Zone Forecast Product
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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927 FPUS55 KRIW 181204 ZFPRIW Zone Forecast Product for Western and Central Wyoming National Weather Service Riverton WY 602 AM MDT Sat Oct 18 2025 WYZ020-182200- Natrona County Lower Elevations- Including the city of Casper 602 AM MDT Sat Oct 18 2025 .TODAY...Mostly cloudy with snow and rain showers likely this morning, then sunny this afternoon. Snow accumulation up to 1 inch. Highs in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 60 percent. .TONIGHT...Mostly clear and breezy. Lows in the lower 30s. Southwest winds around 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 35 mph after midnight. .SUNDAY...Mostly sunny and windy. Not as cool with highs in the mid 60s. Southwest winds 20 to 30 mph with gusts up to 50 mph. .SUNDAY NIGHT...Partly cloudy. A slight chance of rain showers in the evening, then a chance of rain and snow showers after midnight. Breezy with lows in the lower 30s. West winds 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 40 percent. .MONDAY...Mostly sunny. A slight chance of rain and snow showers in the morning. Breezy with highs in the upper 40s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 20 percent. .MONDAY NIGHT...Clear. Lows around 30. .TUESDAY...Mostly sunny and breezy. Highs around 60. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. .WEDNESDAY...Mostly sunny. Highs in the lower 60s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s. .THURSDAY...Mostly sunny. Highs in the lower 60s. .THURSDAY NIGHT...Mostly clear. Lows around 40. .FRIDAY...Mostly sunny. Highs in the mid 60s. $$ WYZ017-182200- Wind River Basin- Including the cities of Riverton and Shoshoni 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy this morning, then clearing. Highs in the upper 40s. North winds 10 to 15 mph with gusts up to 30 mph, becoming southeast this afternoon. .TONIGHT...Mostly clear and breezy. Lows in the lower 30s. South winds 15 to 20 mph with gusts up to 30 mph. .SUNDAY...Partly cloudy in the morning, then clearing. Breezy, warmer with highs in the mid 60s. Southwest winds 15 to 25 mph with gusts up to 45 mph. .SUNDAY NIGHT...Mostly clear with a chance of rain showers. A chance of snow showers after midnight. Breezy with lows in the lower 30s. West winds 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 30 percent. .MONDAY...Sunny. Highs in the lower 50s. Northwest winds 10 to 15 mph with gusts up to 30 mph. .MONDAY NIGHT...Clear. Lows in the upper 20s. .TUESDAY...Mostly sunny. Highs in the upper 50s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 30s. .WEDNESDAY...Partly cloudy in the morning, then clearing. Highs around 60. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. .THURSDAY...Mostly sunny. Highs in the lower 60s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 30s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the mid 60s. $$ WYZ018-182200- Lander Foothills- Including the city of Lander 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy this morning, then clearing. Highs in the upper 40s. East winds around 10 mph. .TONIGHT...Mostly clear and breezy. Lows in the mid 30s. Southwest winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY...Partly cloudy in the morning, then clearing. Windy with highs in the mid 60s. Southwest winds 15 to 20 mph with gusts up to 35 mph, increasing to 20 to 30 mph with gusts up to 45 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. A chance of rain showers in the evening, then a slight chance of rain and snow showers after midnight. Breezy with lows in the lower 30s. West winds 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 30 percent. .MONDAY...Sunny. Highs in the lower 50s. West winds 10 to 15 mph with gusts up to 25 mph. .MONDAY NIGHT...Clear. Lows around 30. .TUESDAY...Mostly sunny. Highs in the upper 50s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. .WEDNESDAY...Partly cloudy in the morning, then clearing. Highs in the lower 60s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s. .THURSDAY...Mostly sunny. Highs in the lower 60s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the mid 60s. $$ WYZ028-182200- Rock Springs and Green River- Including the cities of Rock Springs and Green River 602 AM MDT Sat Oct 18 2025 .TODAY...Mostly sunny and breezy. Highs in the mid 50s. West winds 15 to 20 mph with gusts up to 35 mph. .TONIGHT...Mostly clear. Lows around 30. Southwest winds 10 to 15 mph. .SUNDAY...Mostly sunny and breezy. Highs in the mid 60s. Southwest winds around 10 mph, increasing to 20 to 25 mph with gusts up to 40 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy and breezy. Lows in the lower 30s. West winds 15 