Zone Forecast Product
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
705 FPUS55 KRIW 162022 ZFPRIW Zone Forecast Product for Western and Central Wyoming National Weather Service Riverton WY 219 PM MDT Sat May 16 2026 WYZ020-162200- Natrona County Lower Elevations- Including the city of Casper 219 PM MDT Sat May 16 2026 ...WINTER STORM WARNING IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Mostly cloudy and breezy. Highs in the mid 70s. Southwest winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT...Cloudy. A chance of showers in the evening. Breezy with lows around 40. Southwest winds 15 to 20 mph, becoming west 10 to 15 mph after midnight. Chance of rain 30 percent. .SUNDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the upper 50s. North winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent. .SUNDAY NIGHT...A slight chance of thunderstorms. Rain and snow showers. Little or no snow accumulation. Breezy with lows in the upper 20s. Northeast winds 15 to 25 mph with gusts up to 45 mph. Chance of precipitation 80 percent. .MONDAY...Snow showers in the morning, then snow showers with a slight chance of thunderstorms in the afternoon. Snow may be heavy at times in the morning. Moderate snow accumulation. Windy, cooler with highs in the mid 30s. Northeast winds 20 to 30 mph with gusts up to 45 mph. Chance of snow near 100 percent. .MONDAY NIGHT...Cloudy. Snow showers likely with a slight chance of rain showers in the evening, then a slight chance of snow showers after midnight. New little or no snow accumulation. Lows in the mid 20s. Chance of precipitation 60 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 40s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 20s. .WEDNESDAY...Mostly sunny. Highs in the upper 50s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 30s. .THURSDAY...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs around 60. Chance of rain 30 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. .FRIDAY...Partly cloudy. A slight chance of. Highs around 70. $$ WYZ017-162200- Wind River Basin- Including the cities of Riverton and Shoshoni 219 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Mostly cloudy and breezy. Highs in the lower 70s. Southwest winds 15 to 20 mph with gusts up to 35 mph. .TONIGHT...Cloudy in the evening, then becoming partly cloudy. Breezy with lows around 40. Northwest winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY...Mostly cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the mid 50s. North winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 30 percent. .SUNDAY NIGHT...Rain and snow showers. Light snow accumulation. Breezy with lows around 30. North winds 15 to 25 mph with gusts up to 50 mph. Chance of precipitation 90 percent. .MONDAY...Snow showers in the morning, then snow showers, rain showers with a slight chance of thunderstorms in the afternoon. Snow may be heavy at times in the morning. New light snow accumulation. Windy with highs around 40. North winds 20 to 30 mph with gusts up to 50 mph, diminishing to 15 to 20 mph with gusts up to 40 mph in the afternoon. Chance of precipitation 90 percent. .MONDAY NIGHT...Mostly cloudy. A chance of snow and rain showers in the evening. Lows in the mid 20s. Chance of precipitation 30 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 40s. .TUESDAY NIGHT...Partly cloudy. Lows around 30. .WEDNESDAY...Mostly sunny. Highs in the upper 50s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s. .THURSDAY...Partly cloudy. Highs in the lower 60s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. .FRIDAY...Partly cloudy. Highs around 70. $$ WYZ018-162200- Lander Foothills- Including the city of Lander 219 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Mostly cloudy and breezy. Highs in the lower 70s. Southwest winds 15 to 20 mph with gusts up to 35 mph. .TONIGHT...Cloudy in the evening, then becoming partly cloudy. Breezy with lows in the upper 30s. West winds 15 to 20 mph. Gusts up to 35 mph in the evening. .SUNDAY...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 50s. North winds 10 to 15 mph. Chance of rain 50 percent. .SUNDAY NIGHT...Rain showers. Snow showers. Light snow accumulation. Breezy with lows in the upper 20s. North winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 90 percent. .MONDAY...Snow showers in the morning, then snow showers, rain showers with a slight chance of thunderstorms in the afternoon. Snow may be heavy at times in the morning. New heavy snow accumulation. Breezy, cooler with highs in the mid 30s. North winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 90 percent. .MONDAY NIGHT...Cloudy. Snow showers likely with a chance of rain showers in the evening, then a slight chance of snow showers after midnight. New little or no snow accumulation. Lows in the mid 20s. Chance of precipitation 60 percent. .TUESDAY...Mostly cloudy in the morning, then partly cloudy with a chance of rain showers, snow showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 40s. Chance of precipitation 30 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 20s. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 50s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 30s. .THURSDAY...Partly cloudy with a slight chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs around 60. Chance of rain 20 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .FRIDAY...Partly cloudy. Highs around 70. $$ WYZ028-162200- Rock Springs and Green River- Including the cities of Rock Springs and Green River 219 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Cloudy with a chance of showers with a slight chance of thunderstorms. Breezy. Near steady temperature in the mid 60s. West winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 30 percent. .TONIGHT...Mostly cloudy and breezy. Lows in the lower 30s. West winds 15 to 25 mph with gusts up to 35 mph. .SUNDAY...Mostly cloudy. Snow showers with possible rain showers and thunderstorms likely in the afternoon. Snow accumulation up to 1 inch. Highs around 50. West winds 10 to 15 mph. Chance of precipitation 80 percent. .SUNDAY NIGHT...Snow showers. Rain showers with a slight chance of thunderstorms in the evening, then rain showers after midnight. Light snow accumulation. Windy with lows in the upper 20s. North winds 25 to 30 mph with gusts up to 50 mph, becoming northeast 25 to 35 mph with gusts up to 60 mph after midnight. Chance of precipitation 90 percent. .MONDAY...Cloudy. Snow showers in the morning, then snow showers with a slight chance of thunderstorms in the afternoon. New light snow accumulation. Windy with highs around 40. Northeast winds 25 to 35 mph with gusts up to 60 mph, diminishing to 15 to 20 mph with gusts up to 40 mph in the afternoon. Chance of snow 90 percent. .MONDAY NIGHT...Mostly cloudy. A chance of snow showers with a slight chance of rain showers in the evening. Lows in the lower 20s. Chance of precipitation 30 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 50. