Zone Forecast Product
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
431 FPUS55 KRIW 281848 ZFPRIW Zone Forecast Product for Western and Central Wyoming National Weather Service Riverton WY 1246 PM MDT Mon Sep 28 2026 WYZ020-282200- Natrona County Lower Elevations- Including the city of Casper 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Cloudy with showers likely with a slight chance of thunderstorms. Highs around 70. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent. .TONIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 40s. West winds around 10 mph in the evening. Chance of rain 30 percent. .TUESDAY...Partly cloudy in the morning, then clearing. Highs around 70. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. .WEDNESDAY...Mostly sunny. Highs around 70. Northwest winds around 10 mph, becoming north with gusts up to 25 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. .THURSDAY...Mostly sunny. Highs around 70. .THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. .FRIDAY...Mostly sunny. Highs in the upper 70s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s. .SATURDAY...Mostly sunny. Highs in the upper 60s. .SATURDAY NIGHT...Mostly clear. Lows around 40. .SUNDAY...Mostly sunny. Highs around 70. $$ WYZ017-282200- Wind River Basin- Including the cities of Riverton and Shoshoni 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 60s. South winds around 10 mph. Chance of rain 30 percent. .TONIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows around 50. Chance of rain 30 percent. .TUESDAY...Mostly sunny. Highs around 70. .TUESDAY NIGHT...Clear. Lows in the mid 40s. Southwest winds around 10 mph after midnight. .WEDNESDAY...Sunny. Highs around 70. Northeast winds around 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s. .THURSDAY...Mostly sunny. Highs around 70. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. .FRIDAY...Mostly sunny. Highs in the mid 70s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs around 70. .SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. .SUNDAY...Mostly sunny. Highs around 70. $$ WYZ018-282200- Lander Foothills- Including the city of Lander 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 60s. South winds around 10 mph. Chance of rain 30 percent. .TONIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 40s. Chance of rain 30 percent. .TUESDAY...Mostly sunny. Highs around 70. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. .WEDNESDAY...Sunny. Highs in the lower 70s. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s. .THURSDAY...Sunny. Highs in the lower 70s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. .FRIDAY...Mostly sunny. Highs in the mid 70s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the upper 60s. .SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. .SUNDAY...Mostly sunny. Highs around 70. $$ WYZ028-282200- Rock Springs and Green River- Including the cities of Rock Springs and Green River 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Cloudy with showers likely with a chance of thunderstorms. Highs around 60. Northwest winds around 10 mph. Chance of rain 60 percent. .TONIGHT...A slight chance of thunderstorms in the evening. Cloudy with a chance of showers. Lows in the lower 40s. Chance of rain 30 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. .WEDNESDAY...Partly cloudy in the morning, then clearing. Highs around 70. Northwest winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Clear. Lows in the upper 30s. .THURSDAY...Sunny. Highs around 70. .THURSDAY NIGHT...Mostly clear. Lows around 40. .FRIDAY...Mostly sunny. Highs in the lower 70s. .FRIDAY NIGHT...Mostly clear. Lows around 40. .SATURDAY...Mostly sunny. Highs around 70. .SATURDAY NIGHT...Partly cloudy. Lows around 40. .SUNDAY...Partly cloudy in the morning, then clearing. Highs around 70. $$ WYZ013-282200- Jackson Hole- Including the city of Jackson 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Mostly cloudy with a chance of showers and thunderstorms. Highs around 60. Chance of rain 30 percent. .TONIGHT...Mostly cloudy with a chance of rain showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 30s. Chance of rain 30 percent. .TUESDAY...Sunny. Highs in the mid 60s. .TUESDAY NIGHT...Clear. Lows in the mid 30s. .WEDNESDAY...Sunny. Highs in the mid 60s. .WEDNESDAY NIGHT...Clear. Lows in the mid 30s. .THURSDAY...Sunny. Highs in the upper 60s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Mostly sunny. Highs in the upper 60s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 30s. .SATURDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Mostly clear. Lows in the mid 30s. .SUNDAY...Mostly sunny. Highs in the upper 60s. $$ WYZ003-282200- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Mostly cloudy with showers likely with a slight chance of thunderstorms. Highs in the mid 60s. Southeast winds around 10 mph. Chance of rain 60 percent. .TONIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 40s. West winds around 10 mph. Chance of rain 30 percent. .TUESDAY...Sunny. Highs around 70. Southwest winds around 10 mph, becoming southeast in the afternoon. .TUESDAY NIGHT...Clear. Lows in the upper 40s. West winds around 10 mph. .WEDNESDAY...Sunny. Highs in the upper 60s. West winds around 10 mph, becoming northeast in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. .THURSDAY...Mostly sunny. Highs in the upper 60s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the lower 70s. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of. Lows in the upper 40s. .SATURDAY...Partly cloudy. Highs in the mid 60s. .SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. .SUNDAY...Mostly sunny. Highs in the upper 60s. $$ WYZ004-282200- North Bighorn Basin- Including the cities of Basin, Greybull, Lovell, Powell, and Shell 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Mostly cloudy. Highs around 70. South winds around 10 mph with gusts up to 20 mph. .TONIGHT...Mostly cloudy in the evening, then clearing. Lows in the mid 40s. Northwest winds around 10 mph. .TUESDAY...Sunny. Highs in the mid 70s. Southeast winds around 10 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows in the mid 40s. East winds around 10 mph in the evening. .WEDNESDAY...Sunny. Highs in the lower 70s. Northwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. .THURSDAY...Mostly sunny. Highs in the lower 70s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. .FRIDAY...Mostly sunny. Highs in the upper 70s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs around 70. .SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. .SUNDAY...Mostly sunny. Highs around 70. $$ WYZ006-282200- Southeast Bighorn Basin- Including the cities of Ten Sleep and Worland 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs around 70. South winds around 10 mph. Chance of rain 30 percent. .TONIGHT...Partly cloudy. Lows around 50. Northwest winds around 10 mph in the evening. .TUESDAY...Sunny. Highs in the lower 70s. .TUESDAY NIGHT...Clear. Lows in the mid 40s. .WEDNESDAY...Sunny. Highs in the lower 70s. Northwest winds around 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s. .THURSDAY...Mostly sunny. Highs in the lower 70s. .THURSDAY NIGHT...Mostly clear. Lows around 50. .FRIDAY...Mostly sunny. Highs in the upper 70s. .FRIDAY NIGHT...Mostly clear. Lows around 50. .SATURDAY...Partly cloudy in the morning, then clearing. Highs around 70. .SATURDAY NIGHT...Mostly clear. Lows in the mid 40s. .SUNDAY...Mostly sunny. Highs in the lower 70s. $$ WYZ005-282200- Southwest Bighorn Basin- Including the city of Thermopolis 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Mostly cloudy. Highs around 70. South winds around 10 mph. .TONIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows around 50. West winds around 10 mph in the evening. Chance of rain 30 percent. .TUESDAY...Sunny. Highs in the lower 70s. .TUESDAY NIGHT...Clear. Lows in the upper 40s. Southeast winds around 10 mph in the evening. .WEDNESDAY...Sunny. Highs around 70. West winds around 10 mph, becoming north in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s. .THURSDAY...Mostly sunny. Highs in the lower 70s. .THURSDAY NIGHT...Mostly clear. Lows around 50. .FRIDAY...Mostly sunny. Highs in the upper 70s. .FRIDAY NIGHT...Mostly clear. Lows around 50. .SATURDAY...Partly cloudy in the morning, then clearing. Highs around 70. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. .SUNDAY...Mostly sunny. Highs around 70. $$ WYZ023-282200- Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Mostly cloudy with showers likely with a chance of thunderstorms. Highs in the lower 60s. South winds around 10 mph with gusts up to 20 mph. Chance of rain 60 percent. .TONIGHT...Mostly cloudy with showers likely with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows around 40. Chance of rain 60 percent. .TUESDAY...Sunny. Highs in the mid 60s. North winds around 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. North winds around 10 mph in the evening. .WEDNESDAY...Sunny. Highs around 70. Northwest winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Clear. Lows in the upper 30s. .THURSDAY...Sunny. Highs around 70. .THURSDAY NIGHT...Mostly clear. Lows around 40. .FRIDAY...Mostly sunny. Highs around 70. .FRIDAY NIGHT...Mostly clear. Lows around 40. .SATURDAY...Partly cloudy in the morning, then clearing. Highs around 70. