Zone Forecast Product
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
832 FPUS55 KRIW 092150 ZFPRIW Zone Forecast Product for Western and Central Wyoming National Weather Service Riverton WY 348 PM MDT Sat May 9 2026 WYZ020-092300- Natrona County Lower Elevations- Including the city of Casper 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Showers likely with a chance of thunderstorms. Breezy with highs in the mid 50s. North winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 60 percent. .TONIGHT...Partly 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. North winds 10 to 15 mph with gusts up to 25 mph in the evening. Chance of rain 30 percent. .SUNDAY...Mostly sunny. Highs around 70. West winds around 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. Southwest winds 10 to 15 mph. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the lower 80s. West winds 15 to 20 mph with gusts up to 35 mph. .MONDAY NIGHT...Mostly clear and breezy. Lows in the mid 40s. .TUESDAY...Sunny. Highs in the mid 70s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. .WEDNESDAY...Mostly sunny. Highs in the mid 80s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s. .THURSDAY...Partly cloudy in the morning, then clearing. Breezy with highs around 80. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 40s. .FRIDAY...Mostly sunny. A slight chance of. Highs around 80. $$ WYZ017-092300- Wind River Basin- Including the cities of Riverton and Shoshoni 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Partly cloudy with a chance of showers with a slight chance of thunderstorms. Breezy with highs in the upper 50s. North winds 15 to 20 mph with gusts up to 40 mph. Chance of rain 30 percent. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. North winds 10 to 15 mph with gusts up to 25 mph in the evening. .SUNDAY...Mostly sunny. Highs in the lower 70s. Southwest winds around 10 mph with gusts up to 20 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. South winds around 10 mph, becoming southwest after midnight. .MONDAY...Partly cloudy and breezy. Highs in the mid 80s. Southwest winds around 10 mph with gusts up to 20 mph, increasing to west 20 to 25 mph with gusts up to 40 mph in the afternoon. .MONDAY NIGHT...Mostly clear and breezy. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs around 80. .TUESDAY NIGHT...Mostly clear. Lows around 50. .WEDNESDAY...Mostly sunny. Highs in the upper 80s. .WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the lower 50s. .THURSDAY...Partly cloudy in the morning, then clearing. Highs around 80. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. .FRIDAY...Mostly sunny. A slight chance of. Highs in the upper 70s. $$ WYZ018-092300- Lander Foothills- Including the city of Lander 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Showers likely with a slight chance of thunderstorms. Highs in the lower 60s. North winds around 10 mph with gusts up to 25 mph. Chance of rain 60 percent. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. North winds around 10 mph in the evening. .SUNDAY...Mostly sunny. Highs in the mid 70s. East winds around 10 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. Southwest winds around 10 mph. .MONDAY...Partly cloudy and breezy. Highs in the mid 80s. Southwest winds around 10 mph, increasing to west 20 to 25 mph with gusts up to 40 mph in the afternoon. .MONDAY NIGHT...Partly cloudy in the evening, then clearing. Breezy with lows around 50. .TUESDAY...Mostly sunny. Highs in the lower 80s. .TUESDAY NIGHT...Mostly clear. Lows around 50. .WEDNESDAY...Mostly sunny. Highs in the upper 80s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. .THURSDAY...Partly cloudy in the morning, then clearing. Highs around 80. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. .FRIDAY...Sunny. A slight chance of. Highs in the upper 70s. $$ WYZ028-092300- Rock Springs and Green River- Including the cities of Rock Springs and Green River 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Sunny, breezy. Near steady temperature in the mid 60s. Northwest winds 15 to 25 mph with gusts up to 35 mph. .TONIGHT...Mostly clear and breezy. Lows in the lower 30s. North winds 15 to 20 mph with gusts up to 35 mph, becoming east around 10 mph after midnight. .SUNDAY...Mostly sunny. Highs around 70. .SUNDAY NIGHT...Mostly clear. Lows around 40. .MONDAY...Mostly sunny and breezy. Highs in the lower 80s. Southwest winds around 10 mph, becoming west 15 to 20 mph with gusts up to 35 mph in the afternoon. .MONDAY NIGHT...Mostly clear and breezy. Lows in the mid 40s. .TUESDAY...Mostly sunny and breezy. Highs in the mid 80s. