Zone Forecast Product
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
154 FPUS55 KRIW 060148 ZFPRIW Zone Forecast Product for Western and Central Wyoming National Weather Service Riverton WY 647 PM MST Fri Dec 5 2025 WYZ020-061100- Natrona County Lower Elevations- Including the city of Casper 647 PM MST Fri Dec 5 2025 .TONIGHT...Mostly cloudy with scattered snow showers. Breezy with lows in the upper 20s. Southwest winds 15 to 25 mph with gusts up to 45 mph. Chance of snow 30 percent. .SATURDAY...Mostly cloudy with a chance of snow showers in the morning, then partly cloudy in the afternoon. Breezy with highs in the upper 30s. Temperature falling into the lower 30s in the afternoon. West winds 15 to 25 mph with gusts up to 45 mph. Chance of snow 30 percent. .SATURDAY NIGHT...Partly cloudy and breezy, cold with lows around 19. West winds around 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph after midnight. .SUNDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 30s. West winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY NIGHT...Partly cloudy and breezy. Lows in the mid 20s. Southwest winds 15 to 20 mph with gusts up to 35 mph. .MONDAY...Mostly sunny and breezy. Highs in the lower 40s. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Breezy with lows around 30. .TUESDAY...Mostly cloudy and windy. Highs around 50. Temperature falling into the lower 40s in the afternoon. .TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Breezy with lows in the upper 20s. Chance of precipitation 40 percent. .WEDNESDAY...Mostly cloudy. A chance of rain and snow showers, mainly in the morning. Breezy with highs around 50. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Breezy with lows around 30. Chance of precipitation 30 percent. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of rain and snow showers. Breezy with highs in the lower 40s. Chance of precipitation 20 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of rain and snow showers. Cold with lows around 20. Chance of precipitation 20 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 40. $$ WYZ017-061100- Wind River Basin- Including the cities of Riverton and Shoshoni 647 PM MST Fri Dec 5 2025 .TONIGHT...Mostly cloudy with scattered snow showers. Breezy with lows around 30. South winds 10 to 15 mph, becoming west 15 to 20 mph after midnight. Gusts up to 40 mph. Chance of snow 30 percent. .SATURDAY...Partly cloudy and breezy. Highs in the lower 40s. Temperature falling into the mid 30s in the afternoon. Northwest winds 20 to 25 mph with gusts up to 50 mph. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows around 20. West winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 40. Southwest winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s. Southwest winds 10 to 15 mph with gusts up to 30 mph. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 40s. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Breezy with lows in the upper 20s. .TUESDAY...Mostly cloudy. A slight chance of. Breezy with highs around 50. .TUESDAY NIGHT...Mostly cloudy with a chance of rain showers. A slight chance of snow showers in the evening, then a chance of snow showers after midnight. Breezy with lows in the upper 20s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of rain and snow showers. Highs around 50. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of rain showers. A chance of snow showers, mainly in the evening. Breezy with lows around 30. Chance of precipitation 30 percent. .THURSDAY...Partly cloudy with a slight chance of rain and snow showers. Highs in the mid 40s. Chance of precipitation 20 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 20s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 40s. $$ WYZ018-061100- Lander Foothills- Including the city of Lander 647 PM MST Fri Dec 5 2025 .TONIGHT...Mostly cloudy this evening, then becoming partly cloudy. Scattered snow showers. Isolated rain showers after midnight. Breezy with lows around 30. South winds 10 to 15 mph, becoming west 15 to 20 mph after midnight. Gusts up to 40 mph. Chance of precipitation 30 percent. .SATURDAY...Partly cloudy and breezy. Highs in the lower 40s. Temperature falling into the mid 30s in the afternoon. Northwest winds 15 to 20 mph. Gusts up to 40 mph, decreasing to 30 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows around 19. Southwest winds 10 to 15 mph. .SUNDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 30s. Southwest winds 10 to 15 mph. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 40s. .MONDAY NIGHT...Mostly cloudy and breezy. Lows in the upper 20s. .TUESDAY...Mostly cloudy in the morning, then partly cloudy with a slight chance of rain showers in the afternoon. Breezy with highs in the lower 50s. Chance of rain 20 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of rain showers. A slight chance of snow showers after midnight. Breezy with lows in the lower 30s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of rain and snow showers. Highs in the lower 50s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Partly cloudy. A chance of rain showers, mainly in the evening. Breezy with lows in the lower 30s. Chance of rain 30 percent. .THURSDAY...Partly cloudy. Highs in the mid 40s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 20s. .FRIDAY...Partly cloudy. Highs in the mid 40s. $$ WYZ028-061100- Rock Springs and Green River- Including the cities of Rock Springs and Green River 647 PM MST Fri Dec 5 2025 .TONIGHT...Cloudy. Numerous snow showers this evening, then a chance of snow showers and scattered rain showers after midnight. Snow accumulation up to 1 inch. Windy with lows in the lower 30s. West winds 20 to 30 mph. Gusts up to 40 mph, increasing to 50 mph after midnight. Chance of precipitation 60 percent. .SATURDAY...Partly cloudy and windy. Highs around 40. West winds 20 to 30 mph with gusts up to 55 mph. .SATURDAY NIGHT...Mostly clear and breezy, cold with lows around 20. West winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY...Partly cloudy and breezy. Highs in the mid 30s. West winds 15 to 20 mph with gusts up to 30 mph. .SUNDAY NIGHT...Mostly cloudy. Lows in the lower 20s. West winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Partly cloudy and breezy. Highs around 40. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Breezy with lows in the upper 20s. .TUESDAY...Mostly cloudy and windy. Highs in the mid 40s. .TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain showers. Windy with lows in the mid 30s. .WEDNESDAY...A slight chance of snow showers in the morning. Mostly cloudy with a slight chance of rain showers. Windy with highs around 50. Chance of precipitation 20 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Breezy with lows in the mid 30s. .THURSDAY...Partly cloudy and breezy. Highs around 50. .THURSDAY NIGHT...Partly cloudy and breezy. Lows around 30. .FRIDAY...Partly cloudy. Highs around 50. $$ WYZ013-061100- Jackson Hole- Including the city of Jackson 647 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST SATURDAY... .TONIGHT...Snow showers this evening, then snow showers with isolated thunderstorms after midnight. Patchy blowing snow this evening. Patchy blowing snow after midnight. Snow may be heavy at times this evening with visibility one quarter mile or less at times. Snow accumulation of 2 to 10 inches. Breezy with lows around 30. Southwest winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 90 percent. .SATURDAY...Snow showers. A slight chance of thunderstorms in the afternoon. New