s. .SATURDAY...Partly cloudy. Chance of showers and snow showers in the morning, then slight chance of showers in the afternoon. Highs in the lower 50s. $$ WYZ283-131200- Upper Wind River Basin/Wind River Basin- Including the cities of Crowheart, Lander, Riverton, and Shoshoni 347 AM MDT Sun Oct 12 2025 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....50-55. 24 hr trend......14 degrees cooler. Min humidity........29-35 percent. 24 hr trend......23 percent drier. 20-foot winds.......Breezy. West winds 20 to 25 mph until 1500, then around 15 mph. Gusts up to 45 mph until 1200, then 35 mph. Ridge top winds.....West around 25 mph. Chc of wetting rain.Zero percent. Transport winds.....West 25 to 30 mph. Mixing Height.......2400-4400 ft agl until 1200, then 6000-8000 ft agl. Smoke dispersal.....Good until 1200, then very good. .TONIGHT... Sky/weather.........Clear. Widespread frost after midnight. Chance of thunder...0 percent. Min temperature.....29-34. 24 hr trend......6 degrees cooler. Max humidity........73-79 percent. 24 hr trend......1 percent drier. Humidity recovery...Excellent. 20-foot winds.......Southwest winds 10 to 15 mph until 2400, then southeast. Gusts up to 20 mph. Ridge top winds.....Southwest around 15 mph until 2400, then southeast. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 15 mph until 2400, then south. Mixing Height.......1600-3600 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....51-56. 24 hr trend......1 degree warmer. Min humidity........40-46 percent. 24 hr trend......10 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then east around 10 mph. Gusts up to 20 mph. Ridge top winds.....Northeast 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....East 10 to 15 mph. Mixing Height.......1200-3200 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Slight chance of showers in the evening, then chance of showers after midnight. Lows in the mid 30s. Northeast winds around 10 mph. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the lower 60s. Southeast winds around 10 mph. .WEDNESDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 30s. Highs in the lower 60s. Southwest winds around 15 mph. .THURSDAY...Partly cloudy with chance of showers and slight chance of snow showers. Lows in the lower 30s. Highs in the lower 50s. West winds around 10 mph. .FRIDAY...Partly cloudy with chance of showers and snow showers. Lows around 30. Highs in the mid 50s. .SATURDAY...Partly cloudy. Slight chance of showers and snow showers in the morning, then slight chance of showers in the afternoon. Highs in the lower 50s. $$ WYZ285-131200- South Bighorn Mountains- 347 AM MDT Sun Oct 12 2025 .TODAY... Sky/weather.........Partly cloudy. Snow showers and chance of showers in the morning. Slight chance of snow showers in the afternoon. Snow accumulation up to 2 inches. Chance of precipitation near 100 percent. Chance of thunder...0 percent. Max temperature.....45-50. 24 hr trend......14 degrees cooler. Min humidity........36-42 percent. 24 hr trend......23 percent drier. 20-foot winds.......Breezy. West winds 20 to 25 mph with gusts to around 45 mph until 1500, then around 15 mph with gusts to around 40 mph. Ridge top winds.....West 25 to 30 mph. Chc of wetting rain.20 percent until 1200, then zero percent. Transport winds.....West 25 to 30 mph. Mixing Height.......1800-3800 ft agl until 1200, then 4800-6800 ft agl. Smoke dispersal.....Fair to good until 1200, then very good. .TONIGHT... Sky/weather.........Mostly clear. Widespread frost late in the evening. Chance of thunder...0 percent. Min temperature.....29-34. 24 hr trend......4 degrees cooler. Max humidity........69-75 percent. 24 hr trend......17 percent drier. Humidity recovery...Good. 20-foot winds.......Southwest winds around 10 mph until 2400, then south. Gusts up to 25 mph. Ridge top winds.....South around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 15 mph. Mixing Height.......800-2800 ft agl until 2400, then 200-600 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....48-53. 24 hr trend......3 degrees warmer. Min humidity........39-45 percent. 24 hr trend......5 percent wetter. 20-foot winds.......Southeast winds around 10 mph until 1500, then east. Gusts up to 20 mph. Ridge top winds.....East around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southeast around 15 mph. Mixing Height.......400-2400 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Slight chance of showers after midnight. Lows in the mid 30s. Northeast winds around 10 mph. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the upper 50s. South winds around 10 mph. .WEDNESDAY...Partly cloudy. Chance of showers and snow showers. Lows in the mid 30s. Highs in the upper 50s. Southwest winds around 15 mph. .THURSDAY...Cooler. Partly cloudy with chance of showers and snow showers. Lows in the lower 30s. Highs in the mid 40s. West winds around 15 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy with chance of snow showers and showers. Lows in the lower 30s. Highs 43 to 48. $$ WYZ281-131200- Johnson County/Casper BLM- Including the cities of Buffalo and Kaycee 347 AM MDT Sun Oct 12 2025 ...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY MORNING... .TODAY... Sky/weather.........Partly cloudy then becoming mostly sunny. Slight chance of showers early in the morning. Chance of showers early in the morning. Chance of showers 50 percent. Chance of thunder...0 percent. Max temperature.....49-54. 24 hr trend......18 degrees cooler. Min humidity........31-37 percent. 24 hr trend......8 percent drier. 20-foot winds.......Northwest winds 15 to 20 mph. Gusts up to 40 mph until 1200, then 30 mph. Ridge top winds.....Northwest around 20 mph. Chc of wetting rain.10 percent until 1200, then zero percent. Transport winds.....West 20 to 25 mph. Mixing Height.......1800-3800 ft agl until 1200, then 5200-7200 ft agl. Smoke dispersal.....Fair to good until 1200, then very good. .TONIGHT... Sky/weather.........Mostly clear. Areas of frost late in the evening. Widespread frost early in the morning. Chance of thunder...0 percent. Min temperature.....28-33. 