to 25 mph with gusts up to 40 mph. .MONDAY...Sunny, breezy with highs around 50. West winds 15 to 20 mph with gusts up to 35 mph. .MONDAY NIGHT...Clear. Lows in the lower 20s. .TUESDAY...Mostly sunny. Highs around 60. .TUESDAY NIGHT...Mostly clear. Lows in the upper 20s. .WEDNESDAY...Partly cloudy. Highs around 60. .WEDNESDAY NIGHT...Partly cloudy. Lows around 30. .THURSDAY...Mostly sunny. Highs around 60. .THURSDAY NIGHT...Mostly clear. Lows around 30. .FRIDAY...Mostly sunny. Highs in the lower 60s. $$ WYZ013-182200- Jackson Hole- Including the city of Jackson 602 AM MDT Sat Oct 18 2025 .TODAY...Mostly sunny. Highs in the mid 40s. West winds around 10 mph this afternoon. .TONIGHT...Mostly clear. Lows around 30. South winds around 10 mph. .SUNDAY...Mostly sunny in the morning, then mostly cloudy with rain showers in the afternoon. Breezy with highs in the mid 50s. South winds around 10 mph with gusts up to 20 mph, becoming southwest 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance of rain 80 percent. .SUNDAY NIGHT...Rain and snow showers in the evening, then snow showers likely after midnight. Little or no snow accumulation. Breezy with lows in the mid 20s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 80 percent. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the lower 40s. West winds around 10 mph. .MONDAY NIGHT...Clear, cold with lows around 20. .TUESDAY...Mostly sunny. Highs in the lower 50s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 20s. .WEDNESDAY...Partly cloudy. Highs in the mid 50s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. .THURSDAY...Mostly sunny. Highs in the mid 50s. .THURSDAY NIGHT...Mostly clear. Lows around 30. .FRIDAY...Partly cloudy. Highs in the upper 50s. $$ WYZ003-182200- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy with a chance of snow showers this morning, then sunny this afternoon. Highs in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 30 percent. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Breezy with lows in the mid 30s. Southwest winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY...Partly cloudy in the morning, then mostly sunny with a chance of rain showers in the afternoon. Breezy with highs in the lower 60s. Southwest winds 15 to 20 mph with gusts up to 40 mph. Chance of rain 50 percent. .SUNDAY NIGHT...Partly cloudy with rain and snow showers in the evening, then mostly clear with a chance of snow and rain showers after midnight. Little or no snow accumulation. Breezy with lows in the mid 30s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 80 percent. .MONDAY...Mostly sunny and breezy. Highs in the upper 40s. West winds 15 to 20 mph with gusts up to 35 mph. .MONDAY NIGHT...Mostly clear. Lows around 30. .TUESDAY...Mostly sunny. Highs in the mid 50s. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. .WEDNESDAY...Partly cloudy. Highs in the upper 50s. .WEDNESDAY NIGHT...Partly cloudy. Lows around 40. .THURSDAY...Partly cloudy in the morning, then clearing. Highs around 60. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 40. .FRIDAY...Partly cloudy. Highs in the lower 60s. $$ WYZ004-182200- North Bighorn Basin- Including the cities of Basin, Greybull, Lovell, Powell, and Shell 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy this morning, then clearing. Breezy with highs in the mid 40s. Northwest winds 15 to 20 mph with gusts up to 30 mph, becoming northeast around 10 mph with gusts up to 20 mph this afternoon. .TONIGHT...Mostly clear. Lows in the mid 30s. Southeast winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY...Partly cloudy. A slight chance of. Warmer with highs in the mid 60s. South winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY NIGHT...Partly cloudy. Rain showers likely in the evening, then a chance of rain and snow showers after midnight. Little or no snow accumulation. Lows in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 60 percent. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the lower 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .MONDAY NIGHT...Clear. Lows around 30. .TUESDAY...Mostly sunny. Highs in the mid 50s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 30s. .WEDNESDAY...Partly cloudy. Highs around 60. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .THURSDAY...Partly cloudy in the morning, then clearing. Highs in the lower 60s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Partly cloudy. Highs in the mid 60s. $$ WYZ006-182200- Southeast Bighorn Basin- Including the cities of Ten Sleep and Worland 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy with a chance of rain and snow showers this morning, then sunny this afternoon. Highs in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 30 percent. .TONIGHT...Mostly clear. Lows in the lower 30s. Southeast winds around 10 mph. .SUNDAY...Partly cloudy. Warmer with highs in the mid 60s. South winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy with a chance of rain showers. A chance of snow showers after midnight. Lows in the mid 30s. West winds 10 to 15 mph. Gusts up to 30 mph in the evening. Chance of precipitation 40 percent. .MONDAY...Mostly sunny. Highs in the lower 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .MONDAY NIGHT...Clear. Lows in the upper 20s. .TUESDAY...Mostly sunny. Highs in the upper 50s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 30s. .WEDNESDAY...Partly cloudy in the morning, then clearing. Highs in the lower 60s. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s. .THURSDAY...Mostly sunny. Highs in the lower 60s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the mid 60s. $$ WYZ005-182200- Southwest Bighorn Basin- Including the city of Thermopolis 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy with a chance of snow and rain showers this morning, then sunny this afternoon. Highs in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph, becoming east this afternoon. Chance of precipitation 30 percent. .TONIGHT...Mostly clear. Lows in the lower 30s. South winds around 10 mph, becoming southwest with gusts up to 30 mph after midnight. .SUNDAY...Partly cloudy in the morning, then clearing. Breezy, warmer with highs in the mid 60s. Southwest winds 15 to 20 mph with gusts up to 30 mph. .SUNDAY NIGHT...Mostly clear with a chance of rain showers. A chance of snow showers after midnight. Breezy with lows in the mid 30s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 40 percent. .MONDAY...Mostly sunny. Highs in the lower 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .MONDAY NIGHT...Clear. Lows in the upper 20s. .TUESDAY...Mostly sunny. Highs in the mid 50s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 30s. .WEDNESDAY...Partly cloudy. Highs around 60. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s. .THURSDAY...Partly cloudy in the morning, then clearing. Highs in the lower 60s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the mid 60s. $$ WYZ023-182200- Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy this morning, then clearing. Areas of fog this morning. Highs in the upper 40s. West winds around 10 mph this afternoon. .TONIGHT...Clear. Lows in the lower 30s. .SUNDAY...Mostly sunny in the morning, then partly cloudy with rain showers likely in the afternoon. Breezy with highs around 60. South winds around 10 mph, becoming southwest 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance of rain 60 percent. .SUNDAY NIGHT...Mostly cloudy with rain showers likely in the evening, then partly cloudy with a chance of snow and rain showers after midnight. Little or no snow accumulation. Breezy with lows in the mid 20s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 70 percent. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. West winds around 10 mph. .MONDAY NIGHT...Clear. Lows in the lower 20s. .TUESDAY...Mostly sunny. Highs in the upper 50s. .TUESDAY NIGHT...Mostly clear. Lows around 30. .WEDNESDAY...Partly cloudy. Highs around 60. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. .THURSDAY...Mostly sunny. Highs around 60. .THURSDAY NIGHT...Mostly clear. Lows around 30. .FRIDAY...Partly cloudy in the morning, then clearing. Highs around 60. $$ WYZ025-182200- Upper Green River Basin Foothills- Including the city of Pinedale 602 AM MDT Sat Oct 18 2025 .TODAY...Mostly sunny. Highs in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .TONIGHT...Clear. Lows in the mid 20s. Northwest winds around 10 mph in the evening. .SUNDAY...Mostly sunny in the morning, then partly cloudy with a chance of rain showers in the afternoon. Breezy with highs in the mid 50s. Southwest winds 15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy with rain and snow showers likely in the evening, then partly cloudy with a chance of snow showers after midnight. Little or no snow accumulation. Breezy with lows in the lower 20s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 70 percent. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the lower 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .MONDAY NIGHT...Clear, cold with lows around 20. .TUESDAY...Mostly sunny. Highs in the lower 50s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 20s. .WEDNESDAY...Partly cloudy. Highs in the mid 50s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 20s. .THURSDAY...Mostly sunny. Highs in the mid 50s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 20s. .FRIDAY...Partly cloudy. Highs in the upper 50s. $$ WYZ026-182200- Upper Green River Basin- Including the cities of La Barge, Big Piney, and Farson 602 AM MDT Sat Oct 18 2025 .TODAY...Mostly sunny. Highs around 50. Northwest winds 10 to 15 mph with gusts up to 30 mph. .TONIGHT...Clear. Lows in the mid 20s. West winds 10 to 15 mph. .SUNDAY...Mostly sunny and breezy. Highs in the lower 60s. West winds around 10 mph with gusts up to 20 mph, increasing to southwest 20 to 25 mph with gusts up to 40 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy with a chance of rain showers in the evening, then mostly clear after midnight. Breezy with lows in the upper 20s. West winds 15 to 25 mph with gusts up to 45 mph. Chance of rain 30 percent. .MONDAY...Mostly sunny and breezy. Highs in the upper 40s. West winds 15 to 20 mph with gusts up to 35 mph. .MONDAY NIGHT...Clear, cold with lows around 20. .TUESDAY...Mostly sunny. Highs in the mid 50s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 20s. .WEDNESDAY...Partly cloudy. Highs in the upper 50s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. .THURSDAY...Mostly sunny. Highs around 60. .THURSDAY NIGHT...Mostly clear. Lows in the upper 20s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs around 60. $$ WYZ010-182200- Northeast Johnson County- Including the city of Buffalo 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy this morning, then clearing. Breezy with highs in the mid 40s. Northwest winds 15 to 20 mph with gusts up to 35 mph. .TONIGHT...Mostly clear. Lows in the lower 30s. South winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY...Mostly sunny in the morning, then becoming partly cloudy. Breezy, warmer with highs in the upper 60s. Southwest winds 15 to 20 mph with gusts up to 30 mph. .SUNDAY NIGHT...Mostly cloudy with rain showers in the evening, then partly cloudy with rain and snow showers likely after midnight. Little or no snow accumulation. Lows in the mid 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 80 percent. .MONDAY...Partly cloudy in the morning, then clearing. Breezy, cooler with highs in the upper 40s. Northwest winds 15 to 25 mph with gusts up to 35 mph. .MONDAY NIGHT...Clear. Lows in the upper 20s. .TUESDAY...Mostly sunny. Highs in the upper 50s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 30s. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 60s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s. .THURSDAY...Mostly sunny. Highs in the mid 60s. .THURSDAY NIGHT...Mostly clear. Lows around 40. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the upper 60s. $$ WYZ011-182200- Southeast Johnson County- Including the city of Kaycee 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy with snow and rain showers likely this morning, then sunny this afternoon. Snow accumulation up to 1 inch. Highs in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 60 percent. .TONIGHT...Mostly clear. Lows in the lower 30s. Southwest winds 10 to 15 mph. Gusts up to 30 mph after midnight. .SUNDAY...Partly cloudy and breezy, warmer with highs in the mid 60s. Southwest winds 15 to 25 mph with gusts up to 40 mph. .SUNDAY NIGHT...Partly cloudy with rain showers likely. Snow showers likely after midnight. Little or no snow accumulation. Breezy with lows in the mid 30s. Northwest winds 15 to 20 mph. Chance of precipitation 60 percent. .MONDAY...Partly cloudy with a slight chance of rain and snow showers in the morning, then mostly sunny in the afternoon. Breezy with highs around 50. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 20 percent. .MONDAY NIGHT...Clear. Lows in the upper 20s. .TUESDAY...Mostly sunny. Highs in the lower 60s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 30s. .WEDNESDAY...Mostly sunny. Highs in the lower 60s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s. .THURSDAY...Mostly sunny. Highs in the mid 60s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Mostly sunny. Highs in the upper 60s. $$ WYZ027-182200- South Lincoln County- Including the cities of Kemmerer and Cokeville 602 AM MDT Sat Oct 18 2025 .TODAY...Mostly sunny and breezy. Highs in the lower 50s. West winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT...Clear. Lows around 30. West winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY...Mostly sunny and windy. Highs in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph, increasing to west 20 to 30 mph with gusts up to 45 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. A chance of rain showers in the evening. Windy with lows around 30. West winds 20 to 30 mph with gusts up to 45 mph. Chance of rain 30 percent. .MONDAY...Sunny, breezy with highs around 50. West winds 15 to 25 mph. .MONDAY NIGHT...Clear. Lows in the lower 20s. .TUESDAY...Mostly sunny. Highs around 60. .TUESDAY NIGHT...Mostly clear. Lows around 30. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 60. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. .THURSDAY...Mostly sunny. Highs around 60. .THURSDAY NIGHT...Mostly clear. Lows around 30. .FRIDAY...Mostly sunny. Highs around 60. $$ WYZ016-182200- Upper Wind River Basin- Including the city of Dubois 602 AM MDT Sat Oct 18 2025 .TODAY...Mostly sunny and breezy. Highs in the upper 40s. Northwest winds 15 to 25 mph with gusts up to 40 mph. .TONIGHT...Mostly clear and breezy. Lows in the lower 30s. West winds 15 to 25 mph with gusts up to 40 mph. .SUNDAY...Mostly sunny. A chance of rain showers in the afternoon. Windy with highs in the upper 50s. West winds 20 to 30 mph. Gusts up to 40 mph, increasing to 50 mph in the afternoon. Chance of rain 50 percent. .SUNDAY NIGHT...Partly cloudy. Rain and snow showers in the evening, then snow showers likely after midnight. Little or no snow accumulation. Windy with lows around 30. West winds 20 to 30 mph with gusts up to 50 mph. Chance of precipitation 80 percent. .MONDAY...Mostly sunny and breezy. Highs in the mid 40s. West winds 15 to 25 mph with gusts up to 45 mph. .MONDAY NIGHT...Clear, breezy with lows in the mid 20s. .TUESDAY...Mostly sunny and breezy. Highs in the mid 50s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 30s. .WEDNESDAY...Partly cloudy. Highs in the upper 50s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 30s. .THURSDAY...Mostly sunny. Highs in the upper 50s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. .FRIDAY...Partly cloudy. Highs in the upper 50s. $$ WYZ001-182200- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy this morning, then clearing. Highs in the upper 30s. West winds 10 to 15 mph with gusts up to 30 mph. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Breezy with lows in the upper 20s. Southwest winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY...Partly cloudy with a slight chance of rain and snow showers in the morning, then cloudy with rain and snow showers in the afternoon. Snow accumulation up to 2 inches. Breezy with highs in the mid 40s. Southwest winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 90 percent. .SUNDAY NIGHT...Mostly cloudy. Snow and rain showers in the evening, then snow showers likely after midnight. Light snow accumulation. Breezy with lows in the lower 20s. West winds 15 to 20 mph with gusts up to 40 mph. Chance of precipitation 80 percent. .MONDAY...Partly cloudy. Highs in the mid 30s. West winds 10 to 15 mph with gusts up to 30 mph. .MONDAY NIGHT...Mostly clear. Cold with lows 16 to 22. .TUESDAY...Mostly sunny. Highs in the mid 40s. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 20s. .WEDNESDAY...Partly cloudy. Highs in the upper 40s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 20s. .THURSDAY...Mostly sunny. Highs in the upper 40s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s. .FRIDAY...Partly cloudy. Highs around 50. $$ WYZ029-182200- Flaming Gorge- 602 AM MDT Sat Oct 18 2025 .TODAY...Mostly sunny and breezy. Highs in the lower 50s. West winds 15 to 20 mph with gusts up to 35 mph. .TONIGHT...Mostly clear. Lows in the lower 30s. West winds 10 to 15 mph with gusts up to 25 mph, becoming south after midnight. .SUNDAY...Mostly sunny and breezy. Highs in the mid 60s. South winds around 10 mph with gusts up to 20 mph, becoming southwest 15 to 20 mph with gusts up to 30 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy and breezy. Lows in the mid 30s. West winds 15 to 25 mph. Gusts up to 40 mph after midnight. .MONDAY...Mostly sunny and breezy. Highs in the lower 50s. West winds 15 to 25 mph with gusts up to 40 mph. .MONDAY NIGHT...Clear. Lows around 30. .TUESDAY...Mostly sunny. Highs in the upper 50s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 30s. .WEDNESDAY...Partly cloudy. Highs in the upper 50s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s. .THURSDAY...Mostly sunny. Highs in the upper 50s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 30s. .FRIDAY...Mostly sunny. Highs in the lower 60s. $$ WYZ022-182200- Casper Mountain- 602 AM MDT Sat Oct 18 2025 .TODAY...Mostly cloudy with snow showers likely this morning, then mostly sunny this afternoon. Snow accumulation up to 1 inch. Highs in the mid 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 60 percent. .TONIGHT...Mostly clear and breezy. Lows around 30. Southwest winds 10 to 15 mph with gusts up to 25 mph, increasing to 15 to 25 mph with gusts up to 45 mph after midnight. .SUNDAY...Mostly sunny and windy. Not as cool with highs in the mid 50s. Southwest winds 20 to 30 mph with gusts up to 50 mph. .SUNDAY NIGHT...Partly cloudy. A slight chance of rain showers in the evening, then a chance of rain and snow showers after midnight. Breezy with lows in the lower 30s. West winds 15 to 25 