Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
941
FNUS55 KRIW 191230
FWFRIW
Fire Weather Planning Forecast for Western and Central Wyoming
National Weather Service Riverton WY
529 AM MST Sun Jan 19 2025
.DISCUSSION...
***This product is currently automated with no discussion
and will not be refreshed with all forecast updates. It should
be used for planning purposes only. If you need additional fire
weather information, please contact the NWS office in Riverton,
Wyoming. The human written discussion section along with the fire
weather forecast will resume regular operations sometime in
Spring 2025.***
---Thunderstorms imply strong gusty and erratic winds---
---Haines Index is high level Haines both day and night---
WYZ280-192300-
Natrona County/Casper BLM-
Including the cities of Casper and Midwest
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow showers
late in the afternoon. Chance of snow 20
percent.
Max temperature.....7-12.
24 hr trend......1 degree warmer.
Min humidity........63-69 percent.
24 hr trend......6 percent wetter.
20-foot winds.......West winds 10 to 15 mph until 1500, then
northwest. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph until 1400, then
northwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1600, then northwest.
Mixing Height.......1200-3200 ft agl until 1700, then 800-1000 ft
agl.
Smoke dispersal.....Poor to fair.
Haines Index........2.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of snow showers
early in the evening. Chance of snow 20
percent.
Min temperature.....16 below-21 below zero.
24 hr trend......3 degrees cooler.
Max humidity........81-87 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North 10 to 15 mph until 0500, then west.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......400-1400 ft agl.
Smoke dispersal.....Poor.
Haines Index........3.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Mostly sunny.
Max temperature.....5 below-zero.
24 hr trend......13 degrees cooler.
Min humidity........52-58 percent.
24 hr trend......11 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
10 to 15 mph with higher gusts.
Ridge top winds.....West 10 to 15 mph until 1300, then 15 to 20
mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 1300, then 15 to 20
mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows around 10 below. Southwest
winds around 15 mph.
.TUESDAY THROUGH WEDNESDAY...Not as cold. Partly cloudy. Lows
around 6. Highs in the lower 20s. West winds around 15 mph.
.THURSDAY...Partly cloudy. Lows around 13. Highs in the mid 20s.
Southwest winds around 15 mph.
.FRIDAY...Mostly cloudy. Chance of snow showers. Lows around 11.
Highs in the lower 30s.
.SATURDAY...Cloudy with chance of snow showers. Highs in the
lower 20s.
$$
WYZ283-192300-
Upper Wind River Basin/Wind River Basin-
Including the cities of Crowheart, Lander, Riverton, and Shoshoni
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow showers
late in the afternoon. Chance of snow 20
percent.
Max temperature.....4-9.
24 hr trend......6 degrees cooler.
Min humidity........61-67 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....East around 10 mph until 0700, then north until
0900, then west until 1000, then south until
1100, then southeast until 1200, then
northeast.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1200. North after
1300.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
Haines Index........2.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of snow showers early in
the evening. Slight chance of snow showers late
in the evening. Chance of snow 50 percent.
Min temperature.....14 below-19 below zero.
24 hr trend......3 degrees cooler.
Max humidity........79-85 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
north around 10 mph. Gusts up to 15 mph.
Ridge top winds.....North 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......600-1200 ft agl.
Smoke dispersal.....Poor.
Haines Index........2.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Mostly sunny.
Max temperature.....3 below to 2 above zero.
24 hr trend......8 degrees cooler.
Min humidity........52-58 percent.
24 hr trend......4 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 10 mph.
Ridge top winds.....Northwest around 10 mph until 1000. South after
1300.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph until 1300. South after
1700.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows around 16 below. Southwest
winds around 10 mph.
.TUESDAY...Not as cold. Partly cloudy. Lows near zero. Highs in
the lower 20s. Southwest winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows near zero. Highs in the lower
20s. Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows around 7. Highs in the mid 20s.
Southwest winds around 10 mph.
.FRIDAY...Partly cloudy. Chance of snow showers. Lows around 8.
Highs in the upper 20s.
.SATURDAY...Mostly cloudy with chance of snow showers. Highs in
the lower 20s.
$$
WYZ285-192300-
South Bighorn Mountains-
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy.
Slight chance of snow showers in the afternoon.
Chance of snow 20 percent.
Max temperature.....3-8.
24 hr trend......Unchanged.
Min humidity........60-66 percent.
24 hr trend......Unchanged.
20-foot winds.......West winds 10 to 15 mph until 1500, then
northwest. Gusts up to 20 mph.
Ridge top winds.....West 15 to 20 mph until 1600, then northwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1500, then northwest.
Mixing Height.......200-2200 ft agl.
Smoke dispersal.....Poor.
Haines Index........2.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of snow showers
early in the evening, then chance of snow
showers early in the evening. Slight chance of
snow showers late in the evening. Chance of
snow 50 percent.