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Breezy with lows in the upper 40s. .THURSDAY...Mostly sunny. A slight chance of. Breezy with highs in the mid 70s. .THURSDAY NIGHT...Mostly clear and breezy. Lows around 40. .FRIDAY...Sunny. Highs in the mid 70s. $$ WYZ013-092300- Jackson Hole- Including the city of Jackson 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Mostly sunny. Highs around 60. Northwest winds around 10 mph with gusts up to 25 mph. .TONIGHT...Mostly clear. Lows in the mid 30s. Northwest winds around 10 mph with gusts up to 25 mph in the evening. .SUNDAY...Mostly sunny. Highs in the lower 70s. Southwest winds around 10 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows around 40. Southwest winds around 10 mph in the evening. .MONDAY...Mostly sunny and breezy. Highs in the upper 70s. South winds around 10 mph with gusts up to 20 mph, becoming southwest 15 to 20 mph with gusts up to 35 mph in the afternoon. .MONDAY NIGHT...Mostly clear and breezy. Lows in the lower 40s. .TUESDAY...Sunny. Highs around 80. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. .WEDNESDAY...Mostly sunny. Highs in the upper 70s. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 40s. Chance of rain 20 percent. .THURSDAY...Partly cloudy in the morning, then clearing. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent. .THURSDAY NIGHT...Mostly clear. Lows around 40. .FRIDAY...Mostly sunny. Highs in the lower 70s. $$ WYZ003-092300- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Breezy. Near steady temperature in the upper 50s. North winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent. .TONIGHT...Partly cloudy in the evening, then clearing. Breezy with lows around 40. North winds 15 to 20 mph with gusts up to 30 mph in the evening. .SUNDAY...Mostly sunny. Highs in the mid 70s. South winds 10 to 15 mph, becoming southeast in the afternoon. Gusts up to 30 mph. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Breezy with lows around 50. Southwest winds 15 to 20 mph with gusts up to 30 mph. .MONDAY...Partly cloudy in the morning, then clearing. Windy with highs around 80. West winds 10 to 15 mph with gusts up to 30 mph, increasing to northwest 20 to 30 mph with gusts up to 50 mph in the afternoon. .MONDAY NIGHT...Partly cloudy in the evening, then clearing. Breezy with lows in the lower 50s. .TUESDAY...Sunny. Highs in the upper 70s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 50s. .WEDNESDAY...Mostly sunny and breezy. Highs in the mid 80s. .WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the upper 50s. .THURSDAY...Partly cloudy in the morning, then mostly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the mid 70s. Chance of rain 30 percent. .THURSDAY NIGHT...Mostly clear and breezy. Lows in the lower 50s. .FRIDAY...Mostly sunny. A slight chance of. Breezy with highs in the mid 70s. $$ WYZ004-092300- North Bighorn Basin- Including the cities of Basin, Greybull, Lovell, Powell, and Shell 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Partly cloudy and breezy. Near steady temperature in the lower 60s. North winds 15 to 20 mph with gusts up to 35 mph. .TONIGHT...Mostly clear and breezy. Lows around 40. North winds 15 to 20 mph with gusts up to 30 mph in the evening. .SUNDAY...Mostly sunny. Highs in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. Southeast winds 10 to 15 mph. Gusts up to 30 mph in the evening. .MONDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the mid 80s. South winds around 10 mph, becoming northwest 15 to 20 mph with gusts up to 35 mph in the afternoon. .MONDAY NIGHT...Mostly clear and breezy. Lows around 50. .TUESDAY...Sunny. Highs around 80. .TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. .WEDNESDAY...Mostly sunny and breezy. Highs around 90. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. .THURSDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .THURSDAY NIGHT...Mostly clear. Lows around 50. .FRIDAY...Mostly sunny. Highs around 80. $$ WYZ006-092300- Southeast Bighorn Basin- Including the cities of Ten Sleep and Worland 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Partly cloudy and breezy. Highs around 60. North winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT...Partly cloudy in the evening, then clearing. Breezy with lows around 40. Northwest winds 15 to 20 mph with gusts up to 30 mph in the evening. .SUNDAY...Mostly sunny. Highs in the lower 70s. Southeast winds around 10 mph with gusts up to 20 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. Southeast winds around 10 mph. .MONDAY...Partly cloudy. Highs in the mid 80s. South winds around 10 mph, becoming west with gusts up to 25 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows around 50. .TUESDAY...Sunny. Highs around 80. .TUESDAY NIGHT...Mostly clear. Lows around 50. .WEDNESDAY...Mostly sunny. Highs around 90. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. .THURSDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the lower 80s. .THURSDAY NIGHT...Mostly clear. Lows around 50. .FRIDAY...Sunny. A slight chance of. Highs around 80. $$ WYZ005-092300- Southwest Bighorn Basin- Including the city of Thermopolis 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Partly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 50s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. .TONIGHT...Partly cloudy in the evening, then clearing. Lows around 40. North winds 10 to 15 mph with gusts up to 25 mph in the evening. .SUNDAY...Mostly sunny. Highs in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. Southeast winds around 10 mph with gusts up to 25 mph, becoming southwest after midnight. .MONDAY...Partly cloudy and breezy. Highs in the mid 80s. Southwest winds around 10 mph, becoming west 15 to 20 mph with gusts up to 35 mph in the afternoon. .MONDAY NIGHT...Mostly clear and breezy. Lows around 50. .TUESDAY...Sunny. Highs around 80. .TUESDAY NIGHT...Mostly clear. Lows around 50. .WEDNESDAY...Mostly sunny and breezy. Highs in the upper 80s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. .THURSDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .THURSDAY NIGHT...Mostly clear. Lows around 50. .FRIDAY...Sunny. A slight chance of. Highs in the upper 70s. $$ WYZ023-092300- Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Mostly sunny. Highs in the lower 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .TONIGHT...Clear. Lows in the mid 30s. North winds around 10 mph with gusts up to 25 mph in the evening. .SUNDAY...Mostly sunny. Highs in the mid 70s. .SUNDAY NIGHT...Mostly clear. Lows around 40. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. West winds 10 to 15 mph with gusts up to 25 mph in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. .TUESDAY...Mostly sunny. Highs in the mid 80s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s. .WEDNESDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the mid 40s. Chance of rain 20 percent. .THURSDAY...Partly cloudy in the morning, then clearing. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent. .THURSDAY NIGHT...Mostly clear. Lows around 40. .FRIDAY...Mostly sunny. Highs in the mid 70s. $$ WYZ025-092300- Upper Green River Basin Foothills- Including the city of Pinedale 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Mostly sunny and breezy. Highs in the upper 50s. Northwest winds 15 to 20 mph with gusts up to 35 mph. .TONIGHT...Mostly clear and breezy. Lows around 30. North winds 15 to 20 mph with gusts up to 30 mph in the evening. .SUNDAY...Mostly sunny. Highs around 70. West winds around 10 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the mid 30s. Northwest winds around 10 mph in the evening. .MONDAY...Mostly sunny and breezy. Highs in the upper 70s. West winds 20 to 25 mph with gusts up to 35 mph in the afternoon. .MONDAY NIGHT...Mostly clear and breezy. Lows around 40. .TUESDAY...Mostly sunny and breezy. Highs in the upper 70s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. .WEDNESDAY...Mostly sunny. Highs around 80. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 40s. Chance of rain 20 percent. .THURSDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs around 70. Chance of rain 20 percent. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Mostly sunny. A slight chance of. Highs around 70. $$ WYZ026-092300- Upper Green River Basin- Including the cities of La Barge, Big Piney, and Farson 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Mostly sunny and breezy. Near steady temperature in the lower 60s. Northwest winds 20 to 25 mph with gusts up to 35 mph. .TONIGHT...Mostly clear and breezy. Lows around 30. North winds 15 to 20 mph with gusts up to 30 mph in the evening. .SUNDAY...Mostly sunny. Highs around 70. West winds around 10 mph with gusts up to 20 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the mid 30s. West winds around 10 mph with gusts up to 20 mph in the evening. .MONDAY...Mostly sunny and breezy. Highs around 80. Southwest winds around 10 mph, increasing to west 20 to 25 mph with gusts up to 