mph with gusts up to 45 mph. Chance of precipitation 40 percent. .MONDAY...Mostly sunny. A slight chance of snow showers in the morning. Breezy with highs in the lower 40s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 20 percent. .MONDAY NIGHT...Clear. Lows in the upper 20s. .TUESDAY...Sunny. Highs in the lower 50s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. .WEDNESDAY...Mostly sunny. Highs in the mid 50s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s. .THURSDAY...Mostly sunny. Highs in the mid 50s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Mostly sunny. Highs in the mid 50s. $$ WYZ002-182200- Absaroka Mountains- 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy with a chance of snow showers this morning, then sunny this afternoon. Breezy with highs in the upper 30s. West winds 15 to 20 mph with gusts up to 40 mph. Chance of snow 30 percent. .TONIGHT...Mostly clear and windy. Lows in the upper 20s. West winds 20 to 30 mph with gusts up to 50 mph. .SUNDAY...Mostly sunny in the morning, then partly cloudy with rain and snow showers likely in the afternoon. Snow accumulation up to 3 inches. Windy with highs in the mid 40s. West winds 20 to 30 mph with gusts up to 50 mph. Chance of precipitation 70 percent. .SUNDAY NIGHT...Mostly cloudy with snow and rain showers in the evening, then partly cloudy with snow showers likely after midnight. Light snow accumulation. Windy with lows in the lower 20s. West winds 20 to 30 mph with gusts up to 50 mph. Chance of precipitation 80 percent. .MONDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the lower 30s. West winds 15 to 25 mph with gusts up to 45 mph. .MONDAY NIGHT...Mostly clear and breezy. Lows in the lower 20s. .TUESDAY...Mostly sunny and breezy. Highs in the lower 40s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 20s. .WEDNESDAY...Partly cloudy. Highs in the mid 40s. .WEDNESDAY NIGHT...Partly cloudy. Lows around 30. .THURSDAY...Mostly sunny. Highs in the mid 40s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Breezy with lows in the lower 30s. .FRIDAY...Partly cloudy. Highs in the upper 40s. $$ WYZ007-182200- Owl Creek and Bridger Mountains- 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy with a chance of snow showers this morning, then sunny this afternoon. Breezy with highs around 40. North winds 15 to 20 mph with gusts up to 35 mph, becoming east around 10 mph with gusts up to 25 mph this afternoon. Chance of snow 30 percent. .TONIGHT...Mostly clear and breezy. Lows in the lower 30s. Southwest winds 15 to 20 mph. Gusts up to 35 mph after midnight. .SUNDAY...Partly cloudy in the morning, then clearing. Breezy and not as cool with highs around 60. Southwest winds 15 to 25 mph with gusts up to 40 mph. .SUNDAY NIGHT...Mostly clear. Snow and rain showers likely, mainly in the evening. Little or no snow accumulation. Breezy with lows in the lower 30s. West winds 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 60 percent. .MONDAY...Mostly sunny and breezy. Highs in the mid 40s. Northwest winds 15 to 20 mph with gusts up to 35 mph. .MONDAY NIGHT...Clear. Lows in the upper 20s. .TUESDAY...Mostly sunny. Highs in the lower 50s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. .WEDNESDAY...Partly cloudy in the morning, then clearing. Highs in the mid 50s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .THURSDAY...Mostly sunny. Highs in the upper 50s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs around 60. $$ WYZ008-182200- Bighorn Mountains West- 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy with a chance of snow showers this morning, then sunny this afternoon. Breezy with highs in the lower 30s. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 30 percent. .TONIGHT...Mostly clear and breezy. Lows in the upper 20s. South winds 15 to 20 mph with gusts up to 30 mph. .SUNDAY...Mostly sunny in the morning, then partly cloudy with a chance of rain showers in the afternoon. Breezy and not as cool with highs in the lower 50s. Southwest winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 30 percent. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Snow showers likely with rain showers. Light snow accumulation. Breezy with lows in the upper 20s. West winds 15 to 20 mph. Gusts up to 40 mph, decreasing to 30 mph after midnight. Chance of precipitation 80 percent. .MONDAY...Partly cloudy with a chance of snow showers in the morning, then mostly sunny in the afternoon. Breezy with highs in the upper 30s. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 30 percent. .MONDAY NIGHT...Clear. Lows in the upper 20s. .TUESDAY...Mostly sunny. Highs in the upper 40s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. .WEDNESDAY...Partly cloudy. Highs around 50. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .THURSDAY...Mostly sunny. Highs in the lower 50s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the mid 50s. $$ WYZ009-182200- Bighorn Mountains Southeast- 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy with a chance of snow showers this morning, then sunny this afternoon. Breezy with highs in the mid 30s. Northwest winds 15 to 20 mph with gusts up to 40 mph. Chance of snow 30 percent. .TONIGHT...Mostly clear and breezy. Lows in the upper 20s. West winds 15 to 25 mph with gusts up to 40 mph. .SUNDAY...Mostly sunny and breezy. Not as cool with highs in the mid 50s. West winds 15 to 25 mph with gusts up to 40 mph. .SUNDAY NIGHT...Rain showers with snow showers likely. Little or no snow accumulation. Breezy with lows in the upper 20s. West winds 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 80 percent. .MONDAY...Partly cloudy with a chance of snow showers in the morning, then mostly sunny in the afternoon. Breezy with highs in the upper 30s. Northwest winds 20 to 25 mph with gusts up to 40 mph. Chance of snow 30 percent. .MONDAY NIGHT...Clear. Lows in the mid 20s. .TUESDAY...Mostly sunny. Highs around 50. .TUESDAY NIGHT...Mostly clear. Lows in the lower 30s. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 50s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s. .THURSDAY...Mostly sunny. Highs in the lower 50s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the upper 50s. $$ WYZ012-182200- Teton and Gros Ventre Mountains- 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy this morning, then clearing. Highs in the upper 30s. West winds 10 to 15 mph with gusts up to 30 mph. .TONIGHT...Mostly clear. Lows in the mid 20s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY...Mostly sunny in the morning, then mostly cloudy with rain and snow showers in the afternoon. Snow accumulation up to 2 inches. Breezy with highs in the mid 40s. Southwest winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 80 percent. .SUNDAY NIGHT...Snow and rain showers in the evening, then snow showers likely after midnight. Light snow accumulation. Breezy with lows in the lower 20s. West winds 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 90 percent. .MONDAY...Partly cloudy with a slight chance of snow showers in the morning, then mostly sunny in the afternoon. Highs in the mid 30s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of snow 20 percent. .MONDAY NIGHT...Clear, cold with lows 16 to 22. .TUESDAY...Mostly sunny. Highs in the mid 40s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 20s. .WEDNESDAY...Partly cloudy. Highs in the mid 40s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. .THURSDAY...Mostly sunny. Highs in the mid 40s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s. .FRIDAY...Partly cloudy. Highs in the upper 40s. $$ WYZ014-182200- Wind River Mountains West- 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy with a chance of snow showers this morning, then sunny this afternoon. Breezy with highs in the upper 30s. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 30 percent. .TONIGHT...Mostly clear and breezy. Lows in the mid 20s. West winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY...Mostly sunny in the morning, then becoming partly cloudy. Windy with highs in the upper 40s. West winds 15 to 20 mph with gusts up to 35 mph, becoming southwest 20 to 30 mph with gusts up to 50 mph in the afternoon. .SUNDAY NIGHT...Mostly cloudy with snow and rain showers in the evening, then partly cloudy with a chance of snow showers after midnight. Light snow accumulation. Windy, cold with lows around 20. West winds 20 to 30 mph with gusts up to 50 mph. Chance of precipitation 80 percent. .MONDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the lower 30s. West winds 15 to 25 mph with gusts up to 40 mph. .MONDAY NIGHT...Clear, cold with lows 16 to 24. .TUESDAY...Mostly sunny. Highs in the mid 40s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 20s. .WEDNESDAY...Partly cloudy. Highs in the mid 40s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 20s. .THURSDAY...Mostly sunny. Highs in the mid 40s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 20s. .FRIDAY...Partly cloudy. Highs in the upper 40s. $$ WYZ015-182200- Wind River Mountains East- 602 AM MDT Sat Oct 18 2025 .TODAY...Mostly sunny. A chance of snow showers this morning. Breezy with highs in the upper 30s. Northwest winds 15 to 25 mph. Gusts up to 50 mph, decreasing to 35 mph this afternoon. Chance of snow 30 percent. .TONIGHT...Mostly clear and windy. Lows in the upper 20s. West winds 20 to 30 mph. Gusts up to 45 mph, increasing to 55 mph after midnight. .SUNDAY...Mostly sunny in the morning, then becoming partly cloudy. Windy with highs