Min temperature.....16 below-21 below zero.
24 hr trend......9 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 10 to 15 mph. Gusts up to 15
mph until 2100, then 25 mph.
Ridge top winds.....Northwest 15 to 20 mph.
LAL.................1.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......200-800 ft agl.
Smoke dispersal.....Poor.
Haines Index........3.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Mostly sunny.
Max temperature.....4 below-9 below zero.
24 hr trend......12 degrees cooler.
Min humidity........46-52 percent.
24 hr trend......19 percent drier.
20-foot winds.......West winds around 15 mph with gusts to around
25 mph.
Ridge top winds.....West 15 to 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......200-1400 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows around 11 below. Southwest
winds around 15 mph.
.TUESDAY...Not as cold. Partly cloudy. Lows around 8. Highs in
the lower 20s. West winds around 15 mph.
.WEDNESDAY...Partly cloudy with slight chance of snow showers.
Lows around 7. Highs around 17. West winds around 15 mph.
.THURSDAY...Mostly clear. Lows around 14. Highs in the mid 20s.
West winds around 15 mph.
.FRIDAY...Mostly cloudy. Chance of snow showers. Lows around 11.
Highs in the upper 20s.
.SATURDAY...Colder. Mostly cloudy with chance of snow showers.
Highs around 18.
$$
WYZ281-192300-
Johnson County/Casper BLM-
Including the cities of Buffalo and Kaycee
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow showers
late in the morning. Chance of snow 20 percent.
Max temperature.....6-11.
24 hr trend......2 degrees cooler.
Min humidity........61-67 percent.
24 hr trend......1 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north
10 to 15 mph with higher gusts.
Ridge top winds.....Southwest around 10 mph until 1100, then north
until 1600, then around 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest around 10 mph until 1100, then
northwest until 1400, then north around 20 mph.
Mixing Height.......600-2600 ft agl until 1300, then 1200-3000 ft
agl.
Smoke dispersal.....Poor to fair.
Haines Index........3.
.TONIGHT...
Sky/weather.........Partly cloudy.
Min temperature.....16 below-21 below zero.
24 hr trend......3 degrees cooler.
Max humidity........75-81 percent.
24 hr trend......6 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds 10 to 15 mph and gusty.
Ridge top winds.....North 15 to 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North 15 to 20 mph.
Mixing Height.......600-1400 ft agl.
Smoke dispersal.....Poor.
Haines Index........3.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Sunny.
Max temperature.....4 below to 1 above zero.
24 hr trend......10 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......15 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....West 10 to 15 mph until 1600, then southwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph until 1600, then
southwest 10 to 15 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows around 10 below. Southwest
winds around 10 mph.
.TUESDAY...Not as cold. Partly cloudy. Lows around 9. Highs
around 30. West winds around 10 mph.
.WEDNESDAY...Partly cloudy with slight chance of snow showers.
Lows around 7. Highs in the upper 20s. Northwest winds around
10 mph.
.THURSDAY...Partly cloudy. Lows around 14. Highs around 30.
Southwest winds around 10 mph.
.FRIDAY...Mostly cloudy. Chance of snow showers. Lows around 12.
Highs in the mid 30s.
.SATURDAY...Colder. Mostly cloudy with chance of snow showers.
Highs in the mid 20s.
$$
WYZ282-192300-
South Bighorn Basin/Worland BLM-
Including the cities of Ten Sleep, Thermopolis, and Worland
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow showers late in the
afternoon. Chance of snow showers late in the
afternoon. Chance of snow 40 percent.
Max temperature.....5-10.
24 hr trend......4 degrees cooler.
Min humidity........65-71 percent.
24 hr trend......14 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....South 5 to 10 mph until 1200, then north until
1700, then northwest around 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....South 5 to 10 mph until 1100, then southwest
until 1200, then northwest 10 to 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
Haines Index........2.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of snow showers
early in the evening. Chance of snow 20
percent.
Min temperature.....16 below-21 below zero.
24 hr trend......6 degrees cooler.
Max humidity........80-86 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds 10 to 15 mph with gusts to
around 25 mph.
Ridge top winds.....Northwest 15 to 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......600-1600 ft agl.
Smoke dispersal.....Poor.
Haines Index........3.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Mostly sunny.
Max temperature.....5 below-zero.
24 hr trend......9 degrees cooler.
Min humidity........46-52 percent.
24 hr trend......14 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 10 mph.
Ridge top winds.....West 10 to 15 mph until 1500, then southeast.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph until 1600, then
southeast.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows around 12 below. Winds
generally less than 10 mph.
.TUESDAY...Not as cold. Partly cloudy. Lows around 4. Highs in
the lower 20s. Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Lows around 3. Highs in the mid 20s.
Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Lows around 10. Highs in the upper 20s.
Winds generally less than 10 mph.
.FRIDAY...Mostly cloudy. Chance of snow showers. Lows around 11.
Highs in the lower 30s.
.SATURDAY...Mostly cloudy with chance of snow showers. Highs in
the mid 20s.
$$
WYZ275-192300-
North Bighorn Basin/Worland BLM-
Including the cities of Greybull, Lovell, and Powell
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow showers
early in the morning. Chance of snow 20
percent.
Max temperature.....3-8.
24 hr trend......4 degrees cooler.
Min humidity........62-68 percent.
24 hr trend......18 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph and gusty.
Ridge top winds.....Southeast 5 to 10 mph until 1200, then north 10
to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southeast 5 to 10 mph until 1200, then north 10
to 15 mph.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
Haines Index........2.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming clear.
Min temperature.....16 below-21 below zero.
24 hr trend......7 degrees cooler.
Max humidity........74-80 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds 15 to 20 mph until 0300, then
northwest around 10 mph. Gusts up to 25 mph
until 0300, then 15 mph.
Ridge top winds.....North 20 to 25 mph until 0300, then northwest
around 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North 20 to 25 mph until 0300, then northwest
around 15 mph.
Mixing Height.......400-1200 ft agl.
Smoke dispersal.....Poor.
Haines Index........3.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Sunny.
Max temperature.....1 below-6 below zero.
24 hr trend......9 degrees cooler.
Min humidity........45-51 percent.
24 hr trend......14 percent drier.
20-foot winds.......Northwest winds around 10 mph until 0900, then
upslope/upvalley 5-9 mph.
Ridge top winds.....Northwest 10 to 15 mph until 1200, then
southeast.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph until 1300, then
southeast.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows around 11 below. Southeast
winds around 10 mph.
.TUESDAY...Not as cold. Partly cloudy. Lows around 5. Highs in
the lower 20s. Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy with chance of snow showers. Lows
around 5. Highs in the mid 20s. Winds generally less than 10 mph.
.THURSDAY...Partly cloudy. Lows around 11. Highs in the upper
20s. Winds generally less than 10 mph.
.FRIDAY...Mostly cloudy with chance of snow showers. Lows around
11. Highs in the lower 30s.
.SATURDAY...Mostly cloudy. Chance of snow showers in the morning,
then slight chance of snow showers in the afternoon. Highs in the
mid 20s.
$$
WYZ276-192300-
Cody Foothills-
Including the cities of Clark, Cody, and Meeteetse
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow showers
early in the afternoon. Chance of snow showers
early in the afternoon. Chance of snow 50
percent.
Max temperature.....7-12.
24 hr trend......2 degrees cooler.
Min humidity........61-67 percent.
24 hr trend......5 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West around 10 mph until 1000, then north.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 1000, then north until
1600, then 15 to 20 mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
Haines Index........2.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming clear. Slight
chance of snow showers early in the evening.
Chance of snow 20 percent.
Min temperature.....13 below-18 below zero.
24 hr trend......9 degrees cooler.
Max humidity........76-82 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds 10 to 15 mph and gusty until 0300,
then downslope/downvalley 4-7 mph.
Ridge top winds.....North 15 to 20 mph until 0200, then west around
10 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North 15 to 20 mph until 0200, then northwest
around 10 mph.
Mixing Height.......600-2000 ft agl.
Smoke dispersal.....Poor.
Haines Index........3.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Sunny.
Max temperature.....2-7.
24 hr trend......6 degrees cooler.
Min humidity........39-45 percent.
24 hr trend......16 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then south
around 10 mph.
Ridge top winds.....Southwest around 10 mph until 1000. Southeast
after 1300.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 10 mph until 1300, then south.
Mixing Height.......400-2200 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Not as cold. Mostly clear. Lows around 5 below.
Southwest winds around 15 mph.
.TUESDAY THROUGH WEDNESDAY...Not as cold. Partly cloudy. Lows
around 10. Highs in the upper 20s. West winds 10 to 15 mph.
.THURSDAY...Partly cloudy. Lows around 18. Highs in the lower
30s. Southwest winds around 15 mph.
.FRIDAY...Mostly cloudy with chance of snow showers. Lows around
13. Highs in the mid 30s.
.SATURDAY...Colder. Mostly cloudy with slight chance of snow
showers. Highs in the lower 20s.
$$
WYZ287-192300-
Owl Creek Mountains-
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Mostly sunny then becoming partly cloudy then
becoming mostly cloudy. Slight chance of snow
showers early in the afternoon. Chance of snow
showers late in the afternoon. Chance of snow
50 percent.
Max temperature.....4-9.
24 hr trend......1 degree cooler.
Min humidity........58-64 percent.
24 hr trend......2 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north
around 10 mph and gusty.