24 hr trend......10 degrees cooler. Max humidity........82-88 percent. 24 hr trend......2 percent wetter. Humidity recovery...Excellent. 20-foot winds.......North winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....Northeast around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....North around 10 mph until 2400, then east. Mixing Height.......400-2200 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....51-56. 24 hr trend......Unchanged. Min humidity........40-46 percent. 24 hr trend......4 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northeast around 10 mph with gusts to around 25 mph. Ridge top winds.....Northeast 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....East 10 to 15 mph. Mixing Height.......1000-3000 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Lows in the upper 30s. Northeast winds around 10 mph. .TUESDAY...Warmer. Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the mid 60s. South winds around 10 mph. .WEDNESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the upper 30s. Highs in the upper 60s. Southwest winds around 15 mph. .THURSDAY...Cooler. Partly cloudy. Chance of showers. Lows in the mid 30s. Highs in the mid 50s. West winds around 10 mph. .FRIDAY...Partly cloudy with chance of showers. Lows in the lower 30s. Highs in the upper 50s. .SATURDAY...Partly cloudy. Chance of showers and snow showers in the morning, then slight chance of showers in the afternoon. Highs in the lower 50s. $$ WYZ282-131200- South Bighorn Basin/Worland BLM- Including the cities of Ten Sleep, Thermopolis, and Worland 347 AM MDT Sun Oct 12 2025 ...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY MORNING... .TODAY... Sky/weather.........Partly cloudy. Slight chance of thunderstorms early in the morning. Chance of showers in the morning. Chance of precipitation 50 percent. Chance of thunder...10 percent. Max temperature.....47-52. 24 hr trend......16 degrees cooler. Min humidity........36-42 percent. 24 hr trend......9 percent drier. 20-foot winds.......Northwest winds around 10 mph with gusts to around 30 mph until 1200, then upslope/upvalley 5-9 mph. Ridge top winds.....Northwest around 15 mph until 1200, then northeast. Chc of wetting rain.10 percent until 1200, then zero percent. Transport winds.....West around 15 mph. Mixing Height.......1600-3600 ft agl until 1200, then 5600-7600 ft agl. Smoke dispersal.....Fair to good. .TONIGHT... Sky/weather.........Mostly clear. Areas of frost early in the morning. Chance of thunder...0 percent. Min temperature.....28-33. 24 hr trend......8 degrees cooler. Max humidity........74-80 percent. 24 hr trend......9 percent drier. Humidity recovery...Excellent. 20-foot winds.......Downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....Northeast around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....South around 10 mph. Mixing Height.......1200-3200 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....50-55. 24 hr trend......4 degrees cooler. Min humidity........40-46 percent. 24 hr trend......14 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north around 10 mph with higher gusts. Ridge top winds.....North 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....North 10 to 15 mph. Mixing Height.......800-2800 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Slight chance of showers after midnight. Lows in the lower 30s. North winds around 10 mph. .TUESDAY...Mostly clear with slight chance of showers. Lows in the upper 30s. Highs in the lower 60s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the mid 30s. Highs in the lower 60s. West winds around 10 mph. .THURSDAY...Cooler. Partly cloudy with chance of showers. Lows in the lower 30s. Highs in the lower 50s. West winds around 10 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy with chance of showers and snow showers. Lows in the lower 30s. Highs 52 to 57. $$ WYZ275-131200- North Bighorn Basin/Worland BLM- Including the cities of Greybull, Lovell, and Powell 347 AM MDT Sun Oct 12 2025 ...FREEZE WATCH IN EFFECT FROM LATE TONIGHT THROUGH MONDAY MORNING... .TODAY... Sky/weather.........Partly cloudy. Slight chance of thunderstorms early in the morning. Chance of showers in the morning. Slight chance of showers late in the morning. Chance of precipitation 50 percent. Chance of thunder...10 percent. Max temperature.....43-48. 24 hr trend......18 degrees cooler. Min humidity........44-50 percent. 24 hr trend......4 percent drier. 20-foot winds.......Northwest winds around 10 mph until 1200, then southwest. Gusts up to 30 mph. Ridge top winds.....Northwest around 15 mph until 1200, then southwest. Chc of wetting rain.10 percent until 1200, then zero percent. Transport winds.....West around 15 mph. Mixing Height.......1400-3400 ft agl until 1200, then 4600-6600 ft agl. Smoke dispersal.....Fair to good. .TONIGHT... Sky/weather.........Partly cloudy. Areas of frost after midnight. Widespread frost early in the morning. Chance of thunder...0 percent. Min temperature.....28-33. 24 hr trend......8 degrees cooler. Max humidity........78-84 percent. 24 hr trend......3 percent drier. Humidity recovery...Excellent. 20-foot winds.......Downslope/downvalley 4-7 mph until 0300, then northwest around 10 mph. Gusts up to 20 mph. Ridge top winds.....North around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....South around 10 mph until 2400, then north. Mixing Height.......600-2600 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Partly cloudy then becoming mostly sunny. Chance of thunder...0 percent. Max temperature.....45-50. 24 hr trend......5 degrees cooler. Min humidity........51-57 percent. 24 hr trend......12 percent wetter. 