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 20s. .WEDNESDAY...Mostly sunny. Highs in the upper 50s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 30s. .THURSDAY...Partly cloudy. A slight chance of. Highs in the lower 60s. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .FRIDAY...Mostly sunny. Highs around 70. $$ WYZ013-162200- Jackson Hole- Including the city of Jackson 219 PM MDT Sat May 16 2026 .THIS AFTERNOON...Cloudy, breezy. Near steady temperature in the mid 50s. Southwest winds 15 to 20 mph with gusts up to 35 mph. .TONIGHT...Partly cloudy and breezy. Lows in the upper 20s. Southwest winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY...Partly cloudy in the morning, then mostly cloudy with a chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 40s. Southwest winds around 10 mph, becoming northwest with gusts up to 25 mph in the afternoon. Chance of snow 30 percent. .SUNDAY NIGHT...Snow showers with a chance of rain showers in the evening, then snow showers likely after midnight. Little or no snow accumulation. Breezy with lows around 30. North winds 15 to 20 mph with gusts up to 40 mph. Chance of precipitation 80 percent. .MONDAY...Cloudy with snow showers likely. A slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Breezy with highs in the mid 40s. Northeast winds 20 to 25 mph with gusts up to 40 mph, diminishing to 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of snow 60 percent. .MONDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A chance of rain showers in the evening. A chance of snow showers. Lows in the mid 20s. Chance of precipitation 40 percent. .TUESDAY...Partly cloudy with a chance of snow showers. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 20s. .WEDNESDAY...Partly cloudy. A slight chance of rain showers, thunderstorms and snow showers in the afternoon. Highs in the upper 50s. Chance of precipitation 20 percent. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of rain showers in the evening. Lows in the lower 30s. Chance of rain 20 percent. .THURSDAY...Partly cloudy with a slight chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 20 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. .FRIDAY...Mostly sunny. A slight chance of rain showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 20 percent. $$ WYZ003-162200- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 219 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Mostly cloudy and breezy. Near steady temperature in the mid 60s. West winds 20 to 25 mph with gusts up to 40 mph. .TONIGHT...Mostly cloudy and windy. Lows in the mid 30s. West winds 20 to 30 mph, becoming north 25 to 30 mph after midnight. Gusts up to 50 mph. .SUNDAY...Mostly cloudy. A chance of rain showers, snow showers with a slight chance of thunderstorms in the afternoon. Windy with highs in the upper 40s. North winds 20 to 30 mph with gusts up to 50 mph. Chance of precipitation 30 percent. .SUNDAY NIGHT...Snow showers with rain showers likely. Light snow accumulation. Windy with lows in the upper 20s. North winds 25 to 35 mph with gusts up to 60 mph. Chance of precipitation 80 percent. .MONDAY...Cloudy. Snow showers in the morning, then snow showers likely with possible rain showers and thunderstorms in the afternoon. New light snow accumulation. Windy with highs around 40. North winds 25 to 35 mph with gusts up to 60 mph. Chance of precipitation 80 percent. .MONDAY NIGHT...Mostly cloudy with a chance of snow showers in the evening, then partly cloudy after midnight. Breezy with lows in the mid 20s. Chance of snow 30 percent. .TUESDAY...Partly cloudy. A slight chance of. Highs in the lower 50s. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. .WEDNESDAY...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs around 60. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy. A chance of rain showers in the evening. Lows in the upper 30s. Chance of rain 30 percent. .THURSDAY...A slight chance of snow showers in the morning. Partly cloudy with a slight chance of rain showers. Highs in the lower 60s. Chance of precipitation 20 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 40s. .FRIDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 20 percent. $$ WYZ004-162200- North Bighorn Basin- Including the cities of Basin, Greybull, Lovell, Powell, and Shell 219 PM MDT Sat May 16 2026 .THIS AFTERNOON...Mostly cloudy and breezy. Highs around 70. Southwest winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT...Cloudy in the evening, then becoming partly cloudy. Windy with lows around 40. Northwest winds 25 to 35 mph with gusts up to 50 mph. .SUNDAY...Partly cloudy and windy. Highs in the mid 50s. Northwest winds 20 to 30 mph with gusts up to 45 mph. .SUNDAY NIGHT...Cloudy. A chance of rain showers in the evening, then rain and snow showers likely after midnight. Little or no snow accumulation. Windy with lows in the lower 30s. North winds 25 to 35 mph with gusts up to 55 mph. Chance of precipitation 60 percent. .MONDAY...Cloudy with a chance of rain showers. Snow showers likely, mainly in the morning. Little or no snow accumulation. Windy with highs in the mid 40s. North winds 25 to 35 mph with gusts up to 55 mph. Chance of precipitation 60 percent. .MONDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Breezy with lows in the upper 20s. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 60. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s. .WEDNESDAY...Partly cloudy. Highs in the mid 60s. .WEDNESDAY NIGHT...Partly cloudy. Lows around 40. .THURSDAY...Partly cloudy. A slight chance of. Highs around 70. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 40s. .FRIDAY...Partly cloudy. A slight chance of. Highs in the mid 70s. $$ WYZ006-162200- Southeast Bighorn Basin- Including the cities of Ten Sleep and Worland 219 PM MDT Sat May 16 2026 .THIS AFTERNOON...Mostly cloudy. Highs in the lower 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .TONIGHT...Mostly cloudy and breezy. Lows around 40. Northwest winds 15 to 25 mph with gusts up to 40 mph. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. Breezy with highs around 60. Northwest winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY NIGHT...Cloudy. A chance of rain showers in the evening, then rain and snow showers after midnight. Little or no snow accumulation. Windy with lows in the lower 30s. Northwest winds 20 to 30 mph with gusts up to 45 mph. Chance of precipitation 80 percent. .MONDAY...Snow and rain showers. Little or no snow accumulation. Windy with highs in the mid 40s. Northwest winds 20 to 30 mph with gusts up to 50 mph. Chance of precipitation 90 percent. .MONDAY NIGHT...Mostly cloudy. A chance of rain and snow showers in the evening. Breezy with lows around 30. Chance of precipitation 30 percent. .TUESDAY...Partly cloudy. Highs in the mid 50s. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. .WEDNESDAY...Mostly sunny. Highs in the mid 60s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. .THURSDAY...Partly cloudy in the morning, then clearing. Highs in the mid 60s. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 40s. .FRIDAY...Partly cloudy. A slight chance of. Highs in the mid 70s. $$ WYZ005-162200- Southwest Bighorn Basin- Including the city of Thermopolis 219 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Mostly cloudy and breezy. Highs in the lower 70s. Southwest winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT...Mostly cloudy and breezy. Lows in the upper 30s. Northwest winds 15 to 25 mph with gusts up to 35 mph. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. Breezy, cooler with highs in the mid 50s. North winds 15 to 25 mph. Gusts up to 40 mph in the afternoon. .SUNDAY NIGHT...Rain and snow showers. Little or no snow accumulation. Windy with lows around 30. North winds 20 to 30 mph with gusts up to 50 mph. Chance of precipitation 80 percent. .MONDAY...Snow showers. Rain showers in the afternoon. Light snow accumulation. Windy with highs around 40. North winds 25 to 35 mph with gusts up to 55 mph. Chance of precipitation 80 percent. .MONDAY NIGHT...Mostly cloudy. A chance of rain and snow showers in the evening. Breezy with lows around 30. Chance of precipitation 30 percent. .TUESDAY...Partly cloudy. Highs in the lower 50s. .TUESDAY NIGHT...Partly cloudy. 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 upper 30s. .THURSDAY...Partly cloudy. A slight chance of. Highs in the mid 60s. .THURSDAY NIGHT...Partly cloudy. Lows around 40. .FRIDAY...Partly cloudy. A slight chance of. Highs in the lower 70s. $$ WYZ023-162200- Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 219 PM MDT Sat May 16 2026 .THIS AFTERNOON...Cloudy. Highs around 60. West winds 10 to 15 mph with gusts up to 25 mph. .TONIGHT...Partly cloudy. Lows around 30. West winds 10 to 15 mph with gusts up to 30 mph in the evening. .SUNDAY...Mostly cloudy. Highs around 50. Northwest winds around 10 mph in the afternoon. .SUNDAY NIGHT...Cloudy. A chance of rain and snow showers in the evening, then snow and rain showers after midnight. Little or no snow accumulation. Lows around 30. North winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 80 percent. .MONDAY...Snow showers. Rain showers with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the upper 40s. North winds around 10 mph with gusts up to 25 mph in the morning. Chance of precipitation 80 percent. .MONDAY NIGHT...Mostly cloudy. Rain showers, snow showers likely with a slight chance of thunderstorms in the evening, then a chance of snow and rain showers after midnight. Little or no snow accumulation. Lows in the upper 20s. Chance of precipitation 60 percent. .TUESDAY...Mostly cloudy with a slight chance of snow and rain showers in the morning, then partly cloudy with a chance of rain showers, snow showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent. .TUESDAY NIGHT...Partly cloudy. Lows around 30. .WEDNESDAY...Partly cloudy. A slight chance of rain showers and thunderstorms in the afternoon. Highs around 60. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 30s. .THURSDAY...Partly cloudy with a slight chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 20 percent. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .FRIDAY...Mostly sunny. A slight chance of. Highs around 70. $$ WYZ025-162200- Upper Green River Basin Foothills- Including the city of Pinedale 219 PM MDT Sat May 16 2026 .THIS AFTERNOON...Cloudy, breezy. Near steady temperature in the upper 50s. West winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Breezy with lows in the mid 20s. Northwest winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY...Cloudy. A slight chance of thunderstorms and snow showers in the afternoon. Highs around 50. Northwest winds around 10 mph. Chance of snow 20 percent. .SUNDAY NIGHT...Cloudy with snow showers. Little or no snow accumulation. Breezy with lows in the upper 20s. North winds 15 to 20 mph with gusts up to 45 mph. Chance of snow 80 percent. .MONDAY...Snow showers in the morning, then snow showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Breezy with highs in the lower 40s. Northeast winds 15 to 20 mph with gusts up to 40 mph, diminishing to around 10 mph with gusts up to 20 mph in the afternoon. Chance of snow 80 percent. .MONDAY NIGHT...A slight chance of thunderstorms in the evening. Snow showers. Light snow accumulation. Lows in the lower 20s. Chance of snow 90 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 40s. Chance of snow 30 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 20s. .WEDNESDAY...Partly cloudy. A slight chance of. Highs in the mid 50s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 20s. .THURSDAY...Partly cloudy. A slight chance of. Highs around 60. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. .FRIDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the mid 60s. $$ WYZ026-162200- Upper Green River Basin- Including the cities of La Barge, Big Piney, and Farson 219 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Cloudy, breezy with highs in the lower 60s. West winds 15 to 20 mph with gusts up to 35 mph. .TONIGHT...Cloudy in the evening, then becoming partly cloudy. Breezy with lows in the upper 20s. Northwest winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY...Cloudy. A chance of rain showers, snow showers with a slight chance of thunderstorms in the afternoon. Highs around 50. Northwest winds around 10 mph. Chance of precipitation 30 percent. .SUNDAY NIGHT...Rain showers likely in the evening. Snow showers. Light snow accumulation. Breezy with lows in the mid 20s. Northeast winds 20 to 25 mph with gusts up to 50 mph. Chance of precipitation 80 percent. .MONDAY...Cloudy. Snow showers in the morning, then snow showers likely with a slight chance of thunderstorms in the afternoon. New light snow accumulation. Breezy with highs around 40. North winds 20 to 25 mph with gusts up to 50 mph, becoming east around 10 mph with gusts up to 30 mph in the afternoon. Chance of snow 80 percent. .MONDAY NIGHT...Cloudy. Snow showers with a slight chance of thunderstorms in the evening, then snow showers likely after midnight. New little or no snow accumulation. Cold with lows around 20. Chance of snow 80 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 40s. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 20s. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 50s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. .THURSDAY...Partly cloudy. A slight chance of. Highs around 60. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. .FRIDAY...Mostly sunny. Highs in the mid 60s. $$ WYZ010-162200- Northeast Johnson County- Including the city of Buffalo 219 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Mostly cloudy. Highs in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 30 mph. .TONIGHT...Cloudy, windy with lows around 40. Northwest winds 10 to 15 mph with gusts up to 25 mph, increasing to 20 to 30 mph with gusts up to 45 mph after midnight. .SUNDAY...Mostly cloudy. A chance of rain showers in the afternoon. Windy, cooler with highs in the mid 50s. North winds 20 to 30 mph. Gusts up to 45 mph in the morning. Chance of rain 30 percent. .SUNDAY NIGHT...Cloudy. Rain showers likely in the evening, then rain and snow showers after midnight. Little or no snow accumulation. Breezy with lows in the lower 30s. North winds 20 to 25 mph with gusts up to 45 mph. Chance of precipitation 80 percent. .MONDAY...Snow and rain showers. Light snow accumulation. Windy with highs in the upper 30s. North winds 20 to 30 mph with gusts up to 45 mph. Chance of precipitation 80 percent. .MONDAY NIGHT...Mostly cloudy. A chance of rain and snow showers in the evening. Breezy with lows around 30. Chance of precipitation 30 percent. .TUESDAY...Partly cloudy. A chance of rain showers, a slight chance of thunderstorms and snow showers in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 30s. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the lower 60s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 30s. .THURSDAY...Partly cloudy. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 30 percent. .THURSDAY NIGHT...Partly cloudy. Lows around 40. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the lower 70s. $$ WYZ011-162200- Southeast Johnson County- Including the city of Kaycee 219 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Mostly cloudy. Highs in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 30 mph. .TONIGHT...Cloudy, breezy with lows around 40. Southwest winds 10 to 15 mph, becoming north 15 to 20 mph after midnight. .SUNDAY...Mostly cloudy in the morning, then partly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Breezy, cooler with highs in the mid 50s. North winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 30 percent. .SUNDAY NIGHT...Cloudy. Rain showers likely in the evening, then rain and snow showers after midnight. Little or no snow accumulation. Breezy with lows around 30. North winds 20 to 25 mph with gusts up to 40 mph. Chance of precipitation 80 percent. .MONDAY...Snow showers in the morning, then snow showers, rain showers with a slight chance of thunderstorms in the afternoon. Light snow accumulation. Breezy, cooler with highs in the upper 30s. North winds 15 to 25 mph with gusts up to 45 mph. Chance of precipitation 90 percent. .MONDAY NIGHT...Cloudy. Snow showers likely with a chance of rain showers in the evening. New little or no snow accumulation. Breezy with lows in the upper 20s. Chance of precipitation 60 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 50. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 60s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 30s. .THURSDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 30 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. .FRIDAY...Partly cloudy. A slight chance of. Highs in the lower 70s. $$ WYZ027-162200- South Lincoln County- Including the cities of Kemmerer and Cokeville 219 PM MDT Sat May 16 2026 .THIS AFTERNOON...Cloudy, breezy with highs in the lower 60s. West winds 20 to 25 mph with gusts up to 35 mph. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Breezy with lows around 30. Northwest winds 15 to 20 mph with gusts up to 35 mph. .SUNDAY...Cloudy. A chance of snow showers, rain showers with a slight chance of thunderstorms in the afternoon. Highs around 50. Northwest winds 10 to 15 mph. Chance of precipitation 30 percent. .SUNDAY NIGHT...Snow and rain showers in the evening, then snow showers with a slight chance of rain showers after midnight. Light snow accumulation. Breezy with lows in the upper 20s. North winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 90 percent. .MONDAY...Snow showers in the morning, then snow showers, rain showers likely with a slight chance of thunderstorms in the afternoon. New light snow accumulation. Highs around 40. North winds 10 to 15 mph with gusts up to 30 mph, becoming southeast in the afternoon. Chance of precipitation 90 percent. .MONDAY NIGHT...Cloudy. Snow showers likely with a chance of rain showers in the evening, then a chance of snow showers after midnight. New little or no snow accumulation. Lows in the lower 20s. Chance of precipitation 60 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 40s. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 20s. .WEDNESDAY...Mostly sunny. Highs in the mid 50s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. .THURSDAY...Partly cloudy. Highs around 60. .THURSDAY NIGHT...Mostly clear. Lows in the lower 30s. .FRIDAY...Mostly sunny. Highs in the mid 60s. $$ WYZ016-162200- Upper Wind River Basin- Including the city of Dubois 219 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Mostly cloudy and breezy. Near steady temperature around 60. Southwest winds 15 to 25 mph with gusts up to 35 mph. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Breezy with lows in the lower 30s. Northwest winds 15 to 25 mph with gusts up to 35 mph. .SUNDAY...Partly cloudy in the morning, then cloudy with snow showers, rain showers likely with a slight chance of thunderstorms in the afternoon. Snow accumulation up to 1 inch. Highs in the upper 40s. Northwest winds 10 to 15 mph, becoming east in the afternoon. Chance of precipitation 70 percent. .SUNDAY NIGHT...Rain showers in the evening. Snow showers. Light snow accumulation. Breezy with lows in the upper 20s. Northeast winds 15 to 20 mph with gusts up to 40 mph. Chance of precipitation 80 percent. .MONDAY...Snow showers. A slight chance of thunderstorms in the afternoon. New light snow accumulation. Breezy with highs in the upper 30s. East winds 15 to 20 mph. Gusts up to 40 mph in the morning. Chance of snow 80 percent. .MONDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in the evening. New little or no snow accumulation. Lows in the mid 20s. Chance of snow 60 percent. .TUESDAY...Partly cloudy. A chance of snow showers, a slight chance of rain showers and thunderstorms in the afternoon. Highs in the mid 40s. Chance of precipitation 40 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 20s. .WEDNESDAY...Partly cloudy. A chance of snow showers, a slight chance of rain showers and thunderstorms in the afternoon. Highs in the mid 50s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Partly cloudy. A chance of rain and snow showers in the evening. Lows in the lower 30s. Chance of precipitation 30 percent. .THURSDAY...Partly cloudy with a slight chance of rain showers. A slight chance of snow showers in the morning, then a slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of precipitation 20 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. .FRIDAY...Partly cloudy. A slight chance of. Breezy with highs in the mid 60s. $$ WYZ001-162200- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 219 PM MDT Sat May 16 2026 .THIS AFTERNOON...Mostly cloudy and breezy. Near steady temperature in the upper 40s. Southwest winds 20 to 25 mph with gusts up to 40 mph. .TONIGHT...Partly cloudy with a chance of rain showers, snow showers with a slight chance of thunderstorms in the evening, then mostly cloudy with snow showers likely after midnight. Snow accumulation up to 3 inches. Breezy with lows in the mid 20s. Southwest winds 20 to 25 mph with gusts up to 40 mph, becoming west around 10 mph with gusts up to 25 mph after midnight. Chance of precipitation 60 percent. .SUNDAY...Mostly cloudy with a chance of snow showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 30s. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. Chance of snow 30 percent. .SUNDAY NIGHT...Cloudy. Snow showers likely, mainly in the evening. Little or no snow accumulation. Breezy with lows in the lower 20s. North winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 60 percent. .MONDAY...Mostly cloudy. Snow showers likely, mainly in the morning. Little or no snow accumulation. Breezy with highs in the mid 30s. Northeast winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 60 percent. .MONDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cold with lows 16 to 22. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the mid 40s. .TUESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 20s. .WEDNESDAY...Partly cloudy. A chance of snow showers, rain showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 40s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Mostly cloudy with a chance of rain and snow showers in the evening, then partly cloudy after midnight. Lows in the upper 20s. Chance of precipitation 30 percent. .THURSDAY...Partly cloudy. A slight chance of. Highs in the lower 50s. .THURSDAY NIGHT...Partly cloudy. Lows around 30. .FRIDAY...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of rain 30 percent. $$ WYZ029-162200- Flaming Gorge- 219 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Breezy with highs in the mid 60s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent. .TONIGHT...Cloudy with a chance of rain showers in the evening, then partly cloudy after midnight. Breezy with lows in the mid 30s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent. .SUNDAY...Mostly cloudy. A chance of snow showers in the morning, then rain showers with possible snow showers and thunderstorms likely in the afternoon. Snow accumulation up to 1 inch. Highs around 50. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 80 percent. .SUNDAY NIGHT...Snow showers with a slight chance of thunderstorms. Rain showers. Light snow accumulation. Windy with lows around 30. North winds 20 to 25 mph with gusts up to 45 mph, becoming northeast 25 to 35 mph with gusts up to 55 mph after midnight. Chance of precipitation 90 percent. .MONDAY...A slight chance of thunderstorms. Snow showers. Snow may be heavy at times in the morning. New moderate snow accumulation. Windy with highs in the upper 30s. Northeast winds 25 to 35 mph with gusts up to 55 mph, diminishing to 20 to 25 mph with gusts up to 35 mph in the afternoon. Chance of snow 90 percent. .MONDAY NIGHT...Mostly cloudy. A chance of snow showers with a slight chance of rain showers in the evening. Lows in the mid 20s. Chance of precipitation 30 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of. Highs in the upper 40s. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. .WEDNESDAY...Mostly sunny. Highs in the upper 50s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .THURSDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the lower 60s. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. .FRIDAY...Mostly sunny. Highs in the upper 60s. $$ WYZ022-162200- Casper Mountain- 219 PM MDT Sat May 16 2026 ...WINTER STORM WARNING IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Mostly cloudy. Highs in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 30 mph. .TONIGHT...A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows around 40. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent. .SUNDAY...Partly cloudy in the morning, then mostly cloudy with a chance of showers, snow showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the lower 50s. Northwest winds around 10 mph with gusts up to 20 mph, becoming north 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance of precipitation 40 percent. .SUNDAY NIGHT...A slight chance of thunderstorms. Rain and snow showers. Snow may be heavy at times after midnight. Moderate snow accumulation. Breezy with lows in the mid 20s. Northeast winds 15 to 25 mph with gusts up to 40 mph. Chance of precipitation 90 percent. .MONDAY...A slight chance of thunderstorms. Snow showers. Snow may be heavy at times in the morning. New heavy snow accumulation. Windy, cooler with highs in the lower 30s. Northeast winds 20 to 30 mph, becoming north 15 to 20 mph in the afternoon. Chance of snow near 100 percent. .MONDAY NIGHT...Cloudy. Snow showers likely, mainly in the evening. New little or no snow accumulation. Cold with lows around 20. Chance of snow 60 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 30s. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 20s. .WEDNESDAY...Partly cloudy in the morning, then clearing. Highs in the upper 40s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 30s. .THURSDAY...Partly cloudy. A slight chance of rain and snow showers in the morning, then a chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. .FRIDAY...Partly cloudy. A slight chance of. Highs in the lower 60s. $$ WYZ002-162200- Absaroka Mountains- 219 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Mostly cloudy and windy. Near steady temperature in the upper 40s. West winds 20 to 30 mph with gusts up to 45 mph. .TONIGHT...Partly cloudy and windy. Lows in the mid 20s. West winds 20 to 30 mph with gusts up to 50 mph, diminishing to 10 to 15 mph with gusts up to 35 mph after midnight. .SUNDAY...Mostly cloudy. A slight chance of snow showers in the morning, then snow showers with a slight chance of thunderstorms in the afternoon. Snow accumulation up to 4 inches. Breezy with highs in the mid 30s. West winds 10 to 15 mph with gusts up to 25 mph, becoming north 15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of snow 80 percent. .SUNDAY NIGHT...Snow showers. New light snow accumulation. Breezy, cold with lows around 20. Northeast winds 20 to 25 mph with gusts up to 45 mph. Chance of snow 90 percent. .MONDAY...Snow showers. A slight chance of thunderstorms in the afternoon. New light snow accumulation. Breezy with highs in the upper 20s. Northeast winds 15 to 25 mph. Gusts up to 50 mph, decreasing to 40 mph in the afternoon. Chance of snow 90 percent. .MONDAY NIGHT...Mostly cloudy with snow showers likely in the evening, then partly cloudy after midnight. New little or no snow accumulation. Cold with lows 12 to 20. Chance of snow 60 percent. .TUESDAY...Partly cloudy. A chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 30s. Chance of snow 40 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 20s. .WEDNESDAY...Partly cloudy. A chance of snow showers, rain showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 40s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Partly cloudy. A chance of snow and rain showers in the evening. Lows in the upper 20s. Chance of precipitation 40 percent. .THURSDAY...Partly cloudy. A slight chance of snow showers in the morning, then a chance of snow showers, a slight chance of rain showers and thunderstorms in the afternoon. Highs in the upper 40s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Partly cloudy. Lows around 30. .FRIDAY...Partly cloudy. A chance of rain showers, snow showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the lower 50s. Chance of precipitation 30 percent. $$ WYZ007-162200- Owl Creek and Bridger Mountains- 219 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Mostly cloudy and breezy. Highs in the mid 60s. Southwest winds 15 to 25 mph with gusts up to 35 mph. .TONIGHT...Mostly cloudy and breezy. Lows in the upper 30s. West winds 20 to 25 mph, becoming north after midnight. Gusts up to 40 mph. .SUNDAY...Mostly cloudy. A chance of rain showers, snow showers with a slight chance of thunderstorms in the afternoon. Breezy, cooler with highs in the upper 40s. North winds 15 to 25 mph. Gusts up to 45 mph in the morning. Chance of precipitation 30 percent. .SUNDAY NIGHT...Snow and rain showers likely in the evening, then snow showers after midnight. Light snow accumulation. Very windy with lows in the upper 20s. North winds 30 to 40 mph with gusts up to 65 mph. Chance of precipitation 90 percent. .MONDAY...Snow showers in the morning, then snow showers with a slight chance of thunderstorms in the afternoon. Snow may be heavy at times in the morning. New moderate snow accumulation. Very windy with highs in the mid 30s. North winds 30 to 40 mph. Gusts up to 65 mph, decreasing to 50 mph in the afternoon. Chance of snow 90 percent. .MONDAY NIGHT...Mostly cloudy. A chance of snow showers in the evening. Breezy with lows in the mid 20s. Chance of snow 30 percent. .TUESDAY...Partly cloudy. A slight chance of. Highs in the mid 40s. .TUESDAY NIGHT...Partly cloudy. Lows around 30. .WEDNESDAY...Partly cloudy. A slight chance of. Highs in the mid 50s. .WEDNESDAY NIGHT...Partly cloudy. A chance of rain showers in the evening. Lows in the mid 30s. Chance of rain 30 percent. .THURSDAY...Partly cloudy with a slight chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of rain 20 percent. .THURSDAY NIGHT...Partly cloudy. Lows around 40. .FRIDAY...Partly cloudy. A slight chance of. Highs in the mid 60s. $$ WYZ008-162200- Bighorn Mountains West- 219 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Mostly cloudy and breezy. Highs around 60. Southwest winds 15 to 20 mph with gusts up to 35 mph. .TONIGHT...Mostly cloudy. Lows in the mid 30s. Northwest winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY...Mostly cloudy in the morning, then partly cloudy with a chance of snow showers, rain showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the mid 40s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 40 percent. .SUNDAY NIGHT...Rain showers likely in the evening. Snow showers. Light snow accumulation. Breezy with lows in the upper 20s. North winds 20 to 25 mph with gusts up to 45 mph. Chance of precipitation 90 percent. .MONDAY...Snow showers in the morning, then snow showers with a slight chance of thunderstorms in the afternoon. New moderate snow accumulation. Breezy with highs in the lower 30s. North winds 15 to 25 mph. Gusts up to 45 mph, decreasing to 35 mph in the afternoon. Chance of snow 90 percent. .MONDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in the evening. New little or no snow accumulation. Lows in the lower 20s. Chance of snow 70 percent. .TUESDAY...Partly cloudy. A chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 40s. Chance of snow 30 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 20s. .WEDNESDAY...Mostly sunny in the morning, then partly cloudy with a chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs around 50. Chance of snow 30 percent. .WEDNESDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a chance of snow showers with a slight chance of rain showers. Lows in the lower 30s. Chance of precipitation 30 percent. .THURSDAY...Partly cloudy with a chance of snow showers. A slight chance of rain showers in the morning, then a chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. .FRIDAY...Partly cloudy. A slight chance of rain showers, thunderstorms and snow showers in the afternoon. Highs around 60. Chance of precipitation 20 percent. $$ WYZ009-162200- Bighorn Mountains Southeast- 219 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Mostly cloudy and breezy. Highs in the lower 60s. Southwest winds 15 to 20 mph with gusts up to 40 mph. .TONIGHT...Mostly cloudy and breezy. Lows in the mid 30s. West winds 15 to 20 mph. Gusts up to 35 mph in the evening. .SUNDAY...Partly cloudy in the morning, then mostly cloudy with a chance of snow showers, rain showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the mid 40s. Northwest winds 10 to 15 mph, becoming north 15 to 20 mph in the afternoon. Gusts up to 35 mph. Chance of precipitation 40 percent. .SUNDAY NIGHT...Rain showers likely in the evening. Snow showers. Light snow