Ridge top winds.....West around 10 mph until 1000. Northeast after
1100.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Southwest 5 to 10 mph until 1100, then north 10
to 15 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
Haines Index........2.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers early in the evening,
then slight chance of snow showers in the
evening. Chance of snow 40 percent.
Min temperature.....15 below-20 below zero.
24 hr trend......9 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds 15 to 20 mph until 0300, then
northwest around 10 mph. Gusts up to 30 mph
until 0300, then 15 mph.
Ridge top winds.....North 15 to 20 mph until 2000. Northwest after
0400.
LAL.................1.
Chc of wetting rain.Less than 5 percent.
Transport winds.....North 15 to 20 mph until 2000. Around 15 mph
after 0400.
Mixing Height.......200-2000 ft agl.
Smoke dispersal.....Poor.
Haines Index........2.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Sunny.
Max temperature.....1 below-6 below zero.
24 hr trend......9 degrees cooler.
Min humidity........50-56 percent.
24 hr trend......7 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....West 10 to 15 mph until 1100. South after 1300.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph until 1500, then
southwest.
Mixing Height.......200-1800 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows around 9 below. Southwest
winds around 10 mph.
.TUESDAY THROUGH WEDNESDAY...Not as cold. Partly cloudy. Lows
around 7. Highs in the mid 20s. West winds around 10 mph.
.THURSDAY...Mostly clear. Lows around 15. Highs in the upper 20s.
Southwest winds around 10 mph.
.FRIDAY...Mostly cloudy. Chance of snow showers. Lows around 13.
Highs around 30.
.SATURDAY...Colder. Mostly cloudy with chance of snow showers.
Highs around 20.
$$
WYZ286-192300-
Absaroka Mountains/North Shoshone NF-
Including the city of Pahaska
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow showers in
the late morning and early afternoon. Chance of
snow showers early in the afternoon. Chance of
snow 50 percent.
Max temperature.....4-9.
24 hr trend......Unchanged.
Min humidity........53-59 percent.
24 hr trend......10 percent wetter.
20-foot winds.......Northwest winds 10 to 15 mph with higher gusts.
Ridge top winds.....Northwest 15 to 20 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph.
Mixing Height.......600-2600 ft agl until 1200, then 2400-4400 ft
agl until 1700, then 800-1600 ft agl.
Smoke dispersal.....Poor to fair.
Haines Index........2.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of snow showers
early in the evening. Chance of snow 20
percent.
Min temperature.....20 below-25 below zero.
24 hr trend......13 degrees cooler.
Max humidity........74-80 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph.
Ridge top winds.....Northwest 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......400-1200 ft agl.
Smoke dispersal.....Poor.
Haines Index........3.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Mostly sunny.
Max temperature.....1 below to 4 above zero.
24 hr trend......7 degrees cooler.
Min humidity........36-42 percent.
24 hr trend......18 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph with higher gusts.
Ridge top winds.....West 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Not as cold. Mostly clear. Lows around 8 below.
West winds around 20 mph.
.TUESDAY THROUGH WEDNESDAY...Partly cloudy. Lows 2 to 7. Highs
17 to 22. West winds 15 to 20 mph.
.THURSDAY...Mostly clear. Slight chance of snow showers. Lows
around 13. Highs in the mid 20s. West winds around 15 mph.
.FRIDAY...Partly cloudy. Chance of snow showers. Lows around 7.
Highs in the mid 20s.
.SATURDAY...Colder. Mostly cloudy with chance of snow showers.
Highs around 15.
$$
WYZ140-192300-
Yellowstone National Park-
Including the cities of Lake, Mammoth, and Old Faithful
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Slight chance of snow showers until late
afternoon. Chance of snow showers early in the
afternoon, then slight chance of snow showers
late in the afternoon. Chance of snow 50
percent.
Max temperature.....6-11.
24 hr trend......Unchanged.
Min humidity........63-69 percent.
24 hr trend......15 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....West 10 to 15 mph until 1400, then northwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 1400, then northwest.
Mixing Height.......800-2800 ft agl until 1300, then 2800-4200 ft
agl until 1700, then 1000-1600 ft agl.
Smoke dispersal.....Poor to fair.
Haines Index........2.
.TONIGHT...
Sky/weather.........Mostly clear.
Min temperature.....22 below-27 below zero.
24 hr trend......15 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......6 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Sunny.
Max temperature.....2 below to 3 above zero.
24 hr trend......8 degrees cooler.
Min humidity........39-45 percent.
24 hr trend......26 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....North around 10 mph until 1400, then west.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North around 10 mph until 1600, then west.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Not as cold. Mostly clear. Lows around 14 below.
Winds generally less than 10 mph.
.TUESDAY...Partly cloudy. Lows around 6 below. Highs around 11.