20-foot winds.......Northwest winds around 10 mph with higher gusts. Ridge top winds.....Northwest around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph. Mixing Height.......600-2600 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Slight chance of showers after midnight. Lows in the lower 30s. Northwest winds around 10 mph. .TUESDAY...Partly cloudy with slight chance of showers. Lows in the upper 30s. Highs in the upper 50s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy with showers likely and slight chance of thunderstorms. Lows in the mid 30s. Highs in the upper 50s. Northwest winds around 10 mph. .THURSDAY...Partly cloudy. Chance of showers. Lows in the mid 30s. Highs in the lower 50s. West winds around 10 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy with chance of showers and snow showers. Lows in the lower 30s. Highs 51 to 56. $$ WYZ276-131200- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 347 AM MDT Sun Oct 12 2025 .TODAY... Sky/weather.........Partly cloudy then becoming mostly sunny. Chance of showers and snow showers early in the morning. Slight chance of showers and snow showers early in the morning. Chance of precipitation 50 percent. Chance of thunder...0 percent. Max temperature.....47-52. 24 hr trend......16 degrees cooler. Min humidity........36-42 percent. 24 hr trend......7 percent drier. 20-foot winds.......Breezy. West winds 15 to 20 mph until 1200, then around 25 mph until 1500, then around 15 mph. Gusts up to 45 mph. Ridge top winds.....West 20 to 25 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 25 mph. Mixing Height.......1800-3800 ft agl until 1200, then 5200-7200 ft agl. Smoke dispersal.....Good. .TONIGHT... Sky/weather.........Partly cloudy. Areas of frost after midnight. Widespread frost early in the morning. Chance of thunder...0 percent. Min temperature.....27-32. 24 hr trend......7 degrees cooler. Max humidity........77-83 percent. 24 hr trend......7 percent drier. Humidity recovery...Excellent. 20-foot winds.......West winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....West around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....West 10 to 15 mph. Mixing Height.......1200-3200 ft agl until 2400, then 600-1000 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Partly cloudy then becoming mostly sunny. Chance of thunder...0 percent. Max temperature.....41-46. 24 hr trend......7 degrees cooler. Min humidity........57-63 percent. 24 hr trend......23 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then northeast 10 to 15 mph. Gusts up to 20 mph. Ridge top winds.....North 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northeast 10 to 15 mph. Mixing Height.......800-2800 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Slight chance of showers and snow showers after midnight. Lows in the lower 30s. Winds generally less than 10 mph. .TUESDAY...Partly cloudy with chance of showers. Lows in the mid 30s. Highs in the lower 50s. Winds generally less than 10 mph. .WEDNESDAY...Showers likely and slight chance of thunderstorms. Lows in the mid 30s. Highs in the lower 50s. Northwest winds around 10 mph. .THURSDAY...Mostly cloudy. Showers and snow showers likely. Lows in the mid 30s. Highs in the upper 40s. West winds around 10 mph. .FRIDAY...Partly cloudy with chance of showers and snow showers. Lows in the lower 30s. Highs in the lower 50s. .SATURDAY...Partly cloudy. Chance of snow showers and showers in the morning, then chance of snow showers and slight chance of showers in the afternoon. Highs in the upper 40s. $$ WYZ287-131200- Owl Creek Mountains- 347 AM MDT Sun Oct 12 2025 .TODAY... Sky/weather.........Partly cloudy then becoming mostly sunny. Chance of thunder...0 percent. Max temperature.....46-51. 24 hr trend......15 degrees cooler. Min humidity........32-38 percent. 24 hr trend......17 percent drier. 20-foot winds.......West winds 15 to 20 mph. Gusts up to 45 mph until 1200, then 25 mph. Ridge top winds.....West around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing Height.......1600-3600 ft agl until 1200, then 5400-7400 ft agl. Smoke dispersal.....Fair to good until 1200, then good to very good. .TONIGHT... Sky/weather.........Mostly clear. Chance of thunder...0 percent. Min temperature.....27-32. 24 hr trend......4 degrees cooler. Max humidity........65-71 percent. 24 hr trend......16 percent drier. Humidity recovery...Good. 20-foot winds.......Southwest winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....Southwest around 15 mph until 2400, then south. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......1000-3000 ft agl until 2400, then 200-600 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....45-50. 24 hr trend......3 degrees cooler. Min humidity........45-51 percent. 24 hr trend......14 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northeast around 10 mph with higher gusts. Ridge top winds.....Northeast 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....East 10 to 15 mph. Mixing Height.......600-2600 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Slight chance of showers after midnight. Lows in the lower 30s. North winds around 10 mph. .TUESDAY...Mostly clear with chance of showers. Lows in the upper 30s. Highs in the mid 50s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy. Chance of showers, snow showers and slight chance of thunderstorms. Lows in the mid 30s. Highs in the mid 50s. West winds around 10 mph. .THURSDAY...Partly cloudy with chance of showers and snow showers. Lows in the lower 30s. Highs in the upper 40s. West winds around 10 mph. .FRIDAY...Partly cloudy with chance of showers and snow showers. Lows in the lower 30s. Highs in the lower 50s. .SATURDAY...Partly cloudy. Chance of snow showers and showers in the morning, then slight chance of showers and snow showers in the afternoon. Highs in the mid 40s. $$ WYZ286-131200- Absaroka Mountains/North Shoshone NF- Including the city of Pahaska 347 AM MDT Sun Oct 12 2025 .TODAY... Sky/weather.........Partly cloudy. Snow showers early in the morning, then chance of snow showers early in the morning. Slight chance of snow showers late in the afternoon. Snow accumulation up to 2 inches. Chance of snow near 100 percent. Chance of thunder...0 percent. Max temperature.....37-42. 