Zone Forecast Product
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
587 FPUS55 KRIW 180703 ZFPRIW Zone Forecast Product for Western and Central Wyoming National Weather Service Riverton WY 101 AM MDT Tue Aug 18 2026 WYZ020-181000- Natrona County Lower Elevations- Including the city of Casper 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Mostly cloudy. Lows in the mid 50s. .TUESDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. West winds 10 to 15 mph. Chance of rain 30 percent. .TUESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the lower 50s. North winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. West winds around 10 mph, becoming northwest with gusts up to 30 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds around 10 mph with gusts up to 20 mph, becoming northwest after midnight. .THURSDAY...Mostly sunny. Highs around 90. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 50s. .FRIDAY...Mostly sunny. Highs in the lower 90s. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. A slight chance of. Highs around 90. .SATURDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the lower 60s. 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. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 50s. Chance of rain 30 percent. .MONDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the mid 80s. $$ WYZ017-181000- Wind River Basin- Including the cities of Riverton and Shoshoni 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Mostly cloudy. Lows around 60. .TUESDAY...Mostly cloudy. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs around 80. West winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 50s. North winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 30 percent. .WEDNESDAY...Sunny. Highs in the mid 80s. North winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. North winds around 10 mph with gusts up to 20 mph, becoming southwest after midnight. .THURSDAY...Mostly sunny. Highs in the upper 80s. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 60. .FRIDAY...Mostly sunny. Highs in the lower 90s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. A slight chance of. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 60. Chance of rain 20 percent. .SUNDAY...Partly cloudy in the morning, then mostly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 60. Chance of rain 20 percent. .MONDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. $$ WYZ018-181000- Lander Foothills- Including the city of Lander 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Mostly cloudy. Near steady temperature in the lower 60s. .TUESDAY...Mostly cloudy with a chance of showers in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds around 10 mph in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Southwest winds around 10 mph in the evening. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. Highs in the mid 80s. North winds around 10 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest winds around 10 mph, becoming west after midnight. .THURSDAY...Mostly sunny. Highs around 90. .THURSDAY NIGHT...Partly cloudy. Lows around 60. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 90s. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Lows in the lower 60s. Chance of rain 20 percent. .SATURDAY...Mostly cloudy in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 60. Chance of rain 20 percent. .SUNDAY...Partly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent. .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 chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. $$ WYZ028-181000- Rock Springs and Green River- Including the cities of Rock Springs and Green River 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Mostly cloudy with a 20 percent chance of showers. Lows in the mid 50s. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 80. West winds 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 50s. South winds 10 to 15 mph with gusts up to 25 mph in the evening. .WEDNESDAY...Mostly sunny. Highs in the mid 80s. West winds 10 to 15 mph with gusts up to 30 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph in the evening. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the upper 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 50s. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs around 90. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the upper 50s. Chance of rain 30 percent. .SATURDAY...Mostly cloudy in the morning, then partly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 70 percent. .SATURDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 50s. Chance of rain 30 percent. .SUNDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 70 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 in the morning, then mostly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 60 percent. $$ WYZ013-181000- Jackson Hole- Including the city of Jackson 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Cloudy with a 20 percent chance of showers. Lows in the upper 40s. .TUESDAY...Mostly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the lower 70s. Southwest winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. West winds around 10 mph with gusts up to 20 mph in the evening. .WEDNESDAY...Mostly sunny. Highs in the upper 70s. West winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s. Southwest winds around 10 mph with gusts up to 20 mph in the evening. .THURSDAY...Mostly sunny. Highs in the lower 80s. .THURSDAY NIGHT...Partly cloudy. Lows around 50. .FRIDAY...Partly cloudy. Highs in the mid 80s. .FRIDAY NIGHT...Mostly cloudy with a slight chance of thunderstorms. A chance of showers after midnight. Lows in the lower 50s. 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. Chance of rain 40 percent. .SATURDAY 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. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 50 percent. .SUNDAY 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. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 40 percent. $$ WYZ003-181000- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Cloudy with a 20 percent chance of showers. Lows in the mid 50s. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. North winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 40 percent. .TUESDAY 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. West winds around 10 mph. Chance of rain 30 percent. .WEDNESDAY...Sunny. Highs around 80. Southwest winds around 10 mph, becoming northeast with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. Northwest winds around 10 mph with gusts up to 20 mph, becoming west after midnight. .THURSDAY...Mostly sunny. A slight chance of. Highs in the mid 80s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 60. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the mid 80s. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows around 60. Chance of rain 20 percent. .SATURDAY...Mostly cloudy in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. 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 60. Chance of rain 20 percent. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. .SUNDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows around 60. Chance of rain 20 percent. .MONDAY...Partly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 30 percent. $$ WYZ004-181000- North Bighorn Basin- Including the cities of Basin, Greybull, Lovell, Powell, and Shell 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Cloudy. Lows in the upper 50s. .TUESDAY...Mostly cloudy in the morning, then partly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 80. Southeast winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 30 percent. .TUESDAY 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. .WEDNESDAY...Sunny. Highs in the mid 80s. East winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. .THURSDAY...Sunny. Highs around 90. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 60. .FRIDAY...Mostly sunny. Highs around 90. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. A slight chance of. Highs around 90. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows around 60. .SUNDAY...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 80s. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy. Lows around 60. .MONDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the mid 80s. $$ WYZ006-181000- Southeast Bighorn Basin- Including the cities of Ten Sleep and Worland 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Cloudy. Lows around 60. .TUESDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 80. West winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 50s. North winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 30 percent. .WEDNESDAY...Sunny. Highs in the mid 80s. North winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Clear. Lows around 60. Northeast winds around 10 mph with gusts up to 20 mph in the evening. .THURSDAY...Sunny. Highs in the lower 90s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 60. .FRIDAY...Mostly sunny. Highs in the lower 90s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 60s. .SATURDAY...Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of. Highs around 90. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of rain 20 percent. .SUNDAY...Partly cloudy in the morning, then mostly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy. Lows around 60. .MONDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the mid 80s. $$ WYZ005-181000- Southwest Bighorn Basin- Including the city of Thermopolis 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Cloudy. Near steady temperature in the lower 60s. .TUESDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. South winds around 10 mph in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 50s. North winds around 10 mph in the evening. Chance of rain 30 percent. .WEDNESDAY...Sunny. Highs in the lower 80s. Northeast winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows around 60. Northeast winds around 10 mph in the evening. .THURSDAY...Mostly sunny. Highs in the upper 80s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .FRIDAY...Mostly sunny. Highs in the lower 90s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. A slight chance of. Highs in the upper 80s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SUNDAY...Partly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 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 in the morning, then mostly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. $$ WYZ023-181000- Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Cloudy with a slight chance of showers and thunderstorms. Lows around 50. Chance of rain 20 percent. .TUESDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Southwest winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 40s. Southwest winds around 10 mph with gusts up to 20 mph in the evening. .WEDNESDAY...Mostly sunny. Highs around 80. West winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. North winds around 10 mph with gusts up to 20 mph in the evening. .THURSDAY...Mostly sunny. A slight chance of. Highs in the upper 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. .FRIDAY...Partly cloudy. Highs around 90. .FRIDAY NIGHT...Mostly cloudy with a slight chance of thunderstorms. A chance of showers after midnight. Lows in the mid 50s. Chance of rain 30 percent. .SATURDAY...Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 50. Chance of rain 20 percent. .SUNDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 40s. Chance of rain 30 percent. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent. $$ WYZ025-181000- Upper Green River Basin Foothills- Including the city of Pinedale 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Cloudy with a 20 percent chance of showers. Lows in the upper 40s. .TUESDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs around 70. Northwest winds around 10 mph with gusts up to 25 mph in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. North winds around 10 mph with gusts up to 20 mph in the evening. .WEDNESDAY...Mostly sunny. Highs in the upper 70s. West winds 10 to 15 mph with gusts up to 25 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph in the evening. .THURSDAY...Mostly sunny. Highs around 80. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the lower 50s. Chance of rain 30 percent. .SATURDAY...Mostly cloudy with a slight chance of showers in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 40 percent. .SATURDAY 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. .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 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 around 70. Chance of rain 40 percent. $$ WYZ026-181000- Upper Green River Basin- Including the cities of La Barge, Big Piney, and Farson 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Mostly cloudy with a 20 percent chance of showers. Lows around 50. Northwest winds around 10 mph. .TUESDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. East winds around 10 mph, becoming west with gusts up to 25 mph in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph in the evening. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. West winds 10 to 15 mph with gusts up to 30 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. Northwest winds 10 to 15 mph. .THURSDAY...Mostly sunny. Highs in the mid 80s. .THURSDAY NIGHT...Partly cloudy. Lows around 50. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the mid 50s. Chance of rain 30 percent. .SATURDAY...Mostly cloudy in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent. .SATURDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows around 50. Chance of rain 30 percent. .SUNDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 50. Chance of rain 20 percent. .MONDAY...Partly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. $$ WYZ010-181000- Northeast Johnson County- Including the city of Buffalo 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Cloudy. Lows around 60. .TUESDAY...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 80. North winds around 10 mph in the afternoon. Chance of rain 30 percent. .TUESDAY 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, becoming southwest after midnight. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. North winds around 10 mph with gusts up to 25 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest winds around 10 mph with gusts up to 20 mph in the evening. .THURSDAY...Sunny. Highs around 90. .THURSDAY NIGHT...Mostly clear. Lows around 60. .FRIDAY...Mostly sunny. Highs around 90. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. .SATURDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 20 percent. .SATURDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the lower 60s. Chance of rain 30 percent. .SUNDAY...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 mid 80s. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows around 60. Chance of rain 30 percent. .MONDAY...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 mid 80s. Chance of rain 30 percent. $$ WYZ011-181000- Southeast Johnson County- Including the city of Kaycee 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Mostly cloudy. Lows in the upper 50s. .TUESDAY...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 80. West winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 50s. North winds around 10 mph, becoming southwest after midnight. Chance of rain 40 percent. .WEDNESDAY...Mostly sunny. Highs in the mid 80s. Southwest winds around 10 mph, becoming north in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds around 10 mph with gusts up to 20 mph in the evening. .THURSDAY...Sunny. Highs in the lower 90s. .THURSDAY NIGHT...Mostly clear. Lows around 60. .FRIDAY...Mostly sunny. Highs around 90. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. A slight chance of. Highs in the lower 90s. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of rain 20 percent. .SUNDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. .SUNDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows around 60. Chance of rain 30 percent. .MONDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. $$ WYZ027-181000- South Lincoln County- Including the cities of Kemmerer and Cokeville 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Mostly cloudy with a 20 percent chance of showers. Lows in the mid 50s. .TUESDAY...Mostly cloudy with a chance of showers in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs around 80. West winds 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 50. West winds 10 to 15 mph in the evening. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. West winds 10 to 15 mph with gusts up to 25 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows around 50. Northwest winds 10 to 15 mph with gusts up to 25 mph in the evening. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 80s. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 50s. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 80s. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the mid 50s. Chance of rain 30 percent. .SATURDAY...Mostly cloudy in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 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 in the lower 50s. Chance of rain 30 percent. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 50 percent. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 50. Chance of rain 20 percent. .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 40 percent. $$ WYZ016-181000- Upper Wind River Basin- Including the city of Dubois 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Cloudy. Lows around 50. Northwest winds around 10 mph. .TUESDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Breezy with highs in the mid 70s. Northwest winds around 10 mph with gusts up to 20 mph, becoming west 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows around 50. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the evening. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny and breezy. Highs in the upper 70s. Northwest winds around 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear and breezy. Lows around 50. Northwest winds 15 to 20 mph with gusts up to 30 mph, becoming west around 10 mph after midnight. .THURSDAY...Mostly sunny. Highs in the lower 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the lower 80s. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the mid 50s. Chance of rain 30 percent. .SATURDAY...Mostly cloudy with a slight chance of showers in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 50s. .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. A slight chance of showers and thunderstorms in the evening. Lows around 50. Chance of rain 20 percent. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. $$ WYZ001-181000- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Cloudy with a 20 percent chance of showers. Lows in the mid 40s. .TUESDAY...Partly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Southwest winds around 10 mph, becoming west in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the lower 40s. North winds around 10 mph with gusts up to 25 mph in the evening. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny. Highs around 70. Southwest winds around 10 mph, becoming west in the afternoon. Gusts up to 25 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s. Southwest winds around 10 mph with gusts up to 25 mph in the evening. .THURSDAY...Mostly sunny. Highs in the mid 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows around 50. Chance of rain 30 percent. .SATURDAY...Mostly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 40 percent. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the upper 40s. Chance of rain 20 percent. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 40 percent. .SUNDAY 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. .MONDAY...Partly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. $$ WYZ029-181000- Flaming Gorge- 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Partly cloudy. Lows around 60. .TUESDAY...Partly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Northeast winds around 10 mph, becoming northwest with gusts up to 25 mph in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 50s. South winds around 10 mph with gusts up to 20 mph in the evening. .WEDNESDAY...Mostly sunny. Highs in the mid 80s. Northwest winds 10 to 15 mph with gusts up to 25 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph in the evening. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the mid 80s. .THURSDAY NIGHT...Partly cloudy. Lows around 60. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 80s. .FRIDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows around 60. Chance of rain 20 percent. .SATURDAY...Mostly cloudy in the morning, then partly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 60 percent. .SATURDAY NIGHT...A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 50s. Chance of rain 40 percent. .SUNDAY...Mostly cloudy in the morning, then partly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly cloudy after midnight. Lows in the mid 50s. Chance of rain 30 percent. .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 40 percent. $$ WYZ022-181000- Casper Mountain- 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Partly cloudy. Lows in the mid 50s. .TUESDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Southwest winds around 10 mph. Gusts up to 25 mph in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the lower 50s. West winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. Southwest winds around 10 mph with gusts up to 20 mph, becoming northwest with gusts up to 30 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Northeast winds around 10 mph with gusts up to 25 mph in the evening. .THURSDAY...Mostly sunny. Highs in the lower 80s. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 50s. .FRIDAY...Mostly sunny. Highs in the lower 80s. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. .SATURDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. .SATURDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows around 60. Chance of rain 30 percent. .SUNDAY...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. .SUNDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 50s. Chance of rain 40 percent. .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. $$ WYZ002-181000- Absaroka Mountains- 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Mostly cloudy with a 20 percent chance of showers. Near steady temperature in the upper 40s. West winds around 10 mph. .TUESDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Breezy with highs in the lower 60s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 40s. West winds 10 to 15 mph. Gusts up to 30 mph in the evening. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny and breezy. Highs in the upper 60s. West winds 15 to 20 mph with gusts up to 30 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s. West winds 10 to 15 mph with gusts up to 25 mph. .THURSDAY...Mostly sunny. A slight chance of. Breezy with highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 30 percent. .FRIDAY NIGHT...A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 50s. Chance of rain 30 percent. .SATURDAY...Mostly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 50. Chance of rain 20 percent. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 50 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 40s. Chance of rain 30 percent. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 40 percent. $$ WYZ007-181000- Owl Creek and Bridger Mountains- 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Cloudy. Near steady temperature in the upper 50s. .TUESDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Southwest winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 50s. North winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny. Highs in the upper 70s. Northeast winds around 10 mph with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 50s. Northeast winds around 10 mph with gusts up to 20 mph, becoming west after midnight. .THURSDAY...Mostly sunny. Highs in the lower 80s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 60s. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the mid 80s. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s. .SATURDAY...Partly cloudy. A slight chance of. Highs in the lower 80s. .SATURDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SUNDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 30 percent. .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 chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent. $$ WYZ008-181000- Bighorn Mountains West- 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Cloudy. Near steady temperature in the mid 50s. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 60s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of rain showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 50s. Northwest winds around 10 mph with gusts up to 25 mph, becoming southeast after midnight. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. West winds 10 to 15 mph with gusts up to 30 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds 10 to 15 mph with gusts up to 25 mph, becoming east after midnight. .THURSDAY...Sunny. Highs in the upper 70s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. .FRIDAY...Mostly sunny. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 60s. .SATURDAY...Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. .SATURDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 20 percent. .SUNDAY...Partly cloudy in the morning, then mostly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Chance of rain 20 percent. .MONDAY...Partly cloudy in the morning, then mostly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. $$ WYZ009-181000- Bighorn Mountains Southeast- 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Mostly cloudy. Lows in the lower 50s. West winds around 10 mph with gusts up to 25 mph. .TUESDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 60s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of rain showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 40s. West winds around 10 mph with gusts up to 20 mph. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. Northwest winds 10 to 15 mph with gusts up to 30 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest winds 10 to 15 mph, becoming west after midnight. .THURSDAY...Mostly sunny. Highs in the upper 70s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 50s. .FRIDAY...Mostly sunny. Highs in the upper 70s. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 50s. .SATURDAY...Mostly cloudy in the morning, then partly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent. .SATURDAY 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. .SUNDAY...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. .SUNDAY 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. .MONDAY...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 mid 70s. Chance of rain 40 percent. $$ WYZ012-181000- Teton and Gros Ventre Mountains- 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Cloudy with a 20 percent chance of showers. Lows in the upper 40s. .TUESDAY...