Winds generally less than 10 mph.
.WEDNESDAY...Partly cloudy. Lows around 4 below. Highs around 18.
Winds generally less than 10 mph.
.THURSDAY...Partly cloudy with slight chance of snow showers.
Lows around 5. Highs in the lower 20s. Winds generally less than
10 mph.
.FRIDAY THROUGH SATURDAY...Mostly cloudy with chance of snow
showers. Lows around 3. Highs 17 to 22.
$$
WYZ415-192300-
North Zone Bridger Teton NF and Grand Teton NP-
Including the cities of Jackson and Moran
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy then
becoming partly cloudy. Slight chance of snow
showers in the morning. Chance of snow showers
early in the afternoon, then slight chance of
snow showers late in the afternoon. Chance of
snow 50 percent.
Max temperature.....6-11.
24 hr trend......Unchanged.
Min humidity........66-72 percent.
24 hr trend......19 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph and gusty.
Ridge top winds.....West 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 1700, then northwest.
Mixing Height.......800-2800 ft agl until 1300, then 2400-3800 ft
agl until 1700, then 800-1400 ft agl.
Smoke dispersal.....Poor.
Haines Index........2.
.TONIGHT...
Sky/weather.........Mostly clear. Slight chance of snow showers
early in the evening. Chance of snow 20
percent.
Min temperature.....22 below-27 below zero.
24 hr trend......14 degrees cooler.
Max humidity........75-81 percent.
24 hr trend......4 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph.
Ridge top winds.....North 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Sunny.
Max temperature.....3 below to 2 above zero.
24 hr trend......9 degrees cooler.
Min humidity........39-45 percent.
24 hr trend......24 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....North around 10 mph until 1600, then northwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph until 1700, then northwest.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows around 15 below. Winds
generally less than 10 mph.
.TUESDAY...Not as cold. Partly cloudy. Lows around 5 below. Highs
around 13. Winds generally less than 10 mph.
.WEDNESDAY...Mostly clear. Lows around 3 below. Highs around 17.
Winds generally less than 10 mph.
.THURSDAY...Mostly clear. Slight chance of snow showers. Lows
around 5. Highs in the lower 20s. Winds generally less than
10 mph.
.FRIDAY THROUGH SATURDAY...Mostly cloudy with chance of snow
showers. Lows around 6. Highs 19 to 24.
$$
WYZ416-192300-
West Wind River Mountains/East Zone Bridger Teton NF-
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow showers in
the afternoon. Chance of snow 20 percent.
Max temperature.....5-10.
24 hr trend......1 degree warmer.
Min humidity........57-63 percent.
24 hr trend......14 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......1400-3400 ft agl until 1700, then 600-1200 ft
agl.
Smoke dispersal.....Poor.
Haines Index........2.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of snow showers early in
the evening. Slight chance of snow showers late
in the evening. Chance of snow 50 percent.
Min temperature.....22 below-27 below zero.
24 hr trend......11 degrees cooler.
Max humidity........74-80 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph with gusts to around
15 mph.
Ridge top winds.....North around 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph.
Mixing Height.......400-800 ft agl.
Smoke dispersal.....Poor.
Haines Index........3.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Mostly sunny.
Max temperature.....3 below to 2 above zero.
24 hr trend......9 degrees cooler.
Min humidity........44-50 percent.
24 hr trend......19 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west
around 10 mph until 1500, then upslope/upvalley
5-9 mph.
Ridge top winds.....North 10 to 15 mph until 1100, then northwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Not as cold. Mostly clear. Lows around 14 below.
Northwest winds around 10 mph.
.TUESDAY...Not as cold. Partly cloudy. Lows around 3 below. Highs
around 17. West winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows around 2 below. Highs around 16.
Northwest winds around 10 mph.
.THURSDAY...Mostly clear. Lows around 6. Highs in the lower 20s.
Northwest winds around 10 mph.
.FRIDAY...Partly cloudy. Chance of snow showers. Lows around 5.
Highs in the lower 20s.
.SATURDAY...Mostly cloudy with chance of snow showers. Highs
around 17.
$$
WYZ288-192300-
East Wind River Mountains/South Shoshone NF-
Including the cities of Dubois and South Pass
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow showers
early in the afternoon. Chance of snow showers
late in the afternoon. Chance of snow 50
percent.
Max temperature.....4-9.
24 hr trend......Unchanged.
Min humidity........58-64 percent.
24 hr trend......3 percent wetter.
20-foot winds.......West winds around 10 mph with higher gusts
until 1200, then north with higher gusts.
Ridge top winds.....West around 15 mph until 1300, then north.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 15 to 20 mph until 1600, then north
10 to 15 mph.
Mixing Height.......1200-3200 ft agl until 1700, then 800-1200 ft
agl.
Smoke dispersal.....Poor.