24 hr trend......18 degrees cooler. Min humidity........52-58 percent. 24 hr trend......8 percent drier. 20-foot winds.......Breezy. West winds 20 to 25 mph until 1500, then around 15 mph. Gusts up to 50 mph until 1200, then 40 mph. Ridge top winds.....West 20 to 25 mph. Chc of wetting rain.25 percent until 1200, then zero percent. Transport winds.....West 25 to 30 mph. Mixing Height.......2400-4400 ft agl. Smoke dispersal.....Good. .TONIGHT... Sky/weather.........Partly cloudy. Chance of snow showers early in the evening. Slight chance of snow showers in the evening. Widespread frost late in the evening. Chance of snow 50 percent. Chance of thunder...0 percent. Min temperature.....21-26. 24 hr trend......2 degrees cooler. Max humidity........77-83 percent. 24 hr trend......18 percent drier. Humidity recovery...Excellent. 20-foot winds.......West winds around 10 mph with gusts to around 30 mph until 2400, then downslope/downvalley 4-7 mph. Ridge top winds.....Southwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 10 to 15 mph. Mixing Height.......600-2600 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....37-42. 24 hr trend......4 degrees warmer. Min humidity........54-60 percent. 24 hr trend......7 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then east 10 to 15 mph with gusts to around 25 mph. Ridge top winds.....East 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southeast 10 to 15 mph. Mixing Height.......1000-3000 ft agl. Smoke dispersal.....Poor. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Chance of snow showers and showers after midnight. Lows in the upper 20s. Winds generally less than 10 mph. .TUESDAY...Partly cloudy with chance of showers and snow showers. Lows in the lower 30s. Highs in the upper 40s. Winds generally less than 10 mph. .WEDNESDAY...Snow showers with possible showers and thunderstorms likely. Lows in the upper 20s. Highs in the lower 40s. West winds around 10 mph. .THURSDAY...Mostly cloudy with snow showers likely. Lows in the upper 20s. Highs in the upper 30s. West winds around 15 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy with chance of snow showers. Lows in the mid 20s. Highs 36 to 41. $$ WYZ140-131200- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 347 AM MDT Sun Oct 12 2025 .TODAY... Sky/weather.........Mostly cloudy. Snow showers in the morning, then chance of snow showers and slight chance of thunderstorms in the afternoon. Snow accumulation up to 3 inches. Chance of precipitation near 100 percent. Chance of thunder...10 percent. Max temperature.....34-39. 24 hr trend......16 degrees cooler. Min humidity........66-72 percent. 24 hr trend......7 percent drier. 20-foot winds.......Southwest winds around 15 mph with gusts to around 30 mph. Ridge top winds.....Southwest around 20 mph. Chc of wetting rain.35 percent until 1200, then 10 percent. Transport winds.....Southwest 20 to 25 mph. Mixing Height.......1200-3200 ft agl. Smoke dispersal.....Poor to fair. .TONIGHT... Sky/weather.........Mostly cloudy then becoming partly cloudy. Chance of snow showers in the evening. Slight chance of snow showers after midnight. Widespread frost late in the evening. Chance of snow 50 percent. Chance of thunder...0 percent. Min temperature.....19-24. 24 hr trend......3 degrees cooler. Max humidity........86-92 percent. 24 hr trend......5 percent drier. Humidity recovery...Excellent. 20-foot winds.......South winds 10 to 15 mph until 2400, then downslope/downvalley 4-7 mph. Gusts up to 30 mph. Ridge top winds.....South 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....South 15 to 20 mph. Mixing Height.......600-2600 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Max temperature.....44-49. 24 hr trend......12 degrees warmer. Min humidity........45-51 percent. 24 hr trend......26 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then southeast around 10 mph. Gusts up to 20 mph. Ridge top winds.....Southeast 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southeast around 15 mph. Mixing Height.......600-2600 ft agl until 1200, then 2600-4600 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy. Chance of showers and snow showers after midnight. Lows in the mid 20s. East winds around 10 mph. .TUESDAY...Mostly cloudy with showers, snow showers likely and slight chance of thunderstorms. Lows around 30. Highs in the upper 40s. Winds generally less than 10 mph. .WEDNESDAY...Showers, snow showers and slight chance of thunderstorms. Lows in the mid 20s. Highs around 40. Winds generally less than 10 mph. .THURSDAY...Cloudy with snow showers likely and slight chance of thunderstorms. Lows in the lower 20s. Highs in the mid 30s. Southwest winds around 10 mph. .FRIDAY...Mostly cloudy with chance of snow showers. Lows around 20. Highs in the mid 30s. .SATURDAY...Partly cloudy. Chance of snow showers in the morning, then slight chance of snow showers in the afternoon. Highs in the mid 30s. $$ WYZ415-131200- North Zone Bridger Teton NF and Grand Teton NP- Including the cities of Jackson and Moran 347 AM MDT Sun Oct 12 2025 .TODAY... Sky/weather.........Mostly cloudy. Snow showers in the morning, then chance of snow showers and slight chance of thunderstorms in the afternoon. Snow accumulation up to 3 inches. Chance of precipitation near 100 percent. Chance of thunder...10 percent. Max temperature.....33-38. 24 hr trend......18 degrees cooler. Min humidity........69-75 percent. 24 hr trend......8 percent drier. 