accumulation. Breezy with lows in the mid 20s. North winds 15 to 25 mph with gusts up to 45 mph. Chance of precipitation 90 percent. .MONDAY...Snow showers in the morning, then snow showers with a slight chance of thunderstorms in the afternoon. Snow may be heavy at times in the morning. New moderate snow accumulation. Windy with highs in the lower 30s. North winds 20 to 30 mph with gusts up to 45 mph, diminishing to 15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of snow near 100 percent. .MONDAY NIGHT...Cloudy. Snow showers, mainly in the evening. New little or no snow accumulation. Lows in the lower 20s. Chance of snow 80 percent. .TUESDAY...Mostly cloudy in the morning, then partly cloudy with a chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs around 40. Chance of snow 40 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 20s. .WEDNESDAY...Mostly sunny in the morning, then partly cloudy with a chance of rain showers, snow showers with a slight chance of thunderstorms in the afternoon. Highs around 50. Chance of precipitation 40 percent. .WEDNESDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a chance of snow showers with a slight chance of rain showers. Lows in the lower 30s. Chance of precipitation 30 percent. .THURSDAY...Partly cloudy with a chance of rain and snow showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. .FRIDAY...Partly cloudy. A chance of rain showers, snow showers with a slight chance of thunderstorms in the afternoon. Breezy with highs around 60. Chance of precipitation 30 percent. $$ WYZ012-162200- Teton and Gros Ventre Mountains- 219 PM MDT Sat May 16 2026 .THIS AFTERNOON...Cloudy, breezy. Near steady temperature in the mid 40s. West winds 20 to 25 mph with gusts up to 40 mph. .TONIGHT...Partly cloudy and breezy. Lows in the mid 20s. West winds 20 to 25 mph with gusts up to 40 mph, becoming southwest 10 to 15 mph with gusts up to 30 mph after midnight. .SUNDAY...Mostly cloudy. A chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 30s. West winds 10 to 15 mph. Chance of snow 30 percent. .SUNDAY NIGHT...Snow showers. Light snow accumulation. Breezy with lows in the mid 20s. Northeast winds 20 to 25 mph with gusts up to 45 mph. Chance of snow 80 percent. .MONDAY...Cloudy. Snow showers in the morning, then snow showers likely with a slight chance of thunderstorms in the afternoon. New little or no snow accumulation. Breezy with highs in the mid 30s. Northeast winds 20 to 25 mph with gusts up to 45 mph, diminishing to 10 to 15 mph with gusts up to 30 mph in the afternoon. Chance of snow 80 percent. .MONDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in the evening. Light snow accumulation possible. Lows in the lower 20s. Chance of snow 60 percent. .TUESDAY...Partly cloudy with a chance of snow showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 40s. Chance of snow 30 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 20s. .WEDNESDAY...Partly cloudy. A chance of snow showers, a slight chance of thunderstorms and rain showers in the afternoon. Highs in the mid 40s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Partly cloudy. A chance of snow showers with a slight chance of rain showers in the evening. Lows in the upper 20s. Chance of precipitation 30 percent. .THURSDAY...Partly cloudy with a slight chance of snow showers. A slight chance of rain showers and thunderstorms in the afternoon. Highs in the lower 50s. Chance of precipitation 20 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. .FRIDAY...Partly cloudy. A slight chance of rain showers, thunderstorms and snow showers in the afternoon. Breezy with highs in the mid 50s. Chance of precipitation 20 percent. $$ WYZ014-162200- Wind River Mountains West- 219 PM MDT Sat May 16 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Cloudy, breezy. Near steady temperature in the upper 40s. Southwest winds 15 to 25 mph with gusts up to 40 mph. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Breezy with lows in the mid 20s. West winds 20 to 25 mph, diminishing to 10 to 15 mph after midnight. .SUNDAY...Mostly cloudy. A chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 30s. West winds around 10 mph with gusts up to 25 mph. Chance of snow 40 percent. .SUNDAY NIGHT...Snow showers. Light snow accumulation. Windy with lows in the lower 20s. Northeast winds 25 to 35 mph with gusts up to 60 mph. Chance of snow 90 percent. .MONDAY...Snow showers. A slight chance of thunderstorms in the afternoon. New light snow accumulation. Very windy with highs around 30. Northeast winds 30 to 40 mph with gusts up to 65 mph, diminishing to 20 to 25 mph with gusts up to 50 mph in the afternoon. Chance of snow 90 percent. .MONDAY NIGHT...A slight chance of thunderstorms in the evening. Snow showers. New light snow accumulation. Cold with lows 12 to 22. Chance of snow 90 percent. .TUESDAY...Mostly cloudy with a chance of snow showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 30s. Chance of snow 40 percent. .TUESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cold with lows around 20. .WEDNESDAY...Partly cloudy. A chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 40s. Chance of snow 30 percent. .WEDNESDAY NIGHT...Partly cloudy. A chance of snow showers with a slight chance of thunderstorms in the evening. Lows in the mid 20s. Chance of snow 30 percent. .THURSDAY...Partly cloudy with a slight chance of snow showers. A slight chance of rain showers and thunderstorms in the afternoon. Highs in the upper 40s. Chance of precipitation 20 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 20s. .FRIDAY...Partly cloudy. A slight chance of. Breezy with highs in the lower 50s. $$ WYZ015-162200- Wind River Mountains East- 219 PM MDT Sat May 16 2026 ...WINTER STORM WARNING IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Mostly cloudy and windy. Near steady temperature in the upper 40s. Southwest winds 20 to 30 mph with gusts up to 45 mph. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Breezy with lows in the mid 20s. West winds 15 to 25 mph with gusts up to 45 mph. .SUNDAY...Snow showers with a slight chance of thunderstorms in the afternoon. Snow accumulation up to 3 inches. Highs in the upper 30s. West winds 10 to 15 mph, becoming northeast in the afternoon. Chance of snow 80 percent. .SUNDAY NIGHT...Snow showers. Snow may be heavy at times. New heavy snow accumulation. Windy, cold with lows 14 to 24. Northeast winds 20 to 30 mph with gusts up to 55 mph. Chance of snow near 100 percent. .MONDAY...Snow showers in the morning, then snow showers with a slight chance of thunderstorms in the afternoon. Snow may be heavy at times in the morning. New heavy snow accumulation. Windy with highs in the mid 20s. Northeast winds 20 to 30 mph. Gusts up to 60 mph, decreasing to 45 mph in the afternoon. Chance of snow near 100 percent. .MONDAY NIGHT...Cloudy. Snow showers, mainly in the evening. New light snow accumulation. Cold with lows 11 to 21. Chance of snow 80 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow showers. A slight chance of thunderstorms in the afternoon. New little or no snow accumulation. Highs in the mid 30s. Chance of snow 50 percent. .TUESDAY NIGHT...Partly cloudy. Cold with lows 14 to 24. .WEDNESDAY...Mostly sunny in the morning, then partly cloudy with a chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 40s. Chance of snow 30 percent. .WEDNESDAY NIGHT...Partly cloudy. A chance of snow showers, mainly in the evening. Lows in the mid 20s. Chance of snow 30 percent. .THURSDAY...Partly cloudy. A slight chance of snow showers in the morning, then a chance of snow showers, rain showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 40s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 20s. .FRIDAY...Partly cloudy. A slight chance of. Breezy with highs in the lower 50s. $$ WYZ019-162200- Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 219 PM MDT Sat May 16 2026 ...WINTER STORM WARNING IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Mostly cloudy and breezy. Near steady temperature in the upper 60s. Southwest winds 15 to 25 mph with gusts up to 35 mph. .TONIGHT...Mostly cloudy. A chance of rain showers in the evening. Breezy with lows in the upper 30s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 30 percent. .SUNDAY...Partly cloudy in the morning, then mostly cloudy with a chance of rain showers, snow showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the lower 50s. Northwest winds 15 to 20 mph. Gusts up to 35 mph in the afternoon. Chance of precipitation 40 percent. .SUNDAY NIGHT...Rain showers with a slight chance of thunderstorms. Snow showers. Snow may be heavy at times after midnight. Moderate snow accumulation. Windy with lows in the mid 20s. Northeast winds 25 to 35 mph. Gusts up to 50 mph, increasing to 60 mph after midnight. Chance of precipitation 90 percent. .MONDAY...A slight chance of thunderstorms. Snow showers. Snow may be heavy at times in the morning. New heavy snow accumulation. Windy, cooler with highs in the lower 30s. Northeast winds 25 to 35 mph. Gusts up to 60 mph, decreasing to 50 mph in the afternoon. Chance of snow near 100 percent. .MONDAY NIGHT...Cloudy. Snow showers likely, mainly in the evening. New little or no snow accumulation. Lows in the lower 20s. Chance of snow 60 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 30s. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 20s. .WEDNESDAY...Partly cloudy in the morning, then clearing. Highs around 50. .WEDNESDAY NIGHT...Partly cloudy. Lows around 30. .THURSDAY...Partly cloudy. A slight chance of. Highs in the mid 50s. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .FRIDAY...Partly cloudy. Highs in the mid 60s. $$ WYZ024-162200- Salt River and Wyoming Ranges- 219 PM MDT Sat May 16 2026 .THIS AFTERNOON...Cloudy, breezy with highs in the mid 50s. West winds 15 to 20 mph with gusts up to 35 mph. .TONIGHT...Partly cloudy and breezy. Lows in the mid 20s. West winds 15 to 25 mph with gusts up to 40 mph. .SUNDAY...Mostly cloudy. A chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 40s. Northwest winds around 10 mph with gusts up to 20 mph. Chance of snow 30 percent. .SUNDAY NIGHT...Snow showers. Light snow accumulation. Breezy with lows in the upper 20s. North winds 15 to 20 mph with gusts up to 35 mph. Chance of snow 90 percent. .MONDAY...Snow showers. A slight chance of thunderstorms in the afternoon. New light snow accumulation. Breezy with highs in the upper 30s. North winds 15 to 20 mph with gusts up to 35 mph, diminishing to around 10 mph with gusts up to 20 mph in the afternoon. Chance of snow 90 percent. .MONDAY NIGHT...Cloudy. Snow showers with a slight chance of thunderstorms in the evening, then a chance of snow showers after midnight. New light snow accumulation. Lows in the lower 20s. Chance of snow 80 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 40s. Chance of snow 30 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 20s. .WEDNESDAY...Partly cloudy. A slight chance of rain showers, thunderstorms and snow showers in the afternoon. Highs in the upper 40s. Chance of precipitation 20 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 20s. .THURSDAY...Partly cloudy. A slight chance of. Highs in the mid 50s. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 30s. .FRIDAY...Mostly sunny. A slight chance of. Breezy with highs in the upper 50s. $$ WYZ030-162200- East Sweetwater County- Including the city of Wamsutter 219 PM MDT Sat May 16 2026 ...WINTER STORM WARNING IN EFFECT FROM 6 PM SUNDAY TO 6 PM MDT MONDAY... .THIS AFTERNOON...Mostly cloudy and breezy. Highs in the upper 60s. West winds 15 to 25 mph with gusts up to 35 mph. .TONIGHT...Mostly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening. Breezy with lows in the mid 30s. West winds 20 to 25 mph with gusts up to 35 mph, diminishing to 10 to 15 mph with gusts up to 25 mph after midnight. Chance of rain 40 percent. .SUNDAY...Partly cloudy in the morning, then mostly cloudy with rain showers likely, a chance of thunderstorms and snow showers in the afternoon. Little or no snow accumulation. Highs in the mid 50s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 60 percent. .SUNDAY NIGHT...Snow showers with a slight chance of thunderstorms. Rain showers. Light snow accumulation. Windy with lows in the mid 20s. Northeast winds 20 to 25 mph with gusts up to 50 mph, increasing to 25 to 35 mph with gusts up to 60 mph after midnight. Chance of precipitation 90 percent. .MONDAY...A slight chance of thunderstorms. Snow and rain showers in the morning, then snow showers in the afternoon. Snow may be heavy at times in the morning. New moderate snow accumulation. Very windy and cooler with highs in the mid 30s. Northeast winds 30 to 40 mph with gusts up to 60 mph, diminishing to 20 to 30 mph with gusts up to 50 mph in the afternoon. Chance of precipitation near 100 percent. .MONDAY NIGHT...Cloudy. A chance of snow showers in the evening. Breezy, cold with lows around 20. Chance of snow 30 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 40s. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 20s. .WEDNESDAY...Partly cloudy in the morning, then clearing. Highs in the mid 50s. .WEDNESDAY NIGHT...Partly cloudy. Lows around 30. .THURSDAY...Partly cloudy. A slight chance of. Highs around 60. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .FRIDAY...Mostly sunny. Highs in the mid 60s. $$