Haines Index........2.
.TONIGHT...
Sky/weather.........Partly cloudy. Chance of snow showers in the
evening. Slight chance of snow showers after
midnight. Chance of snow 50 percent.
Min temperature.....22 below-27 below zero.
24 hr trend......11 degrees cooler.
Max humidity........75-81 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......Downslope/downvalley 4-7 mph until 2100, then
northwest around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northeast 10 to 15 mph until 0200, then
northwest.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
Haines Index........3.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Mostly sunny.
Max temperature.....5 below-zero.
24 hr trend......8 degrees cooler.
Min humidity........47-53 percent.
24 hr trend......11 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west
around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Not as cold. Mostly clear. Lows around 10 below.
West winds around 15 mph.
.TUESDAY...Not as cold. Partly cloudy. Lows around 3. Highs in
the lower 20s. West winds around 15 mph.
.WEDNESDAY...Mostly clear. Lows around 3. Highs around 18. West
winds around 10 mph.
.THURSDAY...Mostly clear. Lows around 13. Highs in the mid 20s.
West winds around 15 mph.
.FRIDAY...Partly cloudy with chance of snow showers. Lows around
8. Highs in the upper 20s.
.SATURDAY...Colder. Mostly cloudy with chance of snow showers.
Highs around 16.
$$
WYZ414-192300-
Salt and Wyoming Ranges/West Zone Bridger Teton NF-
Including the city of Afton
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow showers
early in the morning. Chance of snow showers
until late afternoon, then slight chance of
snow showers late in the afternoon. Chance of
snow 50 percent.
Max temperature.....6-11.
24 hr trend......1 degree cooler.
Min humidity........67-73 percent.
24 hr trend......19 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then
northwest around 10 mph with higher gusts.
Ridge top winds.....West 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......1200-3200 ft agl.
Smoke dispersal.....Poor to fair.
Haines Index........2.
.TONIGHT...
Sky/weather.........Partly cloudy then becoming clear.
Min temperature.....17 below-22 below zero.
24 hr trend......11 degrees cooler.
Max humidity........76-82 percent.
24 hr trend......2 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2100, then
downslope/downvalley 4-7 mph.
Ridge top winds.....North 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Sunny.
Max temperature.....1 below to 4 above zero.
24 hr trend......8 degrees cooler.
Min humidity........41-47 percent.
24 hr trend......25 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Clear. Lows around 12 below. West winds around
10 mph.
.TUESDAY...Not as cold. Partly cloudy. Lows around 2 below. Highs
around 16. West winds around 10 mph.
.WEDNESDAY...Mostly clear. Lows near zero. Highs around 18.
Northwest winds around 10 mph.
.THURSDAY...Mostly clear. Lows around 7. Highs in the mid 20s.
West winds around 10 mph.
.FRIDAY...Partly cloudy. Chance of snow showers. Lows around 9.
Highs in the mid 20s.
.SATURDAY...Mostly cloudy with chance of snow showers. Highs in
the lower 20s.
$$
WYZ278-192300-
Upper Green River Basin/Rock Springs BLM-
Including the cities of Big Piney, Farson, and Pinedale
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow showers
late in the afternoon. Chance of snow 20
percent.
Max temperature.....8-13.
24 hr trend......Unchanged.
Min humidity........62-68 percent.
24 hr trend......17 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then
northwest around 10 mph. Gusts up to 15 mph.
Ridge top winds.....Northwest 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
Haines Index........2.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of snow showers
early in the evening. Chance of snow 20
percent.
Min temperature.....17 below-22 below zero.
24 hr trend......7 degrees cooler.
Max humidity........73-79 percent.
24 hr trend......Unchanged.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph until 0300, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....North 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North around 15 mph until 2200, then northeast.
Mixing Height.......400-800 ft agl.
Smoke dispersal.....Poor.
Haines Index........3.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Mostly sunny.
Max temperature.....1 below to 4 above zero.
24 hr trend......11 degrees cooler.
Min humidity........48-54 percent.
24 hr trend......6 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....North around 10 mph until 1000, then south
until 1300, then west.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 10 mph until 1000, then west.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows around 16 below. Winds
generally less than 10 mph.
.TUESDAY...Not as cold. Partly cloudy. Lows around 6 below. Highs
around 19. Northwest winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows 1 below to
6 below zero. Highs 21 to 26. Northwest winds around 10 mph.
.FRIDAY...Partly cloudy with chance of snow showers. Lows around
4. Highs in the upper 20s.
.SATURDAY...Mostly cloudy with chance of snow showers. Highs in
the lower 20s.
$$
WYZ277-192300-
Lincoln and Uinta Counties/Lower Elevations-
Including the cities of Evanston, Fort Bridger, and Kemmerer
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Partly cloudy. Slight chance of snow showers
late in the afternoon. Chance of snow 20
percent.