40 mph in the afternoon. .MONDAY NIGHT...Mostly clear and breezy. Lows in the lower 40s. .TUESDAY...Mostly sunny and breezy. Highs in the lower 80s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. .WEDNESDAY...Mostly sunny. Highs around 80. .WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the lower 40s. .THURSDAY...Mostly sunny. A slight chance of. Breezy with highs in the lower 70s. .THURSDAY NIGHT...Mostly clear and breezy. Lows in the upper 30s. .FRIDAY...Sunny, breezy with highs in the lower 70s. $$ WYZ010-092300- Northeast Johnson County- Including the city of Buffalo 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Showers with a chance of thunderstorms. Near steady temperature in the mid 50s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 80 percent. .TONIGHT...Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph in the evening. Chance of rain 30 percent. .SUNDAY...Mostly sunny. Highs in the lower 70s. East winds around 10 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. Southeast winds around 10 mph, becoming southwest with gusts up to 20 mph after midnight. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the lower 80s. Southwest winds 10 to 15 mph, becoming north in the afternoon. Gusts up to 30 mph. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. .TUESDAY...Sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny and breezy. Highs in the upper 80s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s. .THURSDAY...Partly cloudy in the morning, then mostly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent. .THURSDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows around 50. Chance of rain 20 percent. .FRIDAY...Mostly sunny. A slight chance of. Highs in the upper 70s. $$ WYZ011-092300- Southeast Johnson County- Including the city of Kaycee 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Showers likely with a chance of thunderstorms. Highs in the lower 50s. North winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70 percent. .TONIGHT...Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 30s. North winds 10 to 15 mph in the evening. Chance of rain 30 percent. .SUNDAY...Mostly sunny. Warmer with highs in the lower 70s. Southwest winds around 10 mph. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. Southwest winds around 10 mph. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the lower 80s. Southwest winds 10 to 15 mph, becoming northwest in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. .TUESDAY...Sunny. Highs in the mid 70s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. .WEDNESDAY...Mostly sunny. Highs in the upper 80s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s. .THURSDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs around 80. .THURSDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows around 50. Chance of rain 20 percent. .FRIDAY...Mostly sunny. A slight chance of. Highs in the upper 70s. $$ WYZ027-092300- South Lincoln County- Including the cities of Kemmerer and Cokeville 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Sunny, breezy. Near steady temperature in the lower 60s. Northwest winds 15 to 25 mph with gusts up to 35 mph. .TONIGHT...Clear, breezy with lows in the lower 30s. Northwest winds 15 to 20 mph with gusts up to 30 mph in the evening. .SUNDAY...Mostly sunny. Highs around 70. West winds around 10 mph with gusts up to 20 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. West winds around 10 mph with gusts up to 20 mph in the evening. .MONDAY...Mostly sunny and breezy. Highs in the lower 80s. Southwest winds around 10 mph with gusts up to 20 mph, increasing to west 20 to 25 mph with gusts up to 35 mph in the afternoon. .MONDAY NIGHT...Mostly clear and breezy. Lows in the lower 40s. .TUESDAY...Mostly sunny and breezy. Highs in the lower 80s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. .WEDNESDAY...Mostly sunny. Highs around 80. .WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the mid 40s. .THURSDAY...Mostly sunny and breezy. Highs in the lower 70s. .THURSDAY NIGHT...Mostly clear. Lows around 40. .FRIDAY...Mostly sunny and breezy. Highs in the lower 70s. $$ WYZ016-092300- Upper Wind River Basin- Including the city of Dubois 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Partly cloudy with a chance of showers with a slight chance of thunderstorms. Breezy. Near steady temperature in the mid 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent. .TONIGHT...Mostly clear. Lows in the mid 30s. North winds 10 to 15 mph with gusts up to 25 mph