20-foot winds.......Southwest winds 10 to 15 mph. Gusts up to 40 mph until 1200, then 25 mph. Ridge top winds.....Southwest 15 to 20 mph. Chc of wetting rain.35 percent until 1200, then 10 percent. Transport winds.....West around 20 mph. Mixing Height.......1600-3600 ft agl. Smoke dispersal.....Poor to fair. .TONIGHT... Sky/weather.........Partly cloudy. Chance of snow showers early in the evening. Slight chance of snow showers early in the evening. Widespread frost late in the evening. Chance of snow 50 percent. Chance of thunder...0 percent. Min temperature.....18-23. 24 hr trend......1 degree cooler. Max humidity........86-92 percent. 24 hr trend......9 percent drier. Humidity recovery...Excellent. 20-foot winds.......South winds around 10 mph with gusts to around 25 mph until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....South 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....South 10 to 15 mph. Mixing Height.......600-2600 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....45-50. 24 hr trend......14 degrees warmer. Min humidity........54-60 percent. 24 hr trend......24 percent drier. 20-foot winds.......Southeast winds around 10 mph with gusts to around 25 mph. Ridge top winds.....Southeast around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southeast 15 to 20 mph. Mixing Height.......800-2800 ft agl until 1200, then 3000-5000 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .MONDAY NIGHT...Not as cold. Partly cloudy. Slight chance of showers and snow showers in the evening, then chance of showers, snow showers and slight chance of thunderstorms after midnight. Lows in the lower 30s. East winds around 10 mph. .TUESDAY...Mostly cloudy with showers, snow showers likely and slight chance of thunderstorms. Lows in the lower 30s. Highs in the upper 40s. Southeast winds around 10 mph. .WEDNESDAY...Snow showers, showers and slight chance of thunderstorms. Lows in the mid 20s. Highs around 40. Winds generally less than 10 mph. .THURSDAY...Cloudy with snow showers with showers likely. Lows in the lower 20s. Highs in the mid 30s. West winds around 10 mph. .FRIDAY...Mostly cloudy with chance of snow showers and showers. Lows in the lower 20s. Highs in the upper 30s. .SATURDAY...Partly cloudy. Chance of snow showers in the morning, then slight chance of snow showers in the afternoon. Highs in the upper 30s. $$ WYZ416-131200- West Wind River Mountains/East Zone Bridger Teton NF- 347 AM MDT Sun Oct 12 2025 .TODAY... Sky/weather.........Mostly cloudy then becoming partly cloudy. Snow showers likely early in the morning, then chance of snow showers. Slight chance of thunderstorms early in the afternoon. Snow accumulation up to 1 inch. Chance of precipitation 70 percent. Chance of thunder...10 percent. Max temperature.....32-37. 24 hr trend......18 degrees cooler. Min humidity........57-63 percent. 24 hr trend......11 percent drier. 20-foot winds.......West winds 15 to 20 mph. Gusts up to 40 mph until 1200, then 30 mph. Ridge top winds.....West 20 to 25 mph. Chc of wetting rain.15 percent until 1200, then zero percent. Transport winds.....West 20 to 25 mph. Mixing Height.......2000-4000 ft agl. Smoke dispersal.....Fair to good. .TONIGHT... Sky/weather.........Partly cloudy. Slight chance of snow showers early in the evening. Widespread frost late in the evening. Chance of snow 20 percent. Chance of thunder...0 percent. Min temperature.....20-25. 24 hr trend......1 degree warmer. Max humidity........79-85 percent. 24 hr trend......13 percent drier. Humidity recovery...Excellent. 20-foot winds.......South winds around 10 mph until 2400, then southeast. Gusts up to 25 mph. Ridge top winds.....South around 15 mph until 2400, then southeast. Chc of wetting rain.Zero percent. Transport winds.....South around 15 mph. Mixing Height.......800-2800 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....44-49. 24 hr trend......12 degrees warmer. Min humidity........51-57 percent. 24 hr trend......13 percent drier. 20-foot winds.......Southeast winds 10 to 15 mph with gusts to around 25 mph. Ridge top winds.....Southeast around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....South 15 to 20 mph. Mixing Height.......1000-3000 ft agl until 1200, then 3000-5000 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Slight chance of showers, thunderstorms and snow showers in the evening, then chance of showers, snow showers and slight chance of thunderstorms after midnight. Lows in the lower 30s. East winds around 10 mph. .TUESDAY...Mostly cloudy with chance of showers, snow showers and slight chance of thunderstorms. Lows in the lower 30s. Highs in the upper 40s. South winds around 10 mph. .WEDNESDAY...Mostly cloudy with snow showers, showers likely and slight chance of thunderstorms. Lows in the lower 20s. Highs around 40. Southwest winds around 10 mph. .THURSDAY...Mostly cloudy with snow showers likely. Lows in the lower 20s. Highs in the mid 30s. West winds around 10 mph. .FRIDAY...Partly cloudy with chance of snow showers. Lows around 20. Highs in the upper 30s. .SATURDAY...Partly cloudy. Chance of snow showers in the morning, then slight chance of snow showers in the afternoon. Highs in the mid 30s. $$ WYZ288-131200- East Wind River Mountains/South Shoshone NF- Including the cities of Dubois and South Pass 347 AM MDT Sun Oct 12 2025 .TODAY... Sky/weather.........Partly cloudy. Chance of snow showers. Chance of snow 50 percent. Chance of thunder...0 percent. Max temperature.....38-43. 24 hr trend......18 degrees cooler. Min humidity........49-55 percent. 24 hr trend......8 percent drier. 20-foot winds.......Breezy. West winds 20 to 25 mph. Gusts up to 50 mph until 1200, then 40 mph. Ridge top winds.....West 25 to 30 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....West around 35 mph until 1200, then around 25 mph. Mixing Height.......2400-4400 ft agl. Smoke dispersal.....Good. .TONIGHT... Sky/weather.........Partly cloudy. Widespread frost late in the evening. Chance of thunder...0 percent. Min temperature.....23-28. 