Zone Forecast Product
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
847 FPUS55 KRIW 202333 ZFPRIW Zone Forecast Product for Western and Central Wyoming National Weather Service Riverton WY 531 PM MDT Thu Aug 20 2026 WYZ020-211000- Natrona County Lower Elevations- Including the city of Casper 531 PM MDT Thu Aug 20 2026 .TONIGHT...Patchy smoke this evening. Partly cloudy. Lows around 60. North winds around 10 mph this evening. .FRIDAY...Mostly sunny. Highs in the lower 90s. Southwest winds around 10 mph, becoming northwest in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY...Partly cloudy. A slight chance of. Highs in the upper 80s. East winds 10 to 15 mph. .SATURDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. Southeast winds 10 to 15 mph, becoming southwest after midnight. Chance of rain 30 percent. .SUNDAY...Partly cloudy in the morning, then clearing. Breezy with highs around 90. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 50s. Chance of rain 20 percent. .MONDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 50s. Chance of rain 30 percent. .TUESDAY...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. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the mid 80s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. .THURSDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the mid 80s. $$ WYZ017-211000- Wind River Basin- Including the cities of Riverton and Shoshoni 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows in the lower 60s. North winds around 10 mph, becoming west after midnight. .FRIDAY...Partly cloudy. Highs in the lower 90s. Southwest winds around 10 mph, becoming north in the afternoon. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 60s. North winds around 10 mph with gusts up to 25 mph. .SATURDAY...Partly cloudy. Highs in the upper 80s. South winds around 10 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 60s. West winds around 10 mph. Chance of rain 30 percent. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy. Lows around 60. .MONDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 20 percent. .TUESDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the mid 80s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. .THURSDAY...Partly cloudy. A slight chance of. Highs in the mid 80s. $$ WYZ018-211000- Lander Foothills- Including the city of Lander 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows in the lower 60s. West winds around 10 mph. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs around 90. Northeast winds around 10 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy. Lows in the mid 60s. Northwest winds around 10 mph in the evening. .SATURDAY...Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 80s. Southeast winds around 10 mph in the afternoon. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows around 60. Southwest winds around 10 mph. .SUNDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 50s. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. .MONDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. .TUESDAY...Partly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. .WEDNESDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. .THURSDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. $$ WYZ028-211000- Rock Springs and Green River- Including the cities of Rock Springs and Green River 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy this evening, then clearing. Lows in the upper 50s. Southwest winds around 10 mph this evening. .FRIDAY...Mostly sunny. Highs in the lower 90s. West winds around 10 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s. Northwest winds around 10 mph, becoming north after midnight. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. West winds around 10 mph in the afternoon. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 50s. West winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 30 percent. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 50s. Chance of rain 30 percent. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. .MONDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows around 50. Chance of rain 20 percent. .TUESDAY...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. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. .WEDNESDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 50s. .THURSDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. $$ WYZ013-211000- Jackson Hole- Including the city of Jackson 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows in the lower 50s. West winds around 10 mph this evening. .FRIDAY...Partly cloudy. Highs in the upper 80s. .FRIDAY NIGHT...Mostly cloudy. Lows in the mid 50s. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Southwest winds around 10 mph in the afternoon. Chance of rain 30 percent. .SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows around 50. Chance of rain 50 percent. .SUNDAY...Partly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 40s. Chance of rain 30 percent. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 50 percent. .MONDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 40s. Chance of rain 40 percent. .TUESDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .WEDNESDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 40s. .THURSDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent. $$ WYZ003-211000- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 531 PM MDT Thu Aug 20 2026 .TONIGHT...Patchy smoke this evening. Partly cloudy. Lows in the lower 60s. North winds around 10 mph, becoming southwest after midnight. .FRIDAY...Partly cloudy in the morning, then clearing. Patchy smoke. Highs in the mid 80s. Northwest winds around 10 mph, becoming north in the afternoon. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 60s. North winds around 10 mph in the evening. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. South winds around 10 mph in the afternoon. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s. West winds around 10 mph with gusts up to 20 mph. .SUNDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 60. Chance of rain 20 percent. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 30 percent. .MONDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 50s. Chance of rain 30 percent. .TUESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. .THURSDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent. $$ WYZ004-211000- North Bighorn Basin- Including the cities of Basin, Greybull, Lovell, Powell, and Shell 531 PM MDT Thu Aug 20 2026 .TONIGHT...Patchy smoke this evening. Partly cloudy. Lows in the lower 60s. North winds around 10 mph this evening. .FRIDAY...Mostly sunny. Patchy smoke. Highs in the lower 90s. North winds 10 to 15 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds 10 to 15 mph in the evening. .SATURDAY...Partly cloudy. A slight chance of. Highs around 90. South winds around 10 mph in the afternoon. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s. Northwest winds around 10 mph in the evening. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows around 60. Chance of rain 20 percent. .MONDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 20 percent. .TUESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the lower 80s. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 50s. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the mid 80s. .WEDNESDAY NIGHT...Partly cloudy. Lows around 60. .THURSDAY...Partly cloudy in the morning, then clearing. Highs in the mid 80s. $$ WYZ006-211000- Southeast Bighorn Basin- Including the cities of Ten Sleep and Worland 531 PM MDT Thu Aug 20 2026 .TONIGHT...Patchy smoke this evening. Partly cloudy. Lows in the mid 60s. Northeast winds around 10 mph this evening. .FRIDAY...Partly cloudy in the morning, then clearing. Patchy smoke in the afternoon. Highs in the lower 90s. Northwest winds around 10 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds around 10 mph, becoming south after midnight. .SATURDAY...Partly cloudy. A slight chance of. Highs around 90. South winds around 10 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 60s. South winds around 10 mph in the evening. Chance of rain 20 percent. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows around 60. Chance of rain 20 percent. .MONDAY...Mostly sunny. A slight chance of. Highs in the mid 80s. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 60. Chance of rain 20 percent. .TUESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the lower 80s. .TUESDAY NIGHT...Partly cloudy. Lows around 60. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the mid 80s. .WEDNESDAY NIGHT...Partly cloudy. Lows around 60. .THURSDAY...Partly cloudy. A slight chance of. Highs in the mid 80s. $$ WYZ005-211000- Southwest Bighorn Basin- Including the city of Thermopolis 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows in the mid 60s. Northeast winds around 10 mph, becoming southwest after midnight. .FRIDAY...Partly cloudy in the morning, then clearing. Patchy smoke in the afternoon. Highs around 90. North winds around 10 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds around 10 mph in the evening. .SATURDAY...Partly cloudy. A slight chance of. Highs in the upper 80s. South winds around 10 mph in the afternoon. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 60s. West winds around 10 mph in the evening. Chance of rain 20 percent. .SUNDAY...Mostly sunny in the morning, then partly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows around 60. Chance of rain 20 percent. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 60. Chance of rain 20 percent. .TUESDAY...Partly cloudy. A slight chance of. Highs in the lower 80s. .TUESDAY NIGHT...Partly cloudy. Lows around 60. .WEDNESDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows around 60. .THURSDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. $$ WYZ023-211000- Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows in the mid 50s. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 90. .FRIDAY NIGHT...Mostly cloudy. A slight chance of. Lows in the upper 50s. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. .SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower 50s. Chance of rain 40 percent. .SUNDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 40s. Chance of rain 30 percent. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 40 percent. .MONDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the upper 40s. Chance of rain 20 percent. .TUESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. .WEDNESDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 40s. .THURSDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent. $$ WYZ025-211000- Upper Green River Basin Foothills- Including the city of Pinedale 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows in the lower 50s. Northwest winds around 10 mph this evening. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s. West winds around 10 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. Northeast winds around 10 mph in the evening. .SATURDAY...Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Southwest winds around 10 mph in the afternoon. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows around 50. Chance of rain 30 percent. .SUNDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 40s. Chance of rain 20 percent. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 40 percent. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 40s. Chance of rain 20 percent. .TUESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .WEDNESDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .THURSDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent. $$ WYZ026-211000- Upper Green River Basin- Including the cities of La Barge, Big Piney, and Farson 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows in the mid 50s. West winds around 10 mph this evening. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 80s. West winds around 10 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows around 60. North winds around 10 mph. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 80. Southwest winds around 10 mph in the afternoon. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows around 50. West winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 20 percent. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy. Lows around 50. .MONDAY...Partly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 40s. Chance of rain 20 percent. .TUESDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. .WEDNESDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 40s. Chance of rain 20 percent. .THURSDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. $$ WYZ010-211000- Northeast Johnson County- Including the city of Buffalo 531 PM MDT Thu Aug 20 2026 .TONIGHT...Patchy smoke this evening. Partly cloudy. Lows in the lower 60s. Northeast winds around 10 mph this evening. .FRIDAY...Partly cloudy in the morning, then clearing. Patchy smoke. Highs around 90. Southwest winds around 10 mph, becoming north with gusts up to 25 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds 10 to 15 mph with gusts up to 25 mph in the evening. .SATURDAY...Partly cloudy. A slight chance of. Breezy with highs around 90. Southeast winds 15 to 20 mph with gusts up to 30 mph. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 60s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 30 percent. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows around 60. Chance of rain 20 percent. .MONDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows around 60. Chance of rain 30 percent. .TUESDAY...Partly cloudy in the morning, then mostly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 60. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the mid 80s. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 60. Chance of rain 20 percent. .THURSDAY...Partly cloudy. A slight chance of. Highs in the mid 80s. $$ WYZ011-211000- Southeast Johnson County- Including the city of Kaycee 531 PM MDT Thu Aug 20 2026 .TONIGHT...Patchy smoke this evening. Partly cloudy. Lows around 60. North winds 10 to 15 mph, becoming west after midnight. .FRIDAY...Partly cloudy in the morning, then clearing. Patchy smoke. Highs around 90. Southwest winds around 10 mph, becoming north with gusts up to 25 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds 10 to 15 mph. .SATURDAY...Partly cloudy. A slight chance of. Highs in the upper 80s. Southeast winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. Southeast winds 10 to 15 mph with gusts up to 30 mph, becoming southwest with gusts up to 20 mph after midnight. Chance of rain 30 percent. .SUNDAY...Partly cloudy. A slight chance of. Highs in the lower 90s. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows around 60. Chance of rain 20 percent. .MONDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 20 percent. .TUESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the lower 80s. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the mid 80s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. .THURSDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. $$ WYZ027-211000- South Lincoln County- Including the cities of Kemmerer and Cokeville 531 PM MDT Thu Aug 20 2026 .TONIGHT...Mostly clear. Lows in the mid 50s. West winds around 10 mph this evening. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 90. Southwest winds around 10 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy in the evening, then partly cloudy with a chance of showers after midnight. Lows around 60. West winds around 10 mph in the evening. Chance of rain 30 percent. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds around 10 mph in the afternoon. Chance of rain 40 percent. .SATURDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 50s. Southwest winds around 10 mph in the evening. Chance of rain 20 percent. .SUNDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s. .MONDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy. Lows around 50. .TUESDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows around 50. .THURSDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent. $$ WYZ016-211000- Upper Wind River Basin- Including the city of Dubois 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows in the mid 50s. Northwest winds 10 to 15 mph. .FRIDAY...Partly cloudy. A slight chance of. Highs in the mid 80s. Northwest winds around 10 mph. .FRIDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows around 60. North winds around 10 mph in the evening. Chance of rain 30 percent. .SATURDAY...Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Southwest winds around 10 mph in the afternoon. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 50s. West winds 10 to 15 mph. Chance of rain 40 percent. .SUNDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Breezy with highs in the upper 70s. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. Lows around 50. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 40 percent. .MONDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows around 50. Chance of rain 30 percent. .TUESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 50. Chance of rain 20 percent. .THURSDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. $$ WYZ001-211000- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows around 50. Southwest winds around 10 mph this evening. .FRIDAY...Mostly sunny. Highs around 80. West winds around 10 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. South winds around 10 mph, becoming southwest in the afternoon. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 40s. South winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 50 percent. .SUNDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 40s. Chance of rain 20 percent. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 40 percent. .MONDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 40s. Chance of rain 30 percent. .TUESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 40s. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs around 70. Chance of rain 20 percent. .WEDNESDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 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 in the upper 60s. Chance of rain 20 percent. $$ WYZ029-211000- Flaming Gorge- 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy this evening, then clearing. Lows around 60. Southwest winds 10 to 15 mph this evening. .FRIDAY...Mostly sunny. Highs in the upper 80s. Northwest winds around 10 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s. West winds around 10 mph in the evening. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. West winds around 10 mph in the afternoon. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows around 60. Southwest winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 30 percent. .SUNDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 60 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 50s. Chance of rain 30 percent. .MONDAY...Mostly cloudy in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 30 percent. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Chance of rain 20 percent. .TUESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs around 80. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 50s. .WEDNESDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 50s. .THURSDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. $$ WYZ022-211000- Casper Mountain- 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows around 60. Northeast winds around 10 mph this evening. .FRIDAY...Mostly sunny. Highs in the mid 80s. Southwest winds around 10 mph, becoming northwest in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast winds around 10 mph in the evening. .SATURDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs around 80. South winds around 10 mph in the afternoon. Chance of rain 60 percent. .SATURDAY NIGHT...Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. South winds 10 to 15 mph with gusts up to 30 mph, becoming southwest with gusts up to 20 mph after midnight. Chance of rain 30 percent. .SUNDAY...Partly cloudy. Highs in the lower 80s. .SUNDAY NIGHT...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 50s. Chance of rain 30 percent. .MONDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 50s. Chance of rain 30 percent. .TUESDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Chance of rain 20 percent. .THURSDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. $$ WYZ002-211000- Absaroka Mountains- 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows in the lower 50s. West winds 10 to 15 mph with gusts up to 25 mph. .FRIDAY...Partly cloudy. A slight chance of. Patchy smoke in the afternoon. Highs in the mid 70s. West winds 10 to 15 mph with gusts up to 25 mph. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s. East winds around 10 mph, becoming southwest after midnight. .SATURDAY...Mostly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 60s. Southwest winds 10 to 15 mph. Chance of rain 60 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 50s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. .SUNDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Breezy with highs in the upper 60s. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Breezy with lows in the upper 40s. Chance of rain 20 percent. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 40 percent. .MONDAY NIGHT...Partly 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...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 40s. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 40s. Chance of rain 20 percent. .THURSDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 30 percent. $$ WYZ007-211000- Owl Creek and Bridger Mountains- 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows in the mid 60s. Northeast winds around 10 mph, becoming south after midnight. .FRIDAY...Partly cloudy. Patchy smoke in the afternoon. Highs in the mid 80s. Southwest winds around 10 mph, becoming north in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s. North winds 10 to 15 mph, becoming southwest after midnight. Gusts up to 30 mph. .SATURDAY...Partly cloudy in the morning, then becoming mostly cloudy. A slight chance of. Highs in the lower 80s. South winds around 10 mph. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 60s. Southwest winds around 10 mph. Chance of rain 20 percent. .SUNDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 60. Chance of rain 20 percent. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. .MONDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 50s. Chance of rain 30 percent. .TUESDAY...Partly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 50s. .THURSDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. $$ WYZ008-211000- Bighorn Mountains West- 531 PM MDT Thu Aug 20 2026 .TONIGHT...Patchy smoke this evening. Partly cloudy. Lows in the lower 60s. Northeast winds around 10 mph with gusts up to 20 mph, becoming southeast after midnight. .FRIDAY...Mostly sunny. Patchy smoke in the afternoon. Highs in the lower 80s. Southwest winds around 10 mph, becoming northwest in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. Northeast winds 10 to 15 mph, becoming east after midnight. Gusts up to 30 mph. .SATURDAY...Partly cloudy. A slight chance of. Highs in the upper 70s. South winds around 10 mph. .SATURDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 60s. South winds around 10 mph with gusts up to 25 mph. Chance of rain 20 percent. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 50s. Chance of rain 20 percent. .MONDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 50s. Chance of rain 30 percent. .TUESDAY...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 lower 70s. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Chance of rain 20 percent. .THURSDAY...Partly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent. $$ WYZ009-211000- Bighorn Mountains Southeast- 531 PM MDT Thu Aug 20 2026 .TONIGHT...Patchy smoke this evening. Partly cloudy. Lows in the upper 50s. North winds 10 to 15 mph, becoming west after midnight. .FRIDAY...Partly cloudy in the morning, then clearing. Patchy smoke in the afternoon. Highs around 80. West winds around 10 mph, becoming north in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. Northeast winds 10 to 15 mph, becoming northwest after midnight. .SATURDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. South winds around 10 mph. Chance of rain 30 percent. .SATURDAY NIGHT...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 50s. South winds around 10 mph, becoming west after midnight. Chance of rain 30 percent. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 50s. Chance of rain 20 percent. .MONDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. .MONDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the lower 50s. Chance of rain 30 percent. .TUESDAY...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 lower 70s. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 50s. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 50s. Chance of rain 20 percent. .THURSDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 30 percent. $$ WYZ012-211000- Teton and Gros Ventre Mountains- 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows in the lower 50s. West winds around 10 mph, becoming south after midnight. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s. West winds around 10 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s. Southeast winds around 10 mph. .SATURDAY...Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 70s. Southeast winds around 10 mph, becoming southwest in the afternoon. Chance of rain 40 percent. .SATURDAY NIGHT...Partly cloudy. Showers likely with a chance of thunderstorms in the evening. Lows around 50. South winds around 10 mph in the evening. Chance of rain 60 percent. .SUNDAY...Partly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 40s. Chance of rain 30 percent. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 50 percent. .MONDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 40s. Chance of rain 40 percent. .TUESDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .WEDNESDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 40s. .THURSDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. $$ WYZ014-211000- Wind River Mountains West- 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows in the lower 50s. Northwest winds 10 to 15 mph this evening. .FRIDAY...Partly cloudy. Highs in the mid 70s. West winds around 10 mph. .FRIDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 50s. Northeast winds around 10 mph. Chance of rain 30 percent. .SATURDAY...Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs around 70. South winds around 10 mph, becoming southwest in the afternoon. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 40s. West winds around 10 mph. Gusts up to 25 mph in the evening. Chance of rain 30 percent. .SUNDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Breezy with highs in the upper 60s. Chance of rain 70 percent. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 40s. Chance of rain 20 percent. .MONDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 60 percent. .MONDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 40s. Chance of rain 30 percent. .TUESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .WEDNESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .THURSDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. $$ WYZ015-211000- Wind River Mountains East- 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows in the lower 50s. West winds 10 to 15 mph with gusts up to 25 mph. .FRIDAY...Partly cloudy. A slight chance of. Highs in the mid 70s. West winds around 10 mph, becoming northwest in the afternoon. .FRIDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 50s. West winds around 10 mph, becoming southwest after midnight. Chance of rain 30 percent. .SATURDAY...Mostly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 60s. Southwest winds 10 to 15 mph. Chance of rain 60 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 50s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. .SUNDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Breezy with highs in the upper 60s. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. .MONDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 60 percent. .MONDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 40s. Chance of rain 30 percent. .TUESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 40s. .WEDNESDAY...Partly cloudy. A chance of rain showers and thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of rain showers and thunderstorms in the evening. Lows in the mid 40s. Chance of rain 20 percent. .THURSDAY...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 30 percent. $$ WYZ019-211000- Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows around 60. West winds around 10 mph this evening. .FRIDAY...Mostly sunny. Highs in the upper 80s. Southwest winds around 10 mph, becoming northwest in the afternoon. .FRIDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY...Partly cloudy. A slight chance of. Highs in the mid 80s. Southwest winds around 10 mph in the afternoon. .SATURDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 50s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 30 percent. .SUNDAY...Partly cloudy. A slight chance of. Breezy with highs in the lower 80s. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 20 percent. .MONDAY...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. .MONDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 50s. Chance of rain 30 percent. .TUESDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Chance of rain 20 percent. .THURSDAY...Partly cloudy. A slight chance of. Highs around 80. $$ WYZ024-211000- Salt River and Wyoming Ranges- 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Lows in the mid 50s. West winds around 10 mph this evening. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. West winds around 10 mph in the afternoon. .FRIDAY NIGHT...Mostly cloudy. A chance of showers after midnight. Lows in the upper 50s. Northeast winds around 10 mph, becoming southeast after midnight. Chance of rain 30 percent. .SATURDAY...Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 70s. Southeast winds around 10 mph, becoming southwest in the afternoon. Chance of rain 40 percent. .SATURDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower 50s. Southwest winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 40 percent. .SUNDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the lower 50s. Chance of rain 30 percent. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 40 percent. .MONDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the upper 40s. Chance of rain 20 percent. .TUESDAY...Partly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. .WEDNESDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 40s. .THURSDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent. $$ WYZ030-211000- East Sweetwater County- Including the city of Wamsutter 531 PM MDT Thu Aug 20 2026 .TONIGHT...Partly cloudy. Scattered showers this evening. Lows around 60. West winds around 10 mph with gusts up to 20 mph this evening. Chance of rain 30 percent. .FRIDAY...Mostly sunny. Highs around 90. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. North winds around 10 mph. .SATURDAY...Partly cloudy in the morning, then becoming mostly cloudy. A slight chance of. Highs in the mid 80s. West winds around 10 mph in the afternoon. .SATURDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 50s. West winds around 10 mph, becoming southwest after midnight. Chance of rain 30 percent. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s. .MONDAY...Mostly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 50s. Chance of rain 20 percent. .TUESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs around 80. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. .WEDNESDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 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. $$