in the mid 40s. Southwest winds 25 to 35 mph with gusts up to 50 mph. .SUNDAY NIGHT...Mostly cloudy with snow showers with rain showers likely in the evening, then partly cloudy with a chance of snow showers after midnight. Light snow accumulation. Windy with lows in the lower 20s. West winds 25 to 35 mph with gusts up to 60 mph. Chance of precipitation 80 percent. .MONDAY...Partly cloudy in the morning, then clearing. Windy with highs in the mid 30s. West winds 20 to 30 mph. Gusts up to 55 mph, decreasing to 40 mph in the afternoon. .MONDAY NIGHT...Clear, breezy with lows in the lower 20s. .TUESDAY...Mostly sunny and breezy. Highs in the mid 40s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 20s. .WEDNESDAY...Partly cloudy. Highs in the mid 40s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 20s. .THURSDAY...Mostly sunny and breezy. Highs in the mid 40s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 30s. .FRIDAY...Partly cloudy. Highs in the upper 40s. $$ WYZ019-182200- Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy with a chance of snow showers this morning, then sunny this afternoon. Breezy with highs in the mid 40s. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 30 percent. .TONIGHT...Mostly clear and breezy. Lows in the lower 30s. Southwest winds 15 to 25 mph. Gusts up to 35 mph, increasing to 45 mph after midnight. .SUNDAY...Mostly sunny and windy. Highs in the lower 60s. Southwest winds 20 to 30 mph with gusts up to 50 mph. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. A chance of rain showers. A chance of snow showers after midnight. Windy with lows in the lower 30s. West winds 20 to 30 mph with gusts up to 50 mph. Chance of precipitation 30 percent. .MONDAY...Sunny, breezy with highs in the mid 40s. West winds 15 to 25 mph. Gusts up to 40 mph in the morning. .MONDAY NIGHT...Clear. Lows in the upper 20s. .TUESDAY...Mostly sunny and breezy. Highs in the mid 50s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 30s. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 50s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s. .THURSDAY...Mostly sunny. Highs in the upper 50s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 30s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the upper 50s. $$ WYZ024-182200- Salt River and Wyoming Ranges- 602 AM MDT Sat Oct 18 2025 .TODAY...Partly cloudy this morning, then clearing. Breezy with highs in the mid 40s. West winds 15 to 20 mph. Gusts up to 35 mph this morning. .TONIGHT...Clear. Lows in the upper 20s. Southwest winds 10 to 15 mph. .SUNDAY...Mostly sunny in the morning, then partly cloudy with a chance of rain showers in the afternoon. Breezy with highs in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph, increasing to 20 to 25 mph with gusts up to 40 mph in the afternoon. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy with rain and snow showers likely in the evening, then partly cloudy with a chance of snow showers after midnight. Little or no snow accumulation. Breezy with lows in the mid 20s. West winds 15 to 25 mph with gusts up to 45 mph. Chance of precipitation 70 percent. .MONDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the upper 30s. West winds 15 to 20 mph. Gusts up to 40 mph in the morning. .MONDAY NIGHT...Clear. Lows in the lower 20s. .TUESDAY...Mostly sunny. Highs around 50. .TUESDAY NIGHT...Mostly clear. Lows in the upper 20s. .WEDNESDAY...Partly cloudy. Highs in the lower 50s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 20s. .THURSDAY...Mostly sunny. Highs around 50. .THURSDAY NIGHT...Mostly clear. Lows around 30. .FRIDAY...Partly cloudy. Highs in the lower 50s. $$ WYZ030-182200- East Sweetwater County- Including the city of Wamsutter 602 AM MDT Sat Oct 18 2025 .TODAY...Mostly sunny and breezy. Highs around 50. West winds 15 to 20 mph with gusts up to 35 mph. .TONIGHT...Mostly clear. Lows in the lower 30s. Southwest winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY...Mostly sunny and breezy. Highs in the lower 60s. Southwest winds 15 to 25 mph with gusts up to 40 mph. .SUNDAY NIGHT...Partly cloudy. A chance of rain and snow showers after midnight. Breezy with lows in the lower 30s. West winds 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 30 percent. .MONDAY...Sunny, breezy with highs in the upper 40s. West winds 15 to 25 mph with gusts up to 40 mph. .MONDAY NIGHT...Clear. Lows in the mid 20s. .TUESDAY...Mostly sunny. Highs in the mid 50s. .TUESDAY NIGHT...Mostly clear. Lows around 30. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 60. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 30s. .THURSDAY...Mostly sunny. Highs in the mid 50s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 30s. .FRIDAY...Mostly sunny. Highs around 60. $$