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. .SUNDAY...Mostly sunny. Highs around 70. $$ WYZ025-282200- Upper Green River Basin Foothills- Including the city of Pinedale 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Cloudy with a chance of showers and thunderstorms. Near steady temperature in the mid 50s. Chance of rain 40 percent. .TONIGHT...Cloudy with a chance of rain showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 30s. Northwest winds around 10 mph. Chance of rain 30 percent. .TUESDAY...Mostly sunny. Highs in the mid 60s. West winds around 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. North winds around 10 mph with gusts up to 20 mph. .WEDNESDAY...Sunny. Highs in the mid 60s. Northwest winds around 10 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Clear. Lows in the mid 30s. .THURSDAY...Sunny. Highs in the mid 60s. .THURSDAY NIGHT...Mostly clear. Lows around 40. .FRIDAY...Mostly sunny. Highs around 70. .FRIDAY NIGHT...Mostly clear. Lows in the upper 30s. .SATURDAY...Mostly sunny. Highs in the mid 60s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. .SUNDAY...Mostly sunny. Highs in the mid 60s. $$ WYZ026-282200- Upper Green River Basin- Including the cities of La Barge, Big Piney, and Farson 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Cloudy with showers likely with a chance of thunderstorms. Highs around 60. West winds around 10 mph. Chance of rain 60 percent. .TONIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows around 40. Chance of rain 30 percent. .TUESDAY...Partly cloudy in the morning, then clearing. Highs in the mid 60s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. Northwest winds around 10 mph. .WEDNESDAY...Mostly sunny. Highs in the upper 60s. Northwest winds around 10 mph with gusts up to 20 mph. .WEDNESDAY NIGHT...Clear. Lows in the upper 30s. .THURSDAY...Mostly sunny. Highs in the mid 60s. .THURSDAY NIGHT...Mostly clear. Lows around 40. .FRIDAY...Sunny. Highs around 70. .FRIDAY NIGHT...Mostly clear. Lows around 40. .SATURDAY...Mostly sunny. Highs in the upper 60s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. .SUNDAY...Mostly sunny. Highs in the upper 60s. $$ WYZ010-282200- Northeast Johnson County- Including the city of Buffalo 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs around 70. North winds around 10 mph. Chance of rain 30 percent. .TONIGHT...Partly cloudy. Lows around 50. North winds around 10 mph in the evening. .TUESDAY...Sunny. Highs in the lower 70s. .TUESDAY NIGHT...Clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs around 70. Northwest winds around 10 mph, becoming north with gusts up to 25 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. .THURSDAY...Partly cloudy in the morning, then clearing. Breezy with highs around 70. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. .FRIDAY...Mostly sunny. Highs in the mid 70s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the mid 60s. .SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. .SUNDAY...Mostly sunny. Highs in the upper 60s. $$ WYZ011-282200- Southeast Johnson County- Including the city of Kaycee 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs around 70. North winds around 10 mph. Chance of rain 30 percent. .TONIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 40s. North winds around 10 mph in the evening. Chance of rain 30 percent. .TUESDAY...Mostly sunny. Highs in the lower 70s. South winds around 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. .WEDNESDAY...Mostly sunny. Highs around 70. Northwest winds around 10 mph, becoming northeast with gusts up to 25 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s. .THURSDAY...Mostly sunny. Highs in the lower 70s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. .FRIDAY...Mostly sunny. Highs in the upper 70s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. .SATURDAY...Mostly sunny. Highs in the upper 60s. .SATURDAY NIGHT...Mostly clear. Lows in the lower 40s. .SUNDAY...Mostly sunny. Highs around 70. $$ WYZ027-282200- South Lincoln County- Including the cities of Kemmerer and Cokeville 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Showers likely with a chance of thunderstorms. Highs around 60. North winds around 10 mph. Chance of rain 60 percent. .TONIGHT...Cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows around 40. Chance of rain 30 percent. .TUESDAY...Partly cloudy in the morning, then clearing. Highs in the lower 60s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 30s. Northwest winds around 10 mph. .WEDNESDAY...Mostly sunny. Highs in the mid 60s. Northwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Clear. Lows around 40. .THURSDAY...Sunny. Highs in the mid 60s. .THURSDAY NIGHT...Mostly clear. Lows around 40. .FRIDAY...Sunny. Highs around 70. .FRIDAY NIGHT...Mostly clear. Lows around 40. .SATURDAY...Mostly sunny. Highs around 70. .SATURDAY NIGHT...Mostly clear. Lows around 40. .SUNDAY...Partly cloudy in the morning, then clearing. Highs around 70. $$ WYZ016-282200- Upper Wind River Basin- Including the city of Dubois 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Mostly cloudy with showers likely with a chance of thunderstorms. Highs around 60. Chance of rain 60 percent. .TONIGHT...Mostly cloudy with a chance of rain showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows around 40. Northwest winds around 10 mph. Chance of rain 30 percent. .TUESDAY...Sunny. Highs in the mid 60s. Northwest winds around 10 mph, becoming south in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows around 40. Northwest winds around 10 mph. .WEDNESDAY...Sunny. Highs in the mid 60s. Northwest winds around 10 mph, becoming northeast in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows around 40. .THURSDAY...Mostly sunny. Highs in the mid 60s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 40s. .FRIDAY...Mostly sunny. Highs in the upper 60s. .FRIDAY NIGHT...Mostly clear. Lows in the lower 40s. .SATURDAY...Partly cloudy. Highs in the lower 60s. .SATURDAY NIGHT...Partly cloudy. Lows around 40. .SUNDAY...Mostly sunny. Highs in the mid 60s. $$ WYZ001-282200- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 50s. West winds around 10 mph. Chance of rain 30 percent. .TONIGHT...Partly cloudy with a chance of rain showers with a slight chance of thunderstorms in the evening, then clear after midnight. Lows in the lower 30s. Chance of rain 40 percent. .TUESDAY...Sunny. Highs in the upper 50s. West winds around 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the lower 30s. .WEDNESDAY...Sunny. Highs in the upper 50s. West winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 30s. .THURSDAY...Mostly sunny. Highs around 60. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. .FRIDAY...Mostly sunny. A slight chance of. Highs in the lower 60s. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of. Lows in the mid 30s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the upper 50s. .SATURDAY NIGHT...Mostly clear. Lows in the lower 30s. .SUNDAY...Mostly sunny. Highs around 60. $$ WYZ029-282200- Flaming Gorge- 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Showers likely with a chance of thunderstorms. Highs around 60. North winds around 10 mph. Chance of rain 60 percent. .TONIGHT...Cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 40s. West winds around 10 mph in the evening. Chance of rain 80 percent. .TUESDAY...Cloudy with a chance of showers in the morning, then partly cloudy in the afternoon. Highs in the lower 60s. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 40s. .WEDNESDAY...Partly cloudy in the morning, then clearing. Highs in the upper 60s. Northwest winds around 10 mph with gusts up to 20 mph. .WEDNESDAY NIGHT...Clear. Lows in the lower 40s. .THURSDAY...Sunny. Highs in the upper 60s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. .FRIDAY...Mostly sunny. Highs in the lower 70s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s. .SATURDAY...Mostly sunny. Highs around 70. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 40s. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the upper 60s. $$ WYZ022-282200- Casper Mountain- 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Showers with a slight chance of thunderstorms. Near steady temperature in the upper 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent. .TONIGHT...Cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 40s. Southwest winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 30 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 60s. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 40s. .WEDNESDAY...Mostly sunny. Highs in the lower 60s. North winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows around 40. .THURSDAY...Mostly sunny. Highs in the lower 60s. .THURSDAY NIGHT...Clear. Lows in the lower 40s. .FRIDAY...Mostly sunny. Highs in the upper 60s. .FRIDAY NIGHT...Mostly clear. A slight chance of. Lows in the mid 40s. .SATURDAY...Mostly sunny. Highs in the lower 60s. .SATURDAY NIGHT...Mostly clear. Lows in the upper 30s. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the lower 60s. $$ WYZ002-282200- Absaroka Mountains- 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Showers likely with a chance of thunderstorms. Highs in the lower 50s. West winds around 10 mph. Chance of rain 60 percent. .TONIGHT...Mostly cloudy with rain showers likely with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 30s. Chance of rain 60 percent. .TUESDAY...Sunny. Highs in the upper 50s. West winds around 10 mph. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. West winds 10 to 15 mph. .WEDNESDAY...Sunny. Highs in the upper 50s. Northwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s. .THURSDAY...Mostly sunny. Highs in the upper 50s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Mostly sunny. A slight chance of. Breezy with highs in the upper 50s. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. .SATURDAY...Partly cloudy. Highs in the mid 50s. .SATURDAY NIGHT...Mostly clear. Lows in the mid 30s. .SUNDAY...Mostly sunny. Highs in the mid 50s. $$ WYZ007-282200- Owl Creek and Bridger Mountains- 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the lower 60s. South winds around 10 mph. Chance of rain 30 percent. .TONIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 40s. Northwest winds around 10 mph. Chance of rain 30 percent. .TUESDAY...Mostly sunny. Highs in the mid 60s. South winds around 10 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows in the upper 40s. Southeast winds around 10 mph in the evening. .WEDNESDAY...Sunny. Highs in the mid 60s. Northwest winds around 10 mph, becoming north in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s. .THURSDAY...Mostly sunny. Highs in the mid 60s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. .FRIDAY...Mostly sunny. Highs in the lower 70s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the lower 60s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. .SUNDAY...Mostly sunny. Highs in the mid 60s. $$ WYZ008-282200- Bighorn Mountains West- 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 50s. Southwest winds around 10 mph. Chance of rain 30 percent. .TONIGHT...Mostly cloudy with a chance of rain showers in the evening, then partly cloudy after midnight. Lows in the lower 40s. Chance of rain 30 percent. .TUESDAY...Mostly sunny. Highs around 60. Southwest winds around 10 mph. .TUESDAY NIGHT...Clear. Lows in the lower 40s. Northeast winds around 10 mph in the evening. .WEDNESDAY...Sunny. Highs around 60. Northeast winds around 10 mph, becoming northwest with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. .THURSDAY...Mostly sunny. Highs in the upper 50s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 40s. .FRIDAY...Mostly sunny. Highs in the mid 60s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the upper 50s. .SATURDAY NIGHT...Mostly clear. Lows in the upper 30s. .SUNDAY...Mostly sunny. Highs in the upper 50s. $$ WYZ009-282200- Bighorn Mountains Southeast- 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 50s. Southwest winds around 10 mph. Chance of rain 40 percent. .TONIGHT...Mostly cloudy with a chance of rain showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 40s. Chance of rain 30 percent. .TUESDAY...Mostly sunny. Highs in the lower 60s. Southwest winds around 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. Northwest winds around 10 mph in the evening. .WEDNESDAY...Mostly sunny. Highs in the upper 50s. Northwest winds around 10 mph, becoming northeast with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. .THURSDAY...Mostly sunny. Highs in the upper 50s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. .FRIDAY...Mostly sunny. Highs in the mid 60s. .FRIDAY NIGHT...Mostly clear. Lows in the lower 40s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the mid 50s. .SATURDAY NIGHT...Mostly clear. Lows in the upper 30s. .SUNDAY...Mostly sunny. Highs in the upper 50s. $$ WYZ012-282200- Teton and Gros Ventre Mountains- 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Cloudy with rain showers likely with a chance of thunderstorms. Near steady temperature around 50. Chance of rain 60 percent. .TONIGHT...Mostly cloudy with rain showers likely with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 30s. Chance of rain 60 percent. .TUESDAY...Sunny. Highs in the upper 50s. Northwest winds around 10 mph in the afternoon. .TUESDAY NIGHT...Clear. Lows in the mid 30s. Northwest winds around 10 mph in the evening. .WEDNESDAY...Sunny. Highs in the upper 50s. Northwest winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Clear. Lows in the mid 30s. .THURSDAY...Sunny. Highs in the upper 50s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Mostly sunny. Highs around 60. .FRIDAY NIGHT...Mostly clear. Lows in the upper 30s. .SATURDAY...Mostly sunny. Highs in the upper 50s. .SATURDAY NIGHT...Mostly clear. Lows in the mid 30s. .SUNDAY...Mostly sunny. Highs in the upper 50s. $$ WYZ014-282200- Wind River Mountains West- 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Rain showers likely with a chance of thunderstorms. Highs around 50. West winds around 10 mph. Chance of rain 60 percent. .TONIGHT...Cloudy with rain showers likely with possible snow showers and thunderstorms in the evening, then partly cloudy after midnight. Little or no snow accumulation. Lows in the mid 30s. Northeast winds around 10 mph after midnight. Chance of precipitation 60 percent. .TUESDAY...Mostly sunny. A slight chance of. Highs in the mid 50s. West winds around 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. North