Max temperature.....10-15.
24 hr trend......Unchanged.
Min humidity........65-71 percent.
24 hr trend......24 percent wetter.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
around 10 mph with higher gusts.
Ridge top winds.....West 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 1300, then 15 to 20
mph.
Mixing Height.......800-2800 ft agl.
Smoke dispersal.....Poor.
Haines Index........2.
.TONIGHT...
Sky/weather.........Partly cloudy. Slight chance of snow showers
early in the evening. Chance of snow 20
percent.
Min temperature.....11 below-16 below zero.
24 hr trend......6 degrees cooler.
Max humidity........78-84 percent.
24 hr trend......3 percent drier.
Humidity recovery...Excellent.
20-foot winds.......Northwest winds around 10 mph until 2400, then
downslope/downvalley 4-7 mph. Gusts up to 15
mph.
Ridge top winds.....Northwest 10 to 15 mph until 0100, then
northeast.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest 10 to 15 mph until 2400, then
northeast.
Mixing Height.......400-800 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Mostly sunny.
Max temperature.....1-6.
24 hr trend......10 degrees cooler.
Min humidity........47-53 percent.
24 hr trend......14 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph.
Ridge top winds.....Northeast around 10 mph until 1000, then
southeast until 1300, then west.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....East around 10 mph until 1300, then northwest.
Mixing Height.......400-2000 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows around 10 below. West winds
around 10 mph.
.TUESDAY...Not as cold. Partly cloudy. Lows around 1 below. Highs
around 18. West winds around 10 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows zero to 5 above.
Highs 20 to 25. West winds around 10 mph.
.FRIDAY...Partly cloudy with slight chance of snow showers. Lows
around 9. Highs in the upper 20s.
.SATURDAY...Mostly cloudy with chance of snow showers. Highs in
the mid 20s.
$$
WYZ279-192300-
Sweetwater County/Rock Springs BLM/Flaming Gorge NRA-
Including the cities of Green River, Rock Springs, and Wamsutter
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow showers in the late
morning and afternoon. Chance of snow 20
percent.
Max temperature.....13-18.
24 hr trend......3 degrees warmer.
Min humidity........68-74 percent.
24 hr trend......16 percent wetter.
20-foot winds.......West winds 10 to 15 mph with higher gusts.
Ridge top winds.....West 15 to 20 mph until 1700, then northwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph.
Mixing Height.......600-2600 ft agl until 1300, then 1400-3400 ft
agl.
Smoke dispersal.....Poor to fair.
Haines Index........2.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers early in the evening.
Slight chance of snow showers late in the
evening. Chance of snow 50 percent.
Min temperature.....7 below-12 below zero.
24 hr trend......1 degree cooler.
Max humidity........84-90 percent.
24 hr trend......1 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds 10 to 15 mph until 2400, then
northeast. Gusts up to 20 mph.
Ridge top winds.....Northwest around 15 mph until 2200, then
northeast.
LAL.................1.
Chc of wetting rain.Less than 5 percent.
Transport winds.....Northwest around 15 mph until 2200, then
northeast.
Mixing Height.......600-1200 ft agl.
Smoke dispersal.....Poor.
Haines Index........2.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Mostly sunny.
Max temperature.....Zero to 5 above zero.
24 hr trend......13 degrees cooler.
Min humidity........53-59 percent.
24 hr trend......13 percent drier.
20-foot winds.......Northeast winds around 10 mph until 1500, then
upslope/upvalley 5-9 mph. Gusts up to 15 mph.
Ridge top winds.....Northeast around 15 mph until 1500, then
northwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northeast around 15 mph until 1400. West after
1700.
Mixing Height.......600-2600 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows around 12 below. Southwest
winds around 10 mph.
.TUESDAY...Not as cold. Partly cloudy. Lows around 2. Highs
around 20. West winds around 15 mph.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Lows 2 to 7. Highs
21 to 26. Southwest winds around 10 mph.
.FRIDAY...Partly cloudy. Slight chance of snow showers. Lows
around 9. Highs in the lower 30s.
.SATURDAY...Mostly cloudy. Slight chance of snow showers in the
morning, then chance of snow showers in the afternoon. Highs in
the mid 20s.
$$
WYZ289-192300-
Granite/Green/Ferris/Rattlesnake Mountains-
Including the city of Jeffrey City
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow showers late in the
afternoon. Chance of snow showers late in the
afternoon. Chance of snow 50 percent.
Max temperature.....6-11.
24 hr trend......2 degrees warmer.
Min humidity........63-69 percent.
24 hr trend......6 percent wetter.
20-foot winds.......Southwest winds around 10 mph until 1500, then
northwest. Gusts up to 15 mph.
Ridge top winds.....Southwest around 15 mph until 1500, then
northwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West around 15 mph until 1500, then northwest.