snow accumulation up to 6 inches. Breezy with highs in the lower 30s. Southwest winds 15 to 20 mph. Gusts up to 35 mph in the morning. Chance of snow 80 percent. .SATURDAY NIGHT...Snow showers. New snow accumulation up to 2 inches. Cold with lows 15 to 19. Southwest winds around 10 mph with gusts up to 20 mph. Chance of snow 90 percent. .SUNDAY...Snow showers. New light snow accumulation. Highs in the lower 30s. Southwest winds around 10 mph. Chance of snow 80 percent. .SUNDAY NIGHT...Snow showers. New light snow accumulation. Lows in the lower 20s. Southwest winds around 10 mph. Chance of snow 90 percent. .MONDAY...Snow showers. New light snow accumulation. Highs in the mid 30s. Chance of snow 80 percent. .MONDAY NIGHT...Snow showers. Rain showers after midnight. New light snow accumulation. Lows in the upper 20s. Chance of precipitation 80 percent. .TUESDAY...Snow and rain showers. New little or no snow accumulation. Highs around 40. Chance of precipitation 80 percent. .TUESDAY NIGHT...Rain and snow showers. Little or no snow accumulation. Lows around 30. Chance of precipitation 80 percent. .WEDNESDAY...Rain and snow showers. Little or no snow accumulation. Highs in the lower 40s. Chance of precipitation 80 percent. .WEDNESDAY NIGHT...Rain showers likely. A slight chance of snow showers in the evening, then snow showers likely after midnight. Little or no snow accumulation. Lows in the mid 20s. Chance of precipitation 70 percent. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. Snow and rain showers likely. Little or no snow accumulation. Highs around 40. Chance of precipitation 60 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Lows in the lower 20s. Chance of precipitation 30 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow and rain showers. Highs around 40. Chance of precipitation 30 percent. $$ WYZ003-061100- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 647 PM MST Fri Dec 5 2025 .TONIGHT...Mostly cloudy this evening, then becoming partly cloudy. Numerous snow showers. Snow accumulation up to 1 inch. Breezy with lows around 30. South winds 10 to 15 mph with gusts up to 35 mph, increasing to west 20 to 25 mph with gusts up to 50 mph after midnight. Chance of snow 60 percent. .SATURDAY...Partly cloudy. A chance of snow showers in the morning. Windy with highs around 40. West winds 20 to 30 mph. Gusts up to 60 mph, decreasing to 50 mph in the afternoon. Chance of snow 30 percent. .SATURDAY NIGHT...Partly cloudy and breezy. Lows in the mid 20s. West winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY...Partly cloudy and breezy. Highs in the upper 30s. West winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY NIGHT...Mostly cloudy with a chance of snow showers in the evening, then partly cloudy after midnight. Breezy with lows in the mid 20s. Southwest winds 15 to 20 mph with gusts up to 40 mph. Chance of snow 30 percent. .MONDAY...Partly cloudy and breezy. Highs in the lower 40s. .MONDAY NIGHT...Mostly cloudy. A chance of snow showers with a slight chance of rain showers after midnight. Breezy with lows in the lower 30s. Chance of precipitation 30 percent. .TUESDAY...Mostly cloudy with a chance of rain showers with a slight chance of snow showers. Windy with highs around 50. Temperature falling to around 40 in the afternoon. Chance of precipitation 30 percent. .TUESDAY NIGHT...Rain and snow showers likely. Little or no snow accumulation. Breezy with lows around 30. Chance of precipitation 60 percent. .WEDNESDAY...Mostly cloudy with rain showers likely. A chance of snow showers in the morning, then snow showers likely in the afternoon. Little or no snow accumulation. Breezy with highs in the mid 40s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Breezy with lows in the upper 20s. Chance of precipitation 40 percent. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of rain and snow showers. Breezy with highs around 40. Chance of precipitation 30 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of rain and snow showers. Lows in the lower 20s. Chance of precipitation 30 percent. .FRIDAY...Mostly cloudy with a chance of snow and rain showers in the morning, then partly cloudy with a slight chance of rain and snow showers in the afternoon. Highs around 40. Chance of precipitation 30 percent. $$ WYZ004-061100- North Bighorn Basin- Including the cities of Basin, Greybull, Lovell, Powell, and Shell 647 PM MST Fri Dec 5 2025 .TONIGHT...Mostly cloudy with numerous snow showers. Snow accumulation up to 2 inches. Lows in the upper 20s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 60 percent. .SATURDAY...Mostly cloudy with a chance of snow showers. A slight chance of rain showers in the afternoon. Highs in the upper 30s. West winds around 10 mph, becoming northwest in the afternoon. Gusts up to 30 mph. Chance of precipitation 30 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cold with lows around 20. South winds around 10 mph after midnight. .SUNDAY...Partly cloudy. Highs in the upper 30s. South winds around 10 mph. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 20s. Southeast winds around 10 mph with gusts up to 20 mph. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 40. .MONDAY NIGHT...Mostly cloudy. Lows in the upper 20s. .TUESDAY...Mostly cloudy. A chance of rain showers in the afternoon. Highs in the upper 40s. Chance of rain 30 percent. .TUESDAY NIGHT...Mostly cloudy. A chance of rain and snow showers in the evening, then rain and snow showers likely after midnight. Little or no snow accumulation. Lows around 30. Chance of precipitation 60 percent. .WEDNESDAY...Mostly cloudy with a chance of rain and snow showers. Highs in the mid 40s. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Lows in the upper 20s. Chance of precipitation 40 percent. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of rain and snow showers. Highs around 40. Chance of precipitation 30 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of rain and snow showers. Cold with lows around 20. Chance of precipitation 30 percent. .FRIDAY...Mostly cloudy with a chance of rain and snow showers in the morning, then partly cloudy in the afternoon. Highs in the mid 30s. Chance of precipitation 30 percent. $$ WYZ006-061100- Southeast Bighorn Basin- Including the cities of Ten Sleep and Worland 647 PM MST Fri Dec 5 2025 .TONIGHT...Mostly cloudy with scattered snow showers. Lows in the upper 20s. Southeast winds around 10 mph, becoming south after midnight. Chance of snow 30 percent. .SATURDAY...Mostly cloudy. Highs around 40. West winds 10 to 15 mph, becoming northwest in the afternoon. Gusts up to 30 mph. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cold with lows around 20. South winds around 10 mph after midnight. .SUNDAY...Partly cloudy. Highs in the upper 30s. Southeast winds around 10 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. Cold with lows around 20. Southeast winds around 10 mph. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 40s. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 20s. .TUESDAY...Mostly cloudy. A slight chance of rain showers in the afternoon. Highs around 50. Chance of rain 20 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Lows around 30. Chance of precipitation 40 percent. .WEDNESDAY...Mostly cloudy with a chance of rain and snow showers. Highs in the mid 40s. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Lows in the upper 20s. Chance of precipitation 30 percent. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of rain and snow showers. Highs in the lower 40s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of rain and snow showers. Lows in the lower 20s. Chance of precipitation 20 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 40. $$ WYZ005-061100- Southwest Bighorn Basin- Including the city of Thermopolis 647 PM MST Fri Dec 5 2025 .TONIGHT...Mostly cloudy with scattered snow showers. Lows around 30. South winds 10 to 15 mph, becoming west after midnight. Gusts up to 30 mph. Chance of snow 30 percent. .SATURDAY...Partly cloudy and breezy. Highs in the lower 40s. Temperature falling into the mid 30s in the afternoon. West winds 20 to 25 mph, becoming north in the afternoon. Gusts up to 45 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 20s. Southwest winds around 10 mph. .SUNDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 40. Southwest winds around 10 mph, becoming south in the afternoon. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 20s. Southwest winds around 10 mph. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 40s. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 20s. Temperature rising into the mid 30s after midnight. .TUESDAY...Mostly cloudy. A chance of rain showers in the afternoon. Highs around 50. Temperature falling into the lower 40s in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Little or no snow accumulation. Lows around 30. Chance of precipitation 50 percent. .WEDNESDAY...Mostly cloudy with a chance of rain and snow showers. Highs in the upper 40s. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Lows in the upper 20s. Chance of precipitation 40 percent. .THURSDAY...Mostly cloudy with a chance of rain and snow showers in the morning, then partly cloudy with a slight chance of rain and snow showers in the afternoon. Highs in the lower 40s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Partly cloudy with a slight chance of rain and snow showers. Lows in the lower 20s. Chance of precipitation 20 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 40. $$ WYZ023-061100- Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 647 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST SATURDAY... .TONIGHT...Snow showers this evening, then snow showers, rain showers with a slight chance of thunderstorms after midnight. Snow accumulation of 2 to 5 inches. Breezy with lows in the lower 30s. South winds 10 to 15 mph, becoming west 15 to 20 mph after midnight. Gusts up to 35 mph. Chance of precipitation 90 percent. .SATURDAY...Snow showers with a slight chance of thunderstorms. New snow accumulation up to 1 inch. Breezy with highs in the mid 30s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 80 percent. .SATURDAY NIGHT...Cloudy. Snow showers, mainly in the evening. Snow accumulation up to 1 inch. Cold with lows around 20. West winds around 10 mph with gusts up to 20 mph in the evening. Chance of snow 80 percent. .SUNDAY...A chance of snow showers in the morning, then snow showers likely in the afternoon. Little or no snow accumulation. Highs in the mid 30s. Chance of snow 60 percent. .SUNDAY NIGHT...Snow showers. Light snow accumulation. Lows in the mid 20s. Chance of snow 90 percent. .MONDAY...Snow showers. New little or no snow accumulation. Highs in the upper 30s. Chance of snow 80 percent. .MONDAY NIGHT...Snow and rain showers likely. Little or no snow accumulation. Lows in the upper 20s. Chance of precipitation 60 percent. .TUESDAY...Rain showers likely. Snow showers likely, mainly in the morning. Little or no snow accumulation. Highs in the lower 40s. Chance of precipitation 70 percent. .TUESDAY NIGHT...Rain showers. Lows in the lower 30s. Chance of rain 80 percent. .WEDNESDAY...Rain showers likely with a slight chance of snow showers. Little or no snow accumulation. Highs in the lower 40s. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...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 upper 20s. Chance of precipitation 60 percent. .THURSDAY...Mostly cloudy with a chance of rain and snow showers. Highs in the lower 40s. Chance of precipitation 40 percent. .THURSDAY NIGHT...Partly cloudy with a chance of rain and snow showers in the evening, then mostly cloudy with a slight chance of rain and snow showers after midnight. Lows in the lower 20s. Chance of precipitation 30 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of rain and snow showers. Highs in the lower 40s. Chance of precipitation 20 percent. $$ WYZ025-061100- Upper Green River Basin Foothills- Including the city of Pinedale 647 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST SATURDAY... .TONIGHT...Snow showers this evening, then snow showers with isolated thunderstorms after midnight. Blowing snow this evening. Patchy blowing snow after midnight. Snow may be heavy at times this evening with visibility one quarter mile or less at times. Snow accumulation of 2 to 11 inches. Breezy with lows in the mid 20s. Southeast winds around 10 mph with gusts up to 25 mph, increasing to west 20 to 25 mph with gusts up to 40 mph after midnight. Chance of snow 90 percent. .SATURDAY...Mostly cloudy in the morning, then becoming partly cloudy. Snow showers. Storm total snow accumulation of 4 to 8 inches. Breezy with highs in the lower 30s. Northwest winds 15 to 25 mph with gusts up to 40 mph. Chance of snow 80 percent. .SATURDAY NIGHT...Partly cloudy. Snow showers likely in the evening. New snow accumulation up to 1 inch. Cold with lows around 10 above. Northwest winds around 10 mph with gusts up to 20 mph. Chance of snow 60 percent. .SUNDAY...Partly cloudy with a 40 percent chance of snow showers. Highs around 30. Northwest winds around 10 mph. .SUNDAY NIGHT...Mostly cloudy with snow showers. Little or no snow accumulation. Cold with lows 13 to 17. Chance of snow 80 percent. .MONDAY...Mostly cloudy with a 30 percent chance of snow showers. Highs in the mid 30s. .MONDAY NIGHT...Mostly cloudy. A chance of snow showers in the evening, then snow showers likely after midnight. Little or no snow accumulation. Cold with lows around 20. Temperature rising into the upper 20s after midnight. Chance of snow 60 percent. .TUESDAY...Cloudy with snow showers likely. Rain showers likely in the afternoon. Little or no snow accumulation. Breezy with highs around 40. Chance of precipitation 70 percent. .TUESDAY NIGHT...Rain showers with snow showers likely. Light snow accumulation. Breezy with lows in the upper 20s. Chance of precipitation 80 percent. .WEDNESDAY...Cloudy with snow and rain showers likely. New little or no snow accumulation. Highs around 40. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of snow showers. Rain showers likely, mainly in the evening. Little or no snow accumulation. Breezy with lows in the mid 20s. Chance of precipitation 60 percent. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow showers. A slight chance of rain showers in the morning, then a chance of rain showers in the afternoon. Highs around 40. Chance of precipitation 30 percent. .THURSDAY NIGHT...Partly cloudy. Cold with lows around 20. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 40. $$ WYZ026-061100- Upper Green River Basin- Including the cities of La Barge, Big Piney, and Farson 647 PM MST Fri Dec 5 2025 .TONIGHT...Snow showers. Patchy blowing snow after midnight. Snow accumulation up to 6 inches. Windy with lows around 30. West winds 20 to 30 mph. Gusts up to 45 mph after midnight. Chance of snow 80 percent. .SATURDAY...Partly cloudy. A chance of snow showers in the morning. Breezy with highs in the upper 30s. Temperature falling to around 30 in the afternoon. West winds 20 to 25 mph with gusts up to 45 mph. Chance of snow 30 percent. .SATURDAY NIGHT...Partly cloudy. Cold with lows 12 to 16. West winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY...Partly cloudy. Highs in the lower 30s. West winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cold with lows 13 to 19. West winds around 10 mph with gusts up to 25 mph. .MONDAY...Partly cloudy. Highs in the upper 30s. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Breezy with lows in the lower 20s. .TUESDAY...Mostly cloudy with a chance of snow showers. A chance of rain showers in the afternoon. Breezy with highs in the lower 40s. Chance of precipitation 30 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of rain showers. A slight chance of snow showers in the evening, then a chance of snow showers after midnight. Breezy with lows around 30. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy with a chance of rain and snow showers. Breezy with highs in the mid 40s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain and snow showers in the evening. Breezy with lows around 30. Chance of precipitation 30 percent. .THURSDAY...Partly cloudy and breezy. Highs in the lower 40s. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 20s. .FRIDAY...Partly cloudy. Highs in the mid 40s. $$ WYZ010-061100- Northeast Johnson County- Including the city of Buffalo 647 PM MST Fri Dec 5 2025 .TONIGHT...Mostly cloudy with scattered snow showers. Lows in the mid 20s. South winds around 10 mph, becoming west after midnight. Chance of snow 30 percent. .SATURDAY...Partly cloudy and breezy. Highs in the upper 30s. Northwest winds 20 to 25 mph with gusts up to 45 mph. .SATURDAY NIGHT...Mostly cloudy. Lows in the lower 20s. Southwest winds around 10 mph. .SUNDAY...Partly cloudy. Highs around 40. West winds around 10 mph with gusts up to 20 mph. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s. Southwest winds around 10 mph with gusts up to 20 mph. .MONDAY...Partly cloudy. Highs in the mid 40s. .MONDAY NIGHT...Mostly cloudy. Lows in the upper 20s. Temperature rising into the upper 30s after midnight. .TUESDAY...Mostly cloudy. A chance of rain showers in the afternoon. Breezy with highs around 50. Temperature falling into the lower 40s in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Little or no snow accumulation. Lows in the upper 20s. Chance of precipitation 50 percent. .WEDNESDAY...Mostly cloudy with a chance of rain and snow showers. Highs in the mid 40s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Lows in the mid 20s. Chance of precipitation 40 percent. .THURSDAY...Mostly cloudy with a chance of rain and snow showers. Highs in the lower 40s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Mostly cloudy with a chance of snow showers. A chance of rain showers, mainly in the evening. Cold with lows around 20. Chance of precipitation 30 percent. .FRIDAY...Mostly cloudy. A slight chance of snow showers in the morning. Highs in the mid 30s. Chance of snow 20 percent. $$ WYZ011-061100- Southeast Johnson County- Including the city of Kaycee 647 PM MST Fri Dec 5 2025 .TONIGHT...Mostly cloudy with scattered snow showers. Lows in the mid 20s. South winds 10 to 15 mph, becoming southwest after midnight. Gusts up to 30 mph. Chance of snow 30 percent. .SATURDAY...Partly cloudy and breezy. Highs in the upper 30s. West winds 15 to 20 mph, becoming north in the afternoon. Gusts up to 45 mph. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cold with lows around 20. Southwest winds around 10 mph. .SUNDAY...Partly cloudy. Highs around 40. West winds 10 to 15 mph. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 40s. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Breezy with lows in the upper 20s. Temperature rising into the upper 30s after midnight. .TUESDAY...Mostly cloudy. A slight chance of rain showers in the afternoon. Breezy with highs in the lower 50s. Temperature falling into the lower 40s in the afternoon. Chance of rain 20 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Lows in the upper 20s. Chance of precipitation 40 percent. .WEDNESDAY...Mostly cloudy with a chance of rain and snow showers. Highs in the upper 40s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Lows in the mid 20s. Chance of precipitation 30 percent. .THURSDAY...Mostly cloudy with a chance of rain and snow showers in the morning, then partly cloudy with a slight chance of rain and snow showers in the afternoon. Highs in the lower 40s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of rain and snow showers. Cold with lows around 20. Chance of precipitation 20 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 30s. $$ WYZ027-061100- South Lincoln County- Including the cities of Kemmerer and Cokeville 647 PM MST Fri Dec 5 2025 .TONIGHT...Snow showers. Areas of blowing snow. Isolated rain showers after midnight. Snow accumulation up to 6 inches. Windy with lows around 30. West winds 25 to 35 mph with gusts up to 50 mph. Chance of precipitation 80 percent. .SATURDAY...Mostly cloudy with a chance of snow showers in the morning, then partly cloudy in the afternoon. Windy with highs in the mid 30s. West winds 20 to 30 mph. Gusts up to 55 mph, decreasing to 45 mph in the afternoon. Chance of snow 30 percent. .SATURDAY NIGHT...Partly cloudy and breezy, cold with lows 15 to 19. West winds 15 to 20 mph with gusts up to 30 mph. .SUNDAY...Partly cloudy. Highs in the lower 30s. West winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT...Mostly cloudy with a 30 percent chance of snow showers. Lows in the lower 20s. West winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Mostly cloudy in the morning, then becoming partly cloudy. Breezy with highs in the mid 30s. .MONDAY NIGHT...Mostly cloudy and breezy. Lows in the mid 20s. .TUESDAY...Mostly cloudy with a chance of snow and rain showers. Windy with highs around 40. Chance of precipitation 30 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of rain showers. A slight chance of snow showers after midnight. Windy. Near steady temperature in the mid 30s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy with a chance of rain showers. A chance of snow showers, mainly in the morning. Windy with highs in the mid 40s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A chance of rain showers. A slight chance of snow showers after midnight. Breezy with lows around 30. Chance of precipitation 30 percent. .THURSDAY...Partly cloudy and breezy. Highs in the lower 40s. .THURSDAY NIGHT...Partly cloudy and breezy. Lows in the upper 20s. .FRIDAY...Partly cloudy. Highs in the mid 40s. $$ WYZ016-061100- Upper Wind River Basin- Including the city of Dubois 647 PM MST Fri Dec 5 2025 .TONIGHT...Snow showers. Areas of blowing snow after midnight. Snow accumulation up to 6 inches. Windy with lows around 30. Northwest winds 15 to 20 mph with gusts up to 40 mph, becoming west 20 to 30 mph with gusts up to 55 mph after midnight. Chance of snow 80 percent. .SATURDAY...Partly cloudy with snow showers likely in the morning, then mostly sunny with a chance of snow showers in the afternoon. New snow accumulation up to 2 inches. Very windy with highs in the mid 30s. West winds 30 to 40 mph with gusts up to 65 mph. Chance of snow 60 percent. .SATURDAY NIGHT...Mostly clear with a chance of snow showers in the evening, then partly cloudy after midnight. Breezy, cold with lows around 20. West winds 15 to 25 mph with gusts up to 35 mph. Chance of snow 30 percent. .SUNDAY...Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the mid 30s. West winds 15 to 25 mph with gusts up to 35 mph. .SUNDAY NIGHT...Partly cloudy. Snow showers likely, mainly in the evening. Little or no snow accumulation. Breezy with lows in the lower 20s. West winds 15 to 25 mph with gusts up to 40 mph. Chance of snow 60 percent. .MONDAY...Partly cloudy. A chance of snow showers in the morning. Breezy with highs in the upper 30s. Chance of snow 30 percent. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A 30 percent chance of snow showers. Windy with lows in the upper 20s. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Snow showers likely. A chance of rain showers in the morning, then rain showers likely in the afternoon. Little or no snow accumulation. Very windy with highs in the mid 40s. Chance of precipitation 60 percent. .TUESDAY NIGHT...Snow showers. Rain showers. Light snow accumulation. Windy with lows in the lower 30s. Chance of precipitation 80 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Snow and rain showers likely. New little or no snow accumulation. Windy with highs in the mid 40s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Partly cloudy. Rain and snow showers likely, mainly in the evening. Little or no snow accumulation. Windy with lows around 30. Chance of precipitation 60 percent. .THURSDAY...Partly cloudy in the morning, then clearing. A chance of rain and snow showers. Windy with highs in the lower 40s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Partly cloudy. A chance of snow showers with a slight chance of rain showers in the evening. Breezy with lows in the mid 20s. Chance of precipitation 30 percent. .FRIDAY...Partly cloudy and breezy. Highs in the lower 40s. $$ WYZ001-061100- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 647 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST SATURDAY... .TONIGHT...Snow showers. Blowing snow this evening. Patchy blowing snow after midnight. Snow may be heavy at times this evening. Visibility one quarter mile or less at times. Snow accumulation of 1 to 12 inches. Breezy with lows in the lower 20s. West winds 15 to 25 mph with gusts up to 45 mph. Chance of snow 90 percent. .SATURDAY...Snow showers. New snow accumulation up to 9 inches. Breezy with highs in the upper 20s. West winds 15 to 20 mph. Gusts up to 45 mph, decreasing to 35 mph in the afternoon. Chance of snow 80 percent. .SATURDAY NIGHT...Mostly cloudy with snow showers. Storm total snow accumulation of 4 to 8 inches. Cold with lows 11 to 17. West winds 10 to 15 mph with gusts up to 35 mph. Chance of snow 80 percent. .SUNDAY...Mostly cloudy with snow showers. New little or no snow accumulation. Highs in the mid 20s. Southwest winds 10 to 15 mph with gusts up to 35 mph. Chance of snow 90 percent. .SUNDAY NIGHT...Cloudy with snow showers. Light snow accumulation. Cold. Near steady temperature in the lower 20s. Southwest winds 10 to 15 mph with gusts up to 35 mph. Chance of snow 90 percent. .MONDAY...Cloudy with snow showers. New light snow accumulation. Highs in the upper 20s. Chance of snow 80 percent. .MONDAY NIGHT...Snow showers. New light snow accumulation. Breezy with lows in the mid 20s. Chance of snow 80 percent. .TUESDAY...Snow showers. New moderate snow accumulation. Breezy with highs in the lower 30s. Chance of snow 80 percent. .TUESDAY NIGHT...Snow showers. New light snow accumulation. Breezy with lows in the mid 20s. Chance of snow 80 percent. .WEDNESDAY...Snow showers. Rain showers likely in the afternoon. New light snow accumulation. Breezy with highs in the mid 30s. Chance of precipitation 80 percent. .WEDNESDAY NIGHT...A chance of rain showers in the evening. Mostly cloudy with snow showers likely. New light snow accumulation possible. Breezy with lows in the lower 20s. Chance of precipitation 60 percent. .THURSDAY...Mostly cloudy with snow showers likely. New light snow accumulation possible. Breezy with highs in the lower 30s. Chance of snow 60 percent. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of snow showers. Cold with lows around 20. .FRIDAY...Mostly cloudy with a 30 percent chance of snow showers. Highs in the lower 30s. $$ WYZ029-061100- Flaming Gorge- 647 PM MST Fri Dec 5 2025 .TONIGHT...Cloudy. Numerous snow showers this evening, then a chance of snow and rain showers after midnight. Snow accumulation up to 2 inches. Windy with lows around 30. Southwest winds 15 to 20 mph with gusts up to 30 mph, becoming west 20 to 30 mph with gusts up to 50 mph after midnight. Chance of precipitation 60 percent. .SATURDAY...Mostly cloudy in the morning, then becoming partly cloudy. Windy with highs in the upper 30s. West winds 20 to 30 mph with gusts up to 55 mph. .SATURDAY NIGHT...Partly cloudy and breezy. Lows in the lower 20s. West winds 15 to 25 mph with gusts up to 35 mph. .SUNDAY...Partly cloudy and breezy. Highs in the mid 30s. West winds 15 to 20 mph with gusts up to 30 mph. .SUNDAY NIGHT...Mostly cloudy. Lows in the lower 20s. Southwest winds 10 to 15 mph. .MONDAY...Mostly cloudy in the morning, then becoming partly cloudy. Breezy with highs in the upper 30s. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 20s. .TUESDAY...Mostly cloudy and breezy. Highs in the mid 40s. .TUESDAY NIGHT...Mostly cloudy and breezy. Near steady temperature in the upper 30s. .WEDNESDAY...Mostly cloudy and breezy. Highs in the upper 40s. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Breezy with lows in the mid 30s. .THURSDAY...Partly cloudy and breezy. Highs in the upper 40s. .THURSDAY NIGHT...Partly cloudy and breezy. Lows in the lower 30s. .FRIDAY...Partly cloudy. Highs in the upper 40s. $$ WYZ022-061100- Casper Mountain- 647 PM MST Fri Dec 5 2025 .TONIGHT...Numerous snow showers. Areas of blowing snow. Snow accumulation up to 1 inch. Windy with lows in the mid 20s. Temperature rising into the lower 30s after midnight. Southwest winds 20 to 30 mph. Gusts up to 50 mph, increasing to 60 mph after midnight. Chance of snow 60 percent. .SATURDAY...Mostly cloudy. A chance of snow showers in the morning. Windy with highs in the lower 30s. West winds 20 to 30 mph with gusts up to 50 mph, becoming northwest 15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of snow 30 percent. .SATURDAY NIGHT...Partly cloudy. Cold with lows 14 to 20. Southwest winds 10 to 15 mph. Gusts up to 30 mph after midnight. .SUNDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 20s. Southwest winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY NIGHT...Partly cloudy and breezy. Near steady temperature in the mid 20s. Southwest winds 15 to 25 mph with gusts up to 45 mph. .MONDAY...Mostly sunny and breezy. Highs in the lower 30s. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Windy with lows in the mid 20s. .TUESDAY...Mostly cloudy and windy. Highs in the upper 30s. .TUESDAY NIGHT...Mostly cloudy with a chance of snow and rain showers. Breezy with lows in the upper 20s. Chance of precipitation 40 percent. .WEDNESDAY...Mostly cloudy. A chance of rain and snow showers, mainly in the morning. Breezy with highs around 40. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Mostly cloudy. A slight chance of rain and snow showers in the evening, then a chance of rain and snow showers after midnight. Breezy with lows in the upper 20s. Chance of precipitation 30 percent. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of rain showers. A chance of snow showers, mainly in the morning. Breezy with highs in the mid 30s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of rain showers in the evening. A slight chance of snow showers. Lows in the lower 20s. Chance of precipitation 20 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 30s. $$ WYZ002-061100- Absaroka Mountains- 647 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST SATURDAY... .TONIGHT...Snow showers. Blowing snow. Snow may be heavy at times. Visibility one quarter mile or less at times. Snow accumulation up to 14 inches. Windy with lows in the lower 20s. West winds 25 to 35 mph. Gusts up to 55 mph, increasing to 65 mph after midnight. Chance of snow 90 percent. .SATURDAY...Mostly cloudy with snow showers. New snow accumulation up to 10 inches. Windy with highs in the mid 20s. West winds 25 to 35 mph. Gusts up to 65 mph, decreasing to 55 mph in the afternoon. Chance of snow 80 percent. .SATURDAY NIGHT...Partly cloudy. Snow showers likely, mainly in the evening. Storm total snow accumulation of 6 to 10 inches possible. Windy, cold with lows 11 to 19. West winds 20 to 30 mph with gusts up to 45 mph. Chance of snow 60 percent. .SUNDAY...Partly cloudy with a 30 percent chance of snow showers. Windy with highs in the lower 20s. West winds 20 to 30 mph with gusts up to 45 mph. .SUNDAY NIGHT...Mostly cloudy with snow showers likely. Little or no snow accumulation. Windy, cold with lows 15 to 23. West winds 20 to 30 mph with gusts up to 50 mph. Chance of snow 60 percent. .MONDAY...Partly cloudy in the morning, then becoming mostly cloudy. A 30 percent chance of snow showers. Windy with highs in the upper 20s. .MONDAY NIGHT...Mostly cloudy. A chance of snow showers in the evening, then snow showers likely after midnight. Light snow accumulation possible. Very windy with lows in the mid 20s. Chance of snow 60 percent. .TUESDAY...Snow showers likely in the morning, then snow showers with a chance of rain showers in the afternoon. New light snow accumulation. Very windy with highs in the lower 30s. Chance of precipitation 80 percent. .TUESDAY NIGHT...Snow showers. New moderate snow accumulation. Windy. Near steady temperature in the upper 20s. Chance of snow 80 percent. .WEDNESDAY...Snow showers. New moderate snow accumulation. Windy with highs in the mid 30s. Chance of snow 80 percent. .WEDNESDAY NIGHT...A chance of rain showers in the evening. Mostly cloudy with snow showers likely. New light snow accumulation possible. Windy with lows in the mid 20s. Chance of precipitation 60 percent. .THURSDAY...Partly cloudy with a 50 percent chance of snow showers. New light snow accumulation possible. Windy with highs around 30. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A 40 percent chance of snow showers. Breezy. Near steady temperature in the mid 20s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Breezy with highs in the lower 30s. $$ WYZ007-061100- Owl Creek and Bridger Mountains- 647 PM MST Fri Dec 5 2025 .TONIGHT...Mostly cloudy with scattered snow showers. Breezy with lows in the upper 20s. Southwest winds 15 to 20 mph, becoming west after midnight. Gusts up to 40 mph. Chance of snow 30 percent. .SATURDAY...Partly cloudy and breezy. Highs in the upper 30s. Temperature falling to around 30 in the afternoon. Northwest winds 20 to 25 mph with gusts up to 45 mph. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 20s. West winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 30s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Near steady temperature in the mid 20s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 30s. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Breezy with lows around 30. .TUESDAY...Mostly cloudy with a slight chance of snow showers. A chance of rain showers in the afternoon. Breezy with highs in the mid 40s. Temperature falling into the upper 30s in the afternoon. Chance of precipitation 30 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Breezy with lows around 30. Chance of precipitation 40 percent. .WEDNESDAY...Mostly cloudy with a chance of snow and rain showers. Highs in the lower 40s. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Breezy with lows around 30. Chance of precipitation 30 percent. .THURSDAY...Mostly cloudy with a chance of rain and snow showers in the morning, then partly cloudy with a slight chance of rain and snow showers in the afternoon. Highs in the upper 30s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Partly cloudy with a slight chance of rain and snow showers. Lows in the mid 20s. Chance of precipitation 20 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 30s. $$ WYZ008-061100- Bighorn Mountains West- 647 PM MST Fri Dec 5 2025 ...WINTER STORM WARNING IN EFFECT UNTIL 5 PM MST SATURDAY... .TONIGHT...Snow showers. Patchy blowing snow this evening. Areas of blowing snow after midnight. Snow may be heavy at times. Visibility one quarter mile or less at times. Snow accumulation up to 10 inches. Lows in the lower 20s. South winds 10 to 15 mph, becoming west after midnight. Gusts up to 35 mph. Chance of snow 80 percent. .SATURDAY...Cloudy. Snow showers likely, mainly in the morning. Snow may be heavy at times in the morning. Storm total snow accumulation of 6 to 10 inches. Breezy with highs in the upper 20s. Northwest winds 15 to 20 mph with gusts up to 40 mph. Chance of snow 60 percent. .SATURDAY NIGHT...Mostly cloudy. A chance of snow showers in the evening. Cold with lows 12 to 22. West winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 30 percent. .SUNDAY...Partly cloudy. Highs in the upper 20s. West winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY NIGHT...Partly cloudy. Cold with lows 14 to 24. Southwest winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Partly cloudy. Highs in the lower 30s. .MONDAY NIGHT...Mostly cloudy and breezy. Lows in the mid 20s. .TUESDAY...Mostly cloudy with a chance of snow showers. A chance of rain showers in the afternoon. Breezy with highs in the upper 30s. Chance of precipitation 40 percent. .TUESDAY NIGHT...Snow showers likely with a chance of rain showers. Light snow accumulation possible. Breezy with lows in the mid 20s. Chance of precipitation 60 percent. .WEDNESDAY...Cloudy with snow showers likely with a chance of rain showers. New light snow accumulation possible. Highs in the mid 30s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Mostly cloudy with snow showers likely with a chance of rain showers. New light snow accumulation possible. Lows in the mid 20s. Chance of precipitation 60 percent. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow and rain showers. Highs in the lower 30s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of rain showers in the evening. A chance of snow showers. Cold with lows 14 to 24. Chance of precipitation 30 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Highs around 30. $$ WYZ009-061100- Bighorn Mountains Southeast- 647 PM MST Fri Dec 5 2025 .TONIGHT...Partly cloudy this evening, then becoming mostly cloudy. Numerous snow showers. Patchy blowing snow. Visibility one quarter mile or less at times. Snow accumulation up to 10 inches. Breezy with lows in the lower 20s. West winds 15 to 25 mph with gusts up to 45 mph. Chance of snow 60 percent. .SATURDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Windy with highs around 30. Northwest winds 20 to 30 mph with gusts up to 55 mph. .SATURDAY NIGHT...Partly cloudy. A chance of snow showers in the evening. Breezy, cold with lows 14 to 22. West winds 15 to 20 mph. Gusts up to 35 mph after midnight. Chance of snow 30 percent. .SUNDAY...Partly cloudy and breezy. Highs in the upper 20s. West winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY NIGHT...Partly cloudy and breezy, cold with lows around 20. West winds 15 to 25 mph with gusts up to 40 mph. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the lower 30s. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Windy with lows in the mid 20s. Temperature rising into the mid 30s after midnight. .TUESDAY...Mostly cloudy. A chance of snow showers with a slight chance of rain showers in the afternoon. Windy with highs in the upper 30s. Chance of precipitation 40 percent. .TUESDAY NIGHT...Mostly cloudy with snow showers likely with a chance of rain showers. Light snow accumulation possible. Breezy with lows in the mid 20s. Chance of precipitation 60 percent. .WEDNESDAY...Mostly cloudy with a chance of snow showers. A slight chance of rain showers in the afternoon. Breezy with highs in the mid 30s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of snow and rain showers. Breezy with lows in the mid 20s. Chance of precipitation 40 percent. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow showers with a slight chance of rain showers. Breezy with highs in the lower 30s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of rain showers in the evening. A chance of snow showers. Cold with lows 15 to 21. Chance of precipitation 30 percent. .FRIDAY...Mostly cloudy with a chance of snow showers in the morning, then partly cloudy in the afternoon. Highs around 30. Chance of snow 30 percent. $$ WYZ012-061100- Teton and Gros Ventre Mountains- 647 PM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST SATURDAY... .TONIGHT...Snow showers. Blowing snow. Isolated thunderstorms after midnight. Snow may be heavy at times. Visibility one quarter mile or less at times. Snow accumulation of 1 to 17 inches. Windy with lows in the lower 20s. West winds 20 to 30 mph with gusts up to 50 mph. Chance of snow 90 percent. .SATURDAY...Snow showers. A slight chance of thunderstorms in the afternoon. New snow accumulation up to 10 inches. Breezy with highs in the mid 20s. West winds 15 to 25 mph. Gusts up to 50 mph, decreasing to 35 mph in the afternoon. Chance of snow 80 percent. .SATURDAY NIGHT...Snow showers. New snow accumulation up to 4 inches. Cold with lows 12 to 18. West winds 10 to 15 mph with gusts up to 30 mph. Chance of snow 90 percent. .SUNDAY...Snow showers. New light snow accumulation. Highs in the mid 20s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 80 percent. .SUNDAY NIGHT...Snow showers. New light snow accumulation. Cold with lows 15 to 23. Southwest winds around 10 mph with gusts up to 25 mph. Chance of snow 90 percent. .MONDAY...Snow showers. New light snow accumulation. Highs in the upper 20s. Chance of snow 80 percent. .MONDAY NIGHT...Snow showers. New moderate snow accumulation. Breezy with lows in the mid 20s. Chance of snow 80 percent. .TUESDAY...Snow showers. New moderate snow accumulation. Breezy with highs in the lower 30s. Chance of snow 80 percent. .TUESDAY NIGHT...Rain showers in the evening. Snow showers. New moderate snow accumulation. Breezy. Near steady temperature in the upper 20s. Chance of precipitation 90 percent. .WEDNESDAY...Snow showers. Rain showers in the afternoon. New moderate snow accumulation. Breezy with highs in the mid 30s. Chance of precipitation 80 percent. .WEDNESDAY NIGHT...Snow showers likely. Rain showers likely, mainly in the evening. New light snow accumulation possible. Breezy with lows in the mid 20s. Chance of precipitation 70 percent. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. Snow showers likely. New light snow accumulation possible. Breezy with highs in the lower 30s. Chance of snow 60 percent. .THURSDAY NIGHT...Mostly cloudy with a 40 percent chance of snow showers. Lows in the lower 20s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Highs in the lower 30s. $$ WYZ014-061100- Wind River Mountains West- 647 PM MST Fri Dec 5 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST SATURDAY... .TONIGHT...Snow showers. Blowing snow. Snow may be heavy at times. Visibility one quarter mile or less at times. Snow accumulation of 1 to 15 inches. Windy, cold with lows around 20. Southwest winds 20 to 25 mph with gusts up to 50 mph, becoming west 25 to 35 mph with gusts up to 60 mph after midnight. Chance of snow 90 percent. .SATURDAY...Mostly cloudy with snow showers. Storm total snow accumulation of 10 to 14 inches. Windy with highs in the mid 20s. West winds 25 to 35 mph with gusts up to 60 mph, diminishing to 20 to 25 mph with gusts up to 45 mph in the afternoon. Chance of snow 80 percent. .SATURDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in the evening. New snow accumulation up to 2 inches. Breezy, cold with lows 8 to 14 above. West winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 60 percent. .SUNDAY...Partly cloudy with a 30 percent chance of snow showers. Breezy with highs in the lower 20s. West winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY NIGHT...Mostly cloudy with snow showers likely. Little or no snow accumulation. Breezy, cold with lows 11 to 17. West winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 60 percent. .MONDAY...Mostly cloudy with a 40 percent chance of snow showers. Breezy with highs in the mid 20s. .MONDAY NIGHT...Mostly cloudy. A chance of snow showers in the evening, then snow showers likely after midnight. Little or no snow accumulation. Breezy with lows in the lower 20s. Chance of snow 60 percent. .TUESDAY...Cloudy with snow showers likely. Light snow accumulation possible. Windy with highs in the lower 30s. Chance of snow 70 percent. .TUESDAY NIGHT...Snow showers. New moderate snow accumulation. Windy. Near steady temperature in the upper 20s. Chance of snow 80 percent. .WEDNESDAY...Snow showers likely. New light snow accumulation possible. Breezy with highs in the lower 30s. Chance of snow 70 percent. .WEDNESDAY NIGHT...Mostly cloudy. Snow showers likely with a chance of rain showers in the evening, then a chance of snow showers after midnight. New light snow accumulation possible. Windy with lows in the mid 20s. Chance of precipitation 60 percent. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Breezy with highs in the lower 30s. .THURSDAY NIGHT...Partly cloudy. A chance of snow showers in the evening. Breezy, cold with lows around 20. Chance of snow 30 percent. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 20 percent chance of snow showers. Breezy with highs in the lower 30s. $$ WYZ015-061100- Wind River Mountains East- 647 PM MST Fri Dec 5 2025 .TONIGHT...Snow showers. Blowing snow. Snow may be heavy at times. Visibility one quarter mile or less at times. Snow accumulation up to 15 inches. Very windy with lows in the lower 20s. West winds 30 to 40 mph. Gusts up to 60 mph, increasing to 75 mph after midnight. Chance of snow 90 percent. .SATURDAY...Mostly cloudy in the morning, then becoming partly cloudy. Snow showers. Storm total snow accumulation of 6 to 10 inches. Very windy with highs in the upper 20s. Temperature falling to around 20 in the afternoon. West winds 30 to 40 mph with gusts up to 70 mph, diminishing to 20 to 30 mph with gusts up to 55 mph in the afternoon. Chance of snow 80 percent. .SATURDAY NIGHT...Partly cloudy. Snow showers likely in the evening. New snow accumulation up to 2 inches. Windy, cold with lows 8 to 18 above. West winds 20 to 30 mph with gusts up to 45 mph. Chance of snow 60 percent. .SUNDAY...Partly cloudy. A chance of snow showers in the morning. Windy with highs in the mid 20s. West winds 20 to 30 mph. Gusts up to 45 mph in the morning. Chance of snow 30 percent. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Snow showers likely. Little or no snow accumulation. Windy, cold with lows 12 to 22. West winds 20 to 30 mph with gusts up to 45 mph. Chance of snow 60 percent. .MONDAY...Partly cloudy with a 30 percent chance of snow showers. Windy with highs in the upper 20s. .MONDAY NIGHT...Mostly cloudy. A chance of snow showers in the evening, then snow showers likely after midnight. Little or no snow accumulation. Very windy with lows in the lower 20s. Chance of snow 60 percent. .TUESDAY...Mostly cloudy with snow showers likely. A chance of rain showers in the afternoon. Light snow accumulation possible. Very windy with highs in the mid 30s. Chance of precipitation 60 percent. .TUESDAY NIGHT...Snow showers with a chance of rain showers in the evening, then snow showers after midnight. New moderate snow accumulation. Very windy. Near steady temperature in the upper 20s. Chance of precipitation 80 percent. .WEDNESDAY...Mostly cloudy with snow showers likely. A chance of rain showers in the afternoon. New light snow accumulation possible. Windy with highs in the mid 30s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain showers. Snow showers likely, mainly in the evening. New light snow accumulation possible. Very windy with lows in the mid 20s. Chance of precipitation 60 percent. .THURSDAY...Partly cloudy with a 30 percent chance of snow showers. Windy with highs in the lower 30s. .THURSDAY NIGHT...Partly cloudy. A chance of snow showers in the evening. Windy with lows in the lower 20s. Chance of snow 30 percent. .FRIDAY...Partly cloudy with a 20 percent chance of snow showers. Windy with highs in the lower 30s. $$ WYZ019-061100- Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 647 PM MST Fri Dec 5 2025 .TONIGHT...Mostly cloudy with numerous snow showers. Patchy blowing snow this evening. Areas of blowing snow after midnight. Snow accumulation up to 4 inches. Windy with lows in the upper 20s. Southwest winds 20 to 30 mph with gusts up to 60 mph. Chance of snow 70 percent. .SATURDAY...Partly cloudy and windy. Highs in the upper 30s. West winds 20 to 30 mph. Gusts up to 55 mph, decreasing to 45 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy and breezy, cold with lows 15 to 21. West winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY...Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the lower 30s. West winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Breezy with lows in the lower 20s. Southwest winds 15 to 25 mph with gusts up to 45 mph. .MONDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the upper 30s. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Windy with lows in the mid 20s. .TUESDAY...Mostly cloudy and windy. Highs in the mid 40s. .TUESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers. Windy with lows in the lower 30s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy. A chance of rain and snow showers, mainly in the morning. Breezy with highs in the mid 40s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Mostly cloudy with a slight chance of rain and snow showers. Windy with lows in the lower 30s. Chance of precipitation 20 percent. .THURSDAY...Partly cloudy and breezy. Highs in the lower 40s. .THURSDAY NIGHT...Partly cloudy and breezy. Lows in the mid 20s. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Breezy with highs in the lower 40s. $$ WYZ024-061100- Salt River and Wyoming Ranges- 647 PM MST Fri Dec 5 2025 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 2 PM MST SATURDAY... .TONIGHT...Snow showers. Blowing snow. A slight chance of thunderstorms after midnight. Snow may be heavy at times. Visibility one quarter mile or less at times. Snow accumulation of 2 to 16 inches. Windy with lows in the mid 20s. West winds 25 to 35 mph with gusts up to 60 mph. Chance of snow 90 percent. .SATURDAY...Cloudy with snow showers. New snow accumulation up to 8 inches. Windy with highs in the upper 20s. West winds 25 to 35 mph with gusts up to 60 mph, diminishing to 20 to 25 mph with gusts up to 45 mph in the afternoon. Chance of snow 80 percent. .SATURDAY NIGHT...Mostly cloudy. Snow showers, mainly in the evening. Storm total snow accumulation of 10 to 14 inches. Breezy, cold with lows 13 to 19. West winds 15 to 20 mph with gusts up to 45 mph. Chance of snow 80 percent. .SUNDAY...Mostly cloudy with snow showers likely. New little or no snow accumulation. Breezy with highs in the upper 20s. West winds 15 to 20 mph. Gusts up to 40 mph, decreasing to 30 mph in the afternoon. Chance of snow 60 percent. .SUNDAY NIGHT...Snow showers. Light snow accumulation. Breezy, cold with lows 16 to 22. West winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 90 percent. .MONDAY...Mostly cloudy with snow showers. New little or no snow accumulation. Breezy with highs around 30. Chance of snow 80 percent. .MONDAY NIGHT...Mostly cloudy with snow showers likely. Light snow accumulation possible. Breezy with lows in the mid 20s. Chance of snow 70 percent. .TUESDAY...Snow showers likely. Rain showers likely in the afternoon. New light snow accumulation possible. Windy with highs in the mid 30s. Chance of precipitation 70 percent. .TUESDAY NIGHT...Snow showers. Rain showers. New light snow accumulation. Windy. Near steady temperature in the lower 30s. Chance of precipitation 80 percent. .WEDNESDAY...Rain showers likely. Snow showers. New light snow accumulation. Windy with highs in the mid 30s. Chance of precipitation 80 percent. .WEDNESDAY NIGHT...Mostly cloudy. Snow and rain showers likely, mainly in the evening. New light snow accumulation possible. Windy with lows in the upper 20s. Chance of precipitation 60 percent. .THURSDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow showers. A slight chance of rain showers in the morning, then a chance of rain showers in the afternoon. Breezy with highs in the mid 30s. Chance of precipitation 40 percent. .THURSDAY NIGHT...Partly cloudy. A chance of snow showers in the evening. Breezy with lows in the lower 20s. Chance of snow 30 percent. .FRIDAY...Partly cloudy. A chance of snow showers in the morning. Highs in the mid 30s. Chance of snow 30 percent. $$ WYZ030-061100- East Sweetwater County- Including the city of Wamsutter 647 PM MST Fri Dec 5 2025 .TONIGHT...Cloudy with numerous snow showers. Patchy blowing snow. Snow accumulation up to 3 inches. Windy with lows in the upper 20s. Southwest winds 15 to 25 mph with gusts up to 40 mph, increasing to west 25 to 35 mph with gusts up to 55 mph after midnight. Chance of snow 60 percent. .SATURDAY...Partly cloudy and windy. Highs in the mid 30s. West winds 25 to 35 mph with gusts up to 60 mph. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Breezy, cold with lows around 19. West winds 15 to 25 mph with gusts up to 35 mph. .SUNDAY...Partly cloudy and breezy. Highs in the lower 30s. West winds 15 to 20 mph with gusts up to 30 mph. .SUNDAY NIGHT...Mostly cloudy. Lows around 20. Southwest winds 10 to 15 mph with gusts up to 30 mph. .MONDAY...Partly cloudy and breezy. Highs in the mid 30s. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Breezy with lows in the mid 20s. .TUESDAY...Mostly cloudy and breezy. Highs around 40. .TUESDAY NIGHT...Mostly cloudy. A slight chance of. Windy with lows in the lower 30s. .WEDNESDAY...Mostly cloudy and breezy. Highs in the mid 40s. .WEDNESDAY NIGHT...Mostly cloudy and breezy. Lows in the lower 30s. .THURSDAY...Partly cloudy and breezy. Highs in the mid 40s. .THURSDAY NIGHT...Partly cloudy and breezy. Lows around 30. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Breezy with highs in the mid 40s. $$