24 hr trend......Unchanged. Max humidity........70-76 percent. 24 hr trend......16 percent drier. Humidity recovery...Excellent. 20-foot winds.......Southwest winds 10 to 15 mph with gusts to around 35 mph. Ridge top winds.....Southwest around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 15 to 20 mph. Mixing Height.......800-2800 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Slight chance of snow showers early in the afternoon. Slight chance of showers in the afternoon. Chance of precipitation 20 percent. Chance of thunder...0 percent. Max temperature.....43-48. 24 hr trend......7 degrees warmer. Min humidity........49-55 percent. 24 hr trend......2 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then southeast around 10 mph. Gusts up to 25 mph. Ridge top winds.....Southeast around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....South around 15 mph. Mixing Height.......1200-3200 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Chance of showers, slight chance of thunderstorms and snow showers in the evening, then chance of showers, snow showers and slight chance of thunderstorms after midnight. Lows in the lower 30s. East winds around 10 mph. .TUESDAY...Partly cloudy with chance of showers, snow showers and slight chance of thunderstorms. Lows in the mid 30s. Highs around 50. South winds around 10 mph. .WEDNESDAY...Partly cloudy with snow showers likely with possible showers and thunderstorms. Lows in the upper 20s. Highs in the mid 40s. Southwest winds around 15 mph. .THURSDAY...Partly cloudy. Chance of snow showers. Lows in the mid 20s. Highs in the upper 30s. West winds around 15 mph. .FRIDAY...Partly cloudy with chance of snow showers and slight chance of showers. Lows in the mid 20s. Highs in the lower 40s. .SATURDAY...Partly cloudy. Chance of snow showers in the morning, then slight chance of snow showers in the afternoon. Highs around 40. $$ WYZ414-131200- Salt and Wyoming Ranges/West Zone Bridger Teton NF- Including the city of Afton 347 AM MDT Sun Oct 12 2025 .TODAY... Sky/weather.........Mostly cloudy. Snow showers likely in the morning, then chance of snow showers and slight chance of thunderstorms in the afternoon. Snow accumulation up to 1 inch. Chance of precipitation 70 percent. Chance of thunder...10 percent. Max temperature.....32-37. 24 hr trend......20 degrees cooler. Min humidity........63-69 percent. 24 hr trend......1 percent drier. 20-foot winds.......West winds 15 to 20 mph with gusts to around 40 mph until 1500, then southwest around 10 mph with gusts to around 30 mph. Ridge top winds.....West around 25 mph until 1200, then southwest around 15 mph. Chc of wetting rain.10 percent until 1200, then zero percent. Transport winds.....West 20 to 25 mph. Mixing Height.......1600-3600 ft agl. Smoke dispersal.....Poor to fair. .TONIGHT... Sky/weather.........Partly cloudy then becoming clear. Widespread frost late in the evening. Chance of thunder...0 percent. Min temperature.....20-25. 24 hr trend......1 degree cooler. Max humidity........85-91 percent. 24 hr trend......12 percent drier. Humidity recovery...Excellent. 20-foot winds.......Downslope/downvalley 4-7 mph. Ridge top winds.....South around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....South around 10 mph. Mixing Height.......600-2600 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....47-52. 24 hr trend......14 degrees warmer. Min humidity........45-51 percent. 24 hr trend......19 percent drier. 20-foot winds.......Southeast winds around 10 mph with gusts to around 25 mph. Ridge top winds.....Southeast around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southeast 15 to 20 mph. Mixing Height.......800-2800 ft agl until 1200, then 3000-5000 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .MONDAY NIGHT...Not as cold. Mostly cloudy. Slight chance of showers in the evening, then chance of showers, snow showers and slight chance of thunderstorms after midnight. Lows in the mid 30s. Southeast winds around 10 mph. .TUESDAY...Mostly cloudy with showers, snow showers likely and slight chance of thunderstorms. Lows in the lower 30s. Highs in the lower 50s. Southeast winds around 10 mph. .WEDNESDAY...Colder. Showers, snow showers and slight chance of thunderstorms. Lows in the upper 20s. Highs in the lower 40s. Southwest winds around 10 mph. .THURSDAY...Mostly cloudy with snow showers and showers likely. Lows in the mid 20s. Highs in the mid 30s. West winds around 10 mph. .FRIDAY...Partly cloudy with chance of snow showers and showers. Lows in the mid 20s. Highs in the upper 30s. .SATURDAY...Partly cloudy. Chance of snow showers in the morning, then slight chance of snow showers in the afternoon. Highs in the upper 30s. $$ WYZ278-131200- Upper Green River Basin/Rock Springs BLM- Including the cities of Big Piney, Farson, and Pinedale 347 AM MDT Sun Oct 12 2025 .TODAY... Sky/weather.........Partly cloudy. Chance of snow showers early in the morning. Chance of snow 50 percent. Chance of thunder...0 percent. Max temperature.....38-43. 24 hr trend......19 degrees cooler. Min humidity........44-50 percent. 24 hr trend......3 percent wetter. 20-foot winds.......West winds 15 to 20 mph with gusts to around 35 mph. Ridge top winds.....West 20 to 25 mph. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing Height.......1800-3800 ft agl until 1200, then 5000-6400 ft agl. Smoke dispersal.....Good. .TONIGHT... Sky/weather.........Mostly clear. Widespread frost late in the evening. Chance of thunder...0 percent. Min temperature.....21-26. 24 hr trend......4 degrees cooler. Max humidity........81-87 percent. 24 hr trend......3 percent drier. Humidity recovery...Excellent. 