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the mid 60s. South winds around 10 mph, becoming west with gusts up to 25 mph in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. West winds around 10 mph with gusts up to 25 mph in the evening. .WEDNESDAY...Mostly sunny. Highs in the upper 60s. Southwest winds around 10 mph, becoming west in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. West winds around 10 mph with gusts up to 25 mph in the evening. .THURSDAY...Mostly sunny. Highs in the mid 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. .FRIDAY...Partly cloudy. A slight chance of. Highs in the upper 70s. .FRIDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 50s. Chance of rain 30 percent. .SATURDAY...Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the upper 40s. Chance of rain 20 percent. .SUNDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 40s. Chance of rain 20 percent. .MONDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 40 percent. $$ WYZ014-181000- Wind River Mountains West- 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Mostly cloudy with a 30 percent chance of showers. Lows in the upper 40s. Northwest winds around 10 mph. .TUESDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 60s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 30 mph in the evening. .WEDNESDAY...Mostly sunny and breezy. Highs in the upper 60s. West winds 15 to 20 mph with gusts up to 30 mph. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 40s. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the evening. .THURSDAY...Mostly sunny. Highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the mid 70s. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the lower 50s. Chance of rain 30 percent. .SATURDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 50 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the upper 40s. Chance of rain 30 percent. .SUNDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 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 mid 60s. Chance of rain 30 percent. $$ WYZ015-181000- Wind River Mountains East- 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Mostly cloudy with a 30 percent chance of showers. Lows in the mid 40s. West winds around 10 mph with gusts up to 20 mph. .TUESDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Breezy with highs in the lower 60s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening. Lows in the mid 40s. West winds 10 to 15 mph. Gusts up to 30 mph in the evening. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny and breezy. Highs in the upper 60s. West winds 15 to 20 mph with gusts up to 30 mph. .WEDNESDAY NIGHT...Mostly clear and breezy. Lows in the mid 40s. West winds 15 to 20 mph with gusts up to 30 mph, diminishing to around 10 mph after midnight. .THURSDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 50s. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the lower 50s. Chance of rain 40 percent. .SATURDAY...Mostly cloudy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 40s. Chance of rain 30 percent. .SUNDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 60s. 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 mid 60s. Chance of rain 40 percent. $$ WYZ019-181000- Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Mostly cloudy. Lows in the mid 50s. .TUESDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. West winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. Chance of rain 30 percent. .TUESDAY 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. West winds 10 to 15 mph with gusts up to 25 mph in the evening. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. Southwest winds around 10 mph with gusts up to 20 mph, becoming northwest with gusts up to 30 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 50s. North winds 10 to 15 mph with gusts up to 30 mph in the evening. .THURSDAY...Mostly sunny. Highs in the mid 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Mostly sunny. Highs in the upper 80s. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60. .SATURDAY...Partly cloudy. A slight chance of. Highs in the mid 80s. .SATURDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 50s. Chance of rain 30 percent. .SUNDAY...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. .SUNDAY 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. .MONDAY...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. $$ WYZ024-181000- Salt River and Wyoming Ranges- 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Cloudy with a slight chance of showers and thunderstorms. Lows in the lower 50s. Southwest winds around 10 mph. Chance of rain 20 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers with a slight chance of thunderstorms. Highs around 70. Southwest winds around 10 mph with gusts up to 20 mph, becoming west with gusts up to 30 mph in the afternoon. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 40s. West winds 10 to 15 mph with gusts up to 30 mph in the evening. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. West winds 10 to 15 mph with gusts up to 30 mph. .WEDNESDAY NIGHT...Mostly clear. Lows around 50. Northwest winds 10 to 15 mph with gusts up to 30 mph in the evening. .THURSDAY...Mostly sunny. A slight chance of. Highs in the upper 70s. .THURSDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 50s. .FRIDAY...Partly cloudy. A slight chance of. Highs around 80. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the mid 50s. Chance of rain 30 percent. .SATURDAY...Mostly cloudy in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the lower 50s. Chance of rain 30 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 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. $$ WYZ030-181000- East Sweetwater County- Including the city of Wamsutter 101 AM MDT Tue Aug 18 2026 .REST OF TONIGHT...Mostly cloudy. Lows in the upper 50s. .TUESDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 80. Northwest winds 10 to 15 mph. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph in the evening. .WEDNESDAY...Mostly sunny. Highs in the lower 80s. West winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. Northwest winds 10 to 15 mph with gusts up to 30 mph in the evening. .THURSDAY...Mostly sunny. Highs in the mid 80s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 50s. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 90. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Lows in the upper 50s. Chance of rain 20 percent. .SATURDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. .SATURDAY NIGHT...A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 50s. Chance of rain 40 percent. .SUNDAY...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. .SUNDAY NIGHT...Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly cloudy after midnight. Lows in the mid 50s. Chance of rain 30 percent. .MONDAY...Partly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs around 80. Chance of rain 30 percent. $$