in the evening. .SUNDAY...Mostly sunny. Highs in the upper 60s. West winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. West winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Partly cloudy in the morning, then clearing. Windy with highs in the mid 70s. West winds 15 to 20 mph with gusts up to 30 mph, increasing to 25 to 35 mph with gusts up to 45 mph in the afternoon. .MONDAY NIGHT...Mostly clear and windy. Lows in the mid 40s. .TUESDAY...Mostly sunny. Highs in the upper 70s. .TUESDAY NIGHT...Mostly clear. Lows around 50. .WEDNESDAY...Mostly sunny. Highs in the upper 70s. .WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the upper 40s. .THURSDAY...Partly cloudy in the morning, then clearing. A slight chance of. Breezy with highs in the lower 70s. .THURSDAY NIGHT...Mostly clear and breezy. Lows in the mid 40s. .FRIDAY...Mostly sunny. A slight chance of. Breezy with highs in the lower 70s. $$ WYZ001-092300- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Partly cloudy. Near steady temperature in the upper 40s. Northwest winds around 10 mph with gusts up to 20 mph. .TONIGHT...Mostly clear. Lows around 30. Northwest winds around 10 mph with gusts up to 20 mph in the evening. .SUNDAY...Mostly sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. South winds 10 to 15 mph. Gusts up to 30 mph in the evening. .MONDAY...Mostly sunny. Highs in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 35 mph. .MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .TUESDAY...Mostly sunny. Highs in the upper 60s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 70. .WEDNESDAY NIGHT...Partly cloudy. Lows around 40. .THURSDAY...Partly cloudy with a slight chance of rain and snow showers in the morning, then mostly sunny with a chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Mostly clear. A slight chance of rain showers in the evening. Lows in the upper 30s. Chance of rain 20 percent. .FRIDAY...Mostly sunny. A slight chance of. Highs in the lower 60s. $$ WYZ029-092300- Flaming Gorge- 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Sunny, breezy. Near steady temperature in the mid 60s. Northwest winds 15 to 25 mph with gusts up to 40 mph. .TONIGHT...Mostly clear and breezy. Lows in the upper 30s. North winds 20 to 25 mph with gusts up to 40 mph, becoming east around 10 mph after midnight. .SUNDAY...Sunny. Highs in the upper 60s. West winds around 10 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. South winds around 10 mph. .MONDAY...Mostly sunny and breezy. Highs around 80. South winds around 10 mph, becoming west 15 to 20 mph with gusts up to 30 mph in the afternoon. .MONDAY NIGHT...Mostly clear and breezy. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the lower 80s. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 50. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Breezy with lows around 50. .THURSDAY...Mostly sunny and breezy. Highs in the mid 70s. .THURSDAY NIGHT...Mostly clear and breezy. Lows in the mid 40s. .FRIDAY...Mostly sunny and breezy. Highs in the mid 70s. $$ WYZ022-092300- Casper Mountain- 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Rain showers with a chance of thunderstorms. Highs around 50. North winds around 10 mph with gusts up to 25 mph. Chance of rain 80 percent. .TONIGHT...Partly cloudy with rain showers likely with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 30s. North winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 60 percent. .SUNDAY...Mostly sunny. Highs in the lower 60s. West winds around 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. South winds around 10 mph with gusts up to 20 mph. .MONDAY...Mostly sunny and breezy. Highs in the mid 70s. Southwest winds 15 to 20 mph with gusts up to 35 mph. .MONDAY NIGHT...Mostly clear. Lows in the lower 40s. .TUESDAY...Sunny. Highs around 70. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. .WEDNESDAY...Mostly sunny. Highs in the upper 70s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s. .THURSDAY...Partly cloudy and breezy. Highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .FRIDAY...Mostly sunny. A slight chance of. Highs around 70. $$ WYZ002-092300- Absaroka Mountains- 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Partly cloudy with a chance of rain showers, snow showers with a slight chance of thunderstorms. Near steady temperature in the lower 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 30 percent. .TONIGHT...Mostly clear. Lows in the upper 20s. Northwest winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY...Mostly sunny. Highs in the mid 50s. West winds 10 to 15 mph with gusts up to 30 mph. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Breezy with lows in the upper 30s. West winds 15 to 20 mph with gusts up to 35 mph. .MONDAY...Mostly sunny and windy. Highs in the lower 60s. West winds 15 to 20 mph with gusts up to 40 mph, increasing to 20 to 30 mph with gusts up to 50 mph in the afternoon. .MONDAY NIGHT...Mostly clear and windy. Lows in the upper 30s. .TUESDAY...Sunny. Highs in the lower 60s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. .WEDNESDAY...Mostly sunny and breezy. Highs in the mid 60s. .WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the lower 40s. .THURSDAY...Partly cloudy in the morning, then mostly sunny with a chance of rain showers, a slight chance of thunderstorms and snow showers in the afternoon. Breezy with highs in the mid 50s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Mostly clear. A slight chance of rain and snow showers in the evening. Breezy with lows in the upper 30s. Chance of precipitation 20 percent. .FRIDAY...Mostly sunny. A slight chance of rain showers, thunderstorms and snow showers in the afternoon. Breezy with highs in the mid 50s. Chance of precipitation 20 percent. $$ WYZ007-092300- Owl Creek and Bridger Mountains- 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Partly cloudy with a chance of rain showers with a slight chance of thunderstorms. Breezy with highs in the lower 50s. North winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 30 percent. .TONIGHT...Partly cloudy in the evening, then clearing. Breezy with lows in the upper 30s. North winds 15 to 20 mph in the evening. .SUNDAY...Mostly sunny. Highs in the upper 60s. Southwest winds around 10 mph. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. South winds 10 to 15 mph. .MONDAY...Partly cloudy and breezy. Highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph, increasing to west 20 to 25 mph with gusts up to 40 mph in the afternoon. .MONDAY NIGHT...Mostly clear and breezy. Lows around 50. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. .WEDNESDAY...Mostly sunny and breezy. Highs in the lower 80s. .WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the mid 50s. .THURSDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Breezy with highs in the mid 70s. Chance of rain 20 percent. .THURSDAY NIGHT...Mostly clear and breezy. Lows around 50. .FRIDAY...Sunny. A slight chance of. Breezy with highs in the lower 70s. $$ WYZ008-092300- Bighorn Mountains West- 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Partly cloudy with snow showers likely, a chance of thunderstorms and rain showers. Snow accumulation up to 1 inch. Highs in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 35 mph. Chance of precipitation 60 percent. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. North winds 10 to 15 mph. Gusts up to 30 mph in the evening. .SUNDAY...Mostly sunny. Highs around 60. West winds around 10 mph with gusts up to 25 mph. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. South winds 10 to 15 mph with gusts up to 25 mph. .MONDAY...Partly cloudy in the morning, then clearing. Highs around 70. Southwest winds 10 to 15 mph with gusts up to 35 mph. .MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .TUESDAY...Sunny. Highs in the mid 60s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny and breezy. Highs in the mid 70s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s. .THURSDAY...Partly cloudy in the morning, then mostly sunny with a chance of rain showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the upper 60s. Chance of rain 30 percent. .THURSDAY NIGHT...Partly cloudy with a slight chance of rain showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 40s. Chance of rain 20 percent. .FRIDAY...Mostly sunny. A slight chance of rain showers and thunderstorms in the afternoon. Breezy with highs in the upper 60s. Chance of rain 20 percent. $$ WYZ009-092300- Bighorn Mountains Southeast- 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Mostly cloudy with rain showers, snow showers with a chance of thunderstorms. Snow accumulation up to 1 inch. Highs in the mid 40s. North winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 80 percent. .TONIGHT...Partly cloudy with a chance of rain showers, snow showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 30s. North winds 10 to 15 mph with gusts up to 30 mph, becoming west with gusts up to 20 mph after midnight. Chance of precipitation 30 percent. .SUNDAY...Mostly sunny. Highs around 