20-foot winds.......Southwest winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....Southwest around 10 mph until 2400, then east. Chc of wetting rain.Zero percent. Transport winds.....South around 10 mph until 2400, then east. Mixing Height.......1400-3400 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....51-56. 24 hr trend......12 degrees warmer. Min humidity........40-46 percent. 24 hr trend......3 percent drier. 20-foot winds.......East winds around 10 mph until 1200, then southeast. Gusts up to 25 mph. Ridge top winds.....East 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....Southeast 15 to 20 mph. Mixing Height.......200-2200 ft agl until 1200, then 3600-5600 ft agl. Smoke dispersal.....Poor until 1200, then good. .Forecast days 3 through 7...... .MONDAY NIGHT...Not as cool. Mostly cloudy. Slight chance of showers and thunderstorms in the evening, then chance of showers and slight chance of thunderstorms after midnight. Lows in the mid 30s. Southeast winds around 15 mph. .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the mid 30s. Highs in the upper 50s. Southeast winds around 15 mph. .WEDNESDAY...Cooler. Partly cloudy with chance of showers, snow showers and slight chance of thunderstorms. Lows in the mid 20s. Highs in the upper 40s. Southwest winds around 10 mph. .THURSDAY...Partly cloudy. Chance of snow showers and slight chance of showers. Lows in the mid 20s. Highs in the mid 40s. West winds around 10 mph. .FRIDAY...Partly cloudy with slight chance of snow showers and showers. Lows in the lower 20s. Highs in the upper 40s. .SATURDAY...Partly cloudy. Slight chance of snow showers in the morning. Highs in the upper 40s. $$ WYZ277-131200- Lincoln and Uinta Counties/Lower Elevations- Including the cities of Evanston, Fort Bridger, and Kemmerer 347 AM MDT Sun Oct 12 2025 .TODAY... Sky/weather.........Partly cloudy. Slight chance of snow showers early in the morning. Chance of snow 20 percent. Chance of thunder...0 percent. Max temperature.....40-45. 24 hr trend......20 degrees cooler. Min humidity........45-51 percent. 24 hr trend......10 percent wetter. 20-foot winds.......West winds 15 to 20 mph until 1500, then around 10 mph. Gusts up to 35 mph until 1200, then 25 mph. Ridge top winds.....West around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 20 mph. Mixing Height.......1400-3400 ft agl until 1200, then 4200-5600 ft agl. Smoke dispersal.....Fair to good. .TONIGHT... Sky/weather.........Mostly clear. Widespread frost late in the evening. Chance of thunder...0 percent. Min temperature.....23-28. 24 hr trend......3 degrees cooler. Max humidity........81-87 percent. 24 hr trend......13 percent drier. Humidity recovery...Excellent. 20-foot winds.......Downslope/downvalley 4-7 mph until 0300, then northeast around 10 mph. Gusts up to 15 mph. Ridge top winds.....East around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....East around 10 mph. Mixing Height.......1000-3000 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....52-57. 24 hr trend......13 degrees warmer. Min humidity........34-40 percent. 24 hr trend......10 percent drier. 20-foot winds.......East winds around 10 mph until 1500, then southeast. Gusts up to 25 mph. Ridge top winds.....East around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....East around 15 mph until 1200, then southeast. Mixing Height.......200-1800 ft agl until 1200, then 3000-5000 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy. Slight chance of showers in the evening, then chance of showers and slight chance of thunderstorms after midnight. Lows in the mid 30s. Southeast winds around 10 mph. .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the mid 30s. Highs around 60. Southeast winds around 10 mph. .WEDNESDAY...Cooler. Mostly cloudy. Showers likely with possible snow showers and thunderstorms. Lows in the upper 20s. Highs in the upper 40s. West winds around 10 mph. .THURSDAY...Mostly cloudy. Chance of snow showers and showers. Lows in the mid 20s. Highs in the lower 40s. West winds around 15 mph. .FRIDAY...Partly cloudy with chance of snow showers and slight chance of showers. Lows in the mid 20s. Highs in the upper 40s. .SATURDAY...Partly cloudy. Slight chance of snow showers in the morning. Highs in the upper 40s. $$ WYZ279-131200- Sweetwater County/Rock Springs BLM/Flaming Gorge NRA- Including the cities of Green River, Rock Springs, and Wamsutter 347 AM MDT Sun Oct 12 2025 .TODAY... Sky/weather.........Partly cloudy then becoming mostly sunny. Chance of thunder...0 percent. Max temperature.....43-48. 24 hr trend......15 degrees cooler. Min humidity........36-42 percent. 24 hr trend......23 percent drier. 20-foot winds.......West winds 15 to 20 mph with gusts to around 35 mph. Ridge top winds.....West 20 to 25 mph. Chc of wetting rain.Zero percent. Transport winds.....West 20 to 25 mph. Mixing Height.......2000-4000 ft agl until 1200, then 5000-6400 ft agl. Smoke dispersal.....Good. .TONIGHT... Sky/weather.........Mostly clear. Widespread frost after midnight. Chance of thunder...0 percent. Min temperature.....27-32. 24 hr trend......2 degrees cooler. Max humidity........69-75 percent. 24 hr trend......17 percent drier. Humidity recovery...Good. 20-foot winds.......Southwest winds around 10 mph until 2100, then downslope/downvalley 4-7 mph until 2400, then southeast around 10 mph. Gusts up to 20 mph. Ridge top winds.....South 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....South 10 to 15 mph. Mixing Height.......1600-3600 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Partly cloudy. Slight chance of snow showers early in the morning. Slight chance of showers through the day. Slight chance of thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....53-58. 24 hr trend......11 degrees warmer. Min humidity........49-55 percent. 24 hr trend......12 percent wetter. 