Mixing Height.......400-2400 ft agl.
Smoke dispersal.....Poor.
Haines Index........2.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers early in the evening.
Slight chance of snow showers late in the
evening. Chance of snow 50 percent.
Min temperature.....14 below-19 below zero.
24 hr trend......1 degree cooler.
Max humidity........81-87 percent.
24 hr trend......1 percent drier.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph and gusty.
Ridge top winds.....North around 15 mph.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....North 15 to 20 mph.
Mixing Height.......400-1000 ft agl.
Smoke dispersal.....Poor.
Haines Index........2.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Mostly sunny.
Max temperature.....2 below-7 below zero.
24 hr trend......13 degrees cooler.
Min humidity........58-64 percent.
24 hr trend......11 percent drier.
20-foot winds.......Northwest winds around 10 mph until 1500, then
west. Gusts up to 15 mph.
Ridge top winds.....North around 15 mph until 1300, then west.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....Northwest around 15 mph until 1500, then west.
Mixing Height.......200-2000 ft agl.
Smoke dispersal.....Poor.
Haines Index........4.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows around 14 below. Southwest
winds around 10 mph.
.TUESDAY...Not as cold. Partly cloudy. Lows around 1. Highs
around 18. Southwest winds around 15 mph.
.WEDNESDAY...Mostly clear. Lows near zero. Highs around 20. West
winds around 10 mph.
.THURSDAY...Mostly clear. Lows around 9. Highs in the lower 20s.
Southwest winds around 15 mph.
.FRIDAY...Partly cloudy. Chance of snow showers. Lows around 9.
Highs in the upper 20s.
.SATURDAY...Mostly cloudy with chance of snow showers. Highs
around 20.
$$
WYZ300-192300-
Casper Mountain-
529 AM MST Sun Jan 19 2025
.TODAY...
Sky/weather.........Partly cloudy then becoming mostly cloudy.
Slight chance of snow showers late in the
afternoon. Chance of snow showers late in the
afternoon. Chance of snow 50 percent.
Max temperature.....3-8.
24 hr trend......2 degrees warmer.
Min humidity........67-73 percent.
24 hr trend......Unchanged.
20-foot winds.......Southwest winds around 10 mph until 1500, then
northwest. Gusts up to 20 mph.
Ridge top winds.....Southwest around 15 mph until 1500, then
northwest.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 15 to 20 mph until 1400. Northwest after
1700.
Mixing Height.......400-2400 ft agl until 1400, then 2000-3000 ft
agl until 1700, then 600-1000 ft agl.
Smoke dispersal.....Poor to fair.
Haines Index........2.
.TONIGHT...
Sky/weather.........Mostly cloudy then becoming partly cloudy.
Chance of snow showers early in the evening,
then slight chance of snow showers late in the
evening. Chance of snow 50 percent.
Min temperature.....17 below-22 below zero.
24 hr trend......3 degrees cooler.
Max humidity........82-88 percent.
24 hr trend......2 percent wetter.
Humidity recovery...Excellent.
20-foot winds.......North winds around 10 mph with gusts to around
15 mph until 2400, then downslope/downvalley
4-7 mph.
Ridge top winds.....North 10 to 15 mph.
LAL.................1.
Chc of wetting rain.Less than 5 percent.
Transport winds.....North 10 to 15 mph.
Mixing Height.......200-1200 ft agl.
Smoke dispersal.....Poor.
Haines Index........2.
.MARTIN LUTHER KING JR DAY...
Sky/weather.........Sunny.
Max temperature.....5 below-10 below zero.
24 hr trend......14 degrees cooler.
Min humidity........55-61 percent.
24 hr trend......8 percent drier.
20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then west
around 10 mph with higher gusts.
Ridge top winds.....Northwest around 10 mph until 0800. West 15 to
20 mph after 1400.
LAL.................1.
Chc of wetting rain.Zero percent.
Transport winds.....West 10 to 15 mph until 1400, then 15 to 20
mph.
Mixing Height.......200-2000 ft agl.
Smoke dispersal.....Poor.
Haines Index........3.
.Forecast days 3 through 7......
.MONDAY NIGHT...Mostly clear. Lows around 14 below. Southwest
winds around 15 mph.
.TUESDAY...Not as cold. Mostly cloudy. Lows around 5. Highs
around 15. Southwest winds around 15 mph.
.WEDNESDAY...Partly cloudy. Lows around 4. Highs around 17. West
winds around 10 mph.
.THURSDAY...Partly cloudy. Lows around 12. Highs around 20.
Southwest winds around 15 mph.
.FRIDAY...Mostly cloudy. Chance of snow showers. Lows around 11.
Highs in the mid 20s.
.SATURDAY...Cloudy with chance of snow showers. Highs around 19.
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