60. West winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT...Partly cloudy and breezy. Lows in the mid 40s. West winds around 10 mph, increasing to 15 to 20 mph after midnight. .MONDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the lower 70s. West winds 15 to 20 mph with gusts up to 40 mph. .MONDAY NIGHT...Mostly clear and breezy. Lows in the lower 40s. .TUESDAY...Sunny. Highs in the mid 60s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. .WEDNESDAY...Mostly sunny and breezy. Highs in the mid 70s. .WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the lower 50s. .THURSDAY...Partly cloudy in the morning, then mostly sunny with a chance of rain showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the upper 60s. Chance of rain 40 percent. .THURSDAY NIGHT...Mostly clear. A chance of rain showers with a slight chance of thunderstorms in the evening. Breezy with lows in the mid 40s. Chance of rain 30 percent. .FRIDAY...Mostly sunny. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the upper 60s. Chance of rain 30 percent. $$ WYZ012-092300- Teton and Gros Ventre Mountains- 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Partly cloudy. Near steady temperature in the upper 40s. Northwest winds 10 to 15 mph with gusts up to 30 mph. .TONIGHT...Mostly clear. Lows around 30. Northwest winds 10 to 15 mph with gusts up to 30 mph in the evening. .SUNDAY...Mostly sunny. Highs in the upper 50s. South winds around 10 mph, becoming west in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. Southwest winds around 10 mph, becoming southeast after midnight. Gusts up to 25 mph. .MONDAY...Mostly sunny and breezy. Highs in the mid 60s. South winds 10 to 15 mph with gusts up to 30 mph, increasing to west 20 to 25 mph with gusts up to 40 mph in the afternoon. .MONDAY NIGHT...Mostly clear and breezy. Lows around 40. .TUESDAY...Mostly sunny. Highs in the mid 60s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 60s. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of rain showers and thunderstorms in the evening. Lows in the lower 40s. Chance of rain 20 percent. .THURSDAY...Partly cloudy in the morning, then clearing. A slight chance of rain and snow showers. A slight chance of thunderstorms in the afternoon. Highs around 60. Chance of precipitation 20 percent. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Mostly sunny. A slight chance of. Breezy with highs in the upper 50s. $$ WYZ014-092300- Wind River Mountains West- 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Partly cloudy and breezy. Near steady temperature in the mid 40s. Northwest winds 15 to 20 mph with gusts up to 35 mph. .TONIGHT...Mostly clear. Lows in the upper 20s. North winds 10 to 15 mph with gusts up to 30 mph in the evening. .SUNDAY...Mostly sunny. Highs in the mid 50s. West winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT...Mostly clear. Lows in the mid 30s. West winds 10 to 15 mph. .MONDAY...Mostly sunny and windy. Highs in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 30 mph, increasing to west 20 to 30 mph with gusts up to 40 mph in the afternoon. .MONDAY NIGHT...Mostly clear and breezy. Lows in the upper 30s. .TUESDAY...Mostly sunny. Highs in the mid 60s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. .WEDNESDAY...Mostly sunny and breezy. Highs in the upper 60s. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of rain showers and thunderstorms in the evening. Breezy with lows around 40. Chance of rain 20 percent. .THURSDAY...Partly cloudy. A slight chance of rain and snow showers in the morning, then a chance of rain showers, snow showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the upper 50s. Chance of precipitation 30 percent. .THURSDAY NIGHT...Mostly clear and breezy. Lows in the mid 30s. .FRIDAY...Mostly sunny. A slight chance of. Breezy with highs in the upper 50s. $$ WYZ015-092300- Wind River Mountains East- 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Partly cloudy with a chance of snow showers, rain showers with a slight chance of thunderstorms. Breezy. Near steady temperature in the lower 40s. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of precipitation 30 percent. .TONIGHT...Mostly clear. Lows in the upper 20s. Northwest winds 10 to 15 mph with gusts up to 30 mph, becoming west with gusts up to 20 mph after midnight. .SUNDAY...Mostly sunny. Highs in the mid 50s. West winds 10 to 15 mph with gusts up to 25 mph. .SUNDAY NIGHT...Mostly clear and breezy. Lows in the upper 30s. West winds 15 to 20 mph with gusts up to 30 mph. .MONDAY...Partly cloudy in the morning, then clearing. Windy with highs in the lower 60s. West winds 15 to 20 mph with gusts up to 35 mph, increasing to 25 to 35 mph with gusts up to 60 mph in the afternoon. .MONDAY NIGHT...Mostly clear and windy. Lows in the lower 40s. .TUESDAY...Mostly sunny and breezy. Highs in the lower 60s. .TUESDAY NIGHT...Mostly clear. Lows in the lower 40s. .WEDNESDAY...Mostly sunny and breezy. Highs in the mid 60s. .WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the lower 40s. .THURSDAY...Partly cloudy in the morning, then clearing. A slight chance of snow showers. A slight chance of rain showers and thunderstorms in the afternoon. Breezy with highs in the upper 50s. Chance of precipitation 20 percent. .THURSDAY NIGHT...Mostly clear and breezy. Lows in the upper 30s. .FRIDAY...Mostly sunny. A slight chance of rain showers, thunderstorms and snow showers in the afternoon. Breezy with highs in the upper 50s. Chance of precipitation 20 percent. $$ WYZ019-092300- Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Partly cloudy with showers with a chance of thunderstorms. Breezy with highs in the upper 50s. North winds 20 to 25 mph with gusts up to 35 mph. Chance of rain 80 percent. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 30s. North winds 10 to 15 mph with gusts up to 30 mph in the evening. .SUNDAY...Mostly sunny. Highs in the upper 60s. West winds around 10 mph with gusts up to 25 mph. .SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. Southwest winds around 10 mph with gusts up to 25 mph. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the upper 70s. Southwest winds 15 to 20 mph with gusts up to 40 mph. .MONDAY NIGHT...Partly cloudy in the evening, then clearing. Breezy with lows in the mid 40s. .TUESDAY...Mostly sunny. Highs in the upper 70s. .TUESDAY NIGHT...Mostly clear. Lows in the mid 40s. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 40s. .THURSDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the mid 70s. .THURSDAY NIGHT...Mostly clear and breezy. Lows in the mid 40s. .FRIDAY...Mostly sunny. A slight chance of. Highs in the mid 70s. $$ WYZ024-092300- Salt River and Wyoming Ranges- 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Mostly sunny and breezy. Near steady temperature in the lower 50s. Northwest winds 15 to 20 mph with gusts up to 40 mph. .TONIGHT...Clear, breezy with lows in the lower 30s. Northwest winds 15 to 20 mph with gusts up to 35 mph in the evening. .SUNDAY...Mostly sunny. Highs in the mid 60s. South winds around 10 mph, becoming west with gusts up to 25 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. West winds around 10 mph with gusts up to 25 mph, becoming southwest after midnight. .MONDAY...Mostly sunny and breezy. Highs in the lower 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph, increasing to west 20 to 25 mph with gusts up to 40 mph in the afternoon. .MONDAY NIGHT...Mostly clear and breezy. Lows in the mid 40s. .TUESDAY...Mostly sunny. Highs in the mid 70s. .TUESDAY NIGHT...Mostly clear. Lows in the upper 40s. .WEDNESDAY...Mostly sunny and breezy. Highs in the mid 70s. .WEDNESDAY NIGHT...Partly cloudy and breezy. Lows in the mid 40s. .THURSDAY...Partly cloudy in the morning, then clearing. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Breezy with highs in the mid 60s. Chance of rain 20 percent. .THURSDAY NIGHT...Mostly clear. Lows around 40. .FRIDAY...Mostly sunny and breezy. Highs in the mid 60s. $$ WYZ030-092300- East Sweetwater County- Including the city of Wamsutter 348 PM MDT Sat May 9 2026 .THIS AFTERNOON...Mostly sunny and breezy. Highs in the mid 60s. Northwest winds 15 to 25 mph with gusts up to 35 mph. .TONIGHT...Mostly clear and breezy. Lows in the lower 30s. North winds 20 to 25 mph with gusts up to 35 mph, becoming northeast around 10 mph after midnight. .SUNDAY...Sunny. Highs around 70. West winds around 10 mph with gusts up to 20 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows around 40. Southwest winds around 10 mph. .MONDAY...Mostly sunny and breezy. Highs around 80. Southwest winds 15 to 20 mph. Gusts up to 35 mph in the afternoon. .MONDAY NIGHT...Partly cloudy in the evening, then clearing. Breezy with lows in the mid 40s. .TUESDAY...Mostly sunny and breezy. Highs in the lower 80s. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Breezy with lows around 50. .THURSDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the mid 70s. .THURSDAY NIGHT...Mostly clear and breezy. Lows in the lower 40s. .FRIDAY...Mostly sunny and breezy. Highs in the mid 70s. $$