20-foot winds.......Southeast winds 10 to 15 mph. Gusts up to 20 mph until 1200, then 30 mph. Ridge top winds.....Southeast 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....South 15 to 20 mph. Mixing Height.......200-2200 ft agl until 1200, then 3000-5000 ft agl. Smoke dispersal.....Poor until 1200, then good. .Forecast days 3 through 7...... .MONDAY NIGHT...Not as cool. Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows around 40. Southeast winds around 10 mph. .TUESDAY...Mostly clear with slight chance of showers. Lows in the lower 40s. Highs in the lower 60s. South winds around 15 mph. .WEDNESDAY...Partly cloudy with chance of showers, snow showers and slight chance of thunderstorms. Lows around 30. Highs in the mid 50s. Southwest winds around 15 mph. .THURSDAY...Partly cloudy with slight chance of showers and snow showers. Lows in the upper 20s. Highs in the mid 40s. West winds around 15 mph. .FRIDAY...Partly cloudy with slight chance of showers and snow showers. Lows in the upper 20s. Highs in the upper 40s. .SATURDAY...Partly cloudy. Slight chance of snow showers in the morning. Highs in the upper 40s. $$ WYZ289-131200- Granite/Green/Ferris/Rattlesnake Mountains- Including the city of Jeffrey City 347 AM MDT Sun Oct 12 2025 .TODAY... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Max temperature.....44-49. 24 hr trend......12 degrees cooler. Min humidity........31-37 percent. 24 hr trend......36 percent drier. 20-foot winds.......Breezy. West winds 20 to 25 mph. Gusts up to 45 mph until 1200, then 35 mph. Ridge top winds.....West around 30 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 30 mph. Mixing Height.......2000-4000 ft agl until 1200, then 5200-6800 ft agl. Smoke dispersal.....Good until 1200, then very good. .TONIGHT... Sky/weather.........Clear. Widespread frost early in the morning. Chance of thunder...0 percent. Min temperature.....29-34. 24 hr trend......4 degrees cooler. Max humidity........64-70 percent. 24 hr trend......17 percent drier. Humidity recovery...Good. 20-foot winds.......Southwest winds around 15 mph until 2100, then downslope/downvalley 4-7 mph until 2400, then southeast around 10 mph. Gusts up to 25 mph. Ridge top winds.....Southwest around 15 mph until 2400, then southeast. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 15 mph until 2400, then south. Mixing Height.......1600-3600 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Slight chance of showers in the afternoon. Chance of showers 20 percent. Chance of thunder...0 percent. Max temperature.....54-59. 24 hr trend......9 degrees warmer. Min humidity........39-45 percent. 24 hr trend......8 percent wetter. 20-foot winds.......Southeast winds 10 to 15 mph. Gusts up to 20 mph until 1200, then 30 mph. Ridge top winds.....Southeast around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....South 15 to 20 mph. Mixing Height.......200-1800 ft agl until 1200, then 2800-4800 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .MONDAY NIGHT...Mostly cloudy with chance of showers and slight chance of thunderstorms. Lows in the upper 30s. East winds around 10 mph. .TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the lower 60s. South winds around 10 mph. .WEDNESDAY...Partly cloudy with chance of showers, snow showers and slight chance of thunderstorms. Lows in the lower 30s. Highs in the mid 50s. Southwest winds around 15 mph. .THURSDAY...Partly cloudy with chance of showers and snow showers. Lows around 30. Highs in the upper 40s. West winds around 15 mph. .FRIDAY...Partly cloudy with chance of snow showers and showers. Lows around 30. Highs around 50. .SATURDAY...Partly cloudy. Chance of snow showers and showers in the morning, then slight chance of showers and snow showers in the afternoon. Highs in the upper 40s. $$ WYZ300-131200- Casper Mountain- 347 AM MDT Sun Oct 12 2025 .TODAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....44-49. 24 hr trend......10 degrees cooler. Min humidity........30-36 percent. 24 hr trend......45 percent drier. 20-foot winds.......Windy. West winds 25 to 30 mph. Gusts up to 50 mph until 1200, then 40 mph. Ridge top winds.....West 30 to 35 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 35 mph. Mixing Height.......2000-4000 ft agl until 1200, then 5000-7000 ft agl. Smoke dispersal.....Good to very good until 1200, then excellent. .TONIGHT... Sky/weather.........Clear. Chance of thunder...0 percent. Min temperature.....30-35. 24 hr trend......3 degrees cooler. Max humidity........56-62 percent. 24 hr trend......28 percent drier. Humidity recovery...Moderate. 20-foot winds.......Southwest winds 10 to 15 mph until 2400, then south. Gusts up to 30 mph. Ridge top winds.....Southwest around 15 mph until 2400, then south. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 15 mph until 2400, then south. Mixing Height.......1200-3200 ft agl until 2400, then 200-600 ft agl. Smoke dispersal.....Poor. .COLUMBUS DAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....54-59. 24 hr trend......11 degrees warmer. Min humidity........35-41 percent. 24 hr trend......2 percent wetter. 20-foot winds.......Southeast winds around 15 mph. Gusts up to 35 mph until 1200, then 25 mph. Ridge top winds.....Southeast around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....South 20 to 25 mph. Mixing Height.......200-2000 ft agl until 1200, then 2200-4200 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .MONDAY NIGHT...Partly cloudy with slight chance of showers. Lows in the upper 30s. Southeast winds around 15 mph. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the lower 60s. South winds around 10 mph. .WEDNESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the mid 30s. Highs around 60. Southwest winds around 10 mph. .THURSDAY...Cooler. Partly cloudy with chance of showers and snow showers. Lows in the lower 30s. Highs in the mid 40s. West winds around 15 mph. .FRIDAY THROUGH SATURDAY...Partly cloudy with chance of snow showers and showers. Lows around 30. Highs 43 to 48. $$