winds around 10 mph. .WEDNESDAY...Sunny. Highs in the upper 50s. North winds around 10 mph, becoming northwest with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s. .THURSDAY...Sunny. Highs in the upper 50s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Mostly sunny. Highs in the upper 50s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 30s. .SATURDAY...Partly cloudy. Highs in the mid 50s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 30s. .SUNDAY...Mostly sunny. Highs in the mid 50s. $$ WYZ015-282200- Wind River Mountains East- 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Rain showers likely, a chance of thunderstorms and snow showers likely. Snow accumulation up to 1 inch. Near steady temperature in the upper 40s. West winds around 10 mph. Chance of precipitation 60 percent. .TONIGHT...Mostly cloudy. Rain showers likely with possible snow showers and thunderstorms in the evening. Snow accumulation up to 1 inch. Lows in the mid 30s. Chance of precipitation 60 percent. .TUESDAY...Mostly sunny. A slight chance of. Highs in the mid 50s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. West winds around 10 mph. .WEDNESDAY...Mostly sunny. Highs in the mid 50s. Northwest winds around 10 mph, becoming north with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s. .THURSDAY...Mostly sunny. Highs in the mid 50s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Mostly sunny. Highs in the upper 50s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 30s. .SATURDAY...Partly cloudy. Highs in the lower 50s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 30s. .SUNDAY...Mostly sunny. Highs in the mid 50s. $$ WYZ019-282200- Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Showers likely with a slight chance of thunderstorms. Highs in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent. .TONIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 40s. West winds around 10 mph in the evening. Chance of rain 30 percent. .TUESDAY...Partly cloudy. Highs in the mid 60s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. .WEDNESDAY...Mostly sunny. Highs in the upper 60s. North winds around 10 mph. Gusts up to 25 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 40s. .THURSDAY...Mostly sunny. Highs in the upper 60s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 40s. .FRIDAY...Mostly sunny and breezy. Highs in the lower 70s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the mid 60s. .SATURDAY NIGHT...Partly cloudy. Lows around 40. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the upper 60s. $$ WYZ024-282200- Salt River and Wyoming Ranges- 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Showers with a chance of thunderstorms. Highs in the mid 50s. West winds around 10 mph. Chance of rain 80 percent. .TONIGHT...Cloudy with rain showers likely with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 30s. North winds around 10 mph after midnight. Chance of rain 60 percent. .TUESDAY...Mostly sunny. Highs around 60. North winds around 10 mph in the afternoon. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. Northwest winds around 10 mph. Gusts up to 25 mph in the evening. .WEDNESDAY...Sunny. Highs in the lower 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Clear. Lows in the upper 30s. .THURSDAY...Sunny. Highs in the lower 60s. .THURSDAY NIGHT...Mostly clear. Lows around 40. .FRIDAY...Mostly sunny. Highs in the mid 60s. .FRIDAY NIGHT...Mostly clear. Lows around 40. .SATURDAY...Mostly sunny. Highs in the lower 60s. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .SUNDAY...Mostly sunny. Highs in the lower 60s. $$ WYZ030-282200- East Sweetwater County- Including the city of Wamsutter 1246 PM MDT Mon Sep 28 2026 .THIS AFTERNOON...Cloudy with showers likely with a chance of thunderstorms. Near steady temperature in the upper 50s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 60 percent. .TONIGHT...Cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 40s. West winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 60 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s. Northeast winds around 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows around 40. North winds around 10 mph. .WEDNESDAY...Partly cloudy in the morning, then clearing. Highs in the upper 60s. North winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Mostly clear. Lows around 40. .THURSDAY...Sunny. Highs in the upper 60s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 40s. .FRIDAY...Mostly sunny. Highs in the lower 70s. .FRIDAY NIGHT...Mostly clear. Lows in the lower 40s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs around 70. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. .SUNDAY...Partly cloudy in the morning, then clearing. Highs around 70. $$