Zone Forecast Product
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
896 FPUS55 KRIW 172049 ZFPRIW Zone Forecast Product for Western and Central Wyoming National Weather Service Riverton WY 247 PM MDT Thu Sep 17 2026 WYZ020-172200- Natrona County Lower Elevations- Including the city of Casper 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Mostly cloudy with numerous showers with isolated thunderstorms. Highs in the upper 60s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 60 percent. .TONIGHT...Partly cloudy. Scattered showers in the evening. Lows around 50. Southwest winds around 10 mph with gusts up to 20 mph after midnight. Chance of rain 30 percent. .FRIDAY...Mostly sunny 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. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. .FRIDAY NIGHT...Mostly cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog after midnight. Lows around 50. Southwest winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 80 percent. .SATURDAY...Partly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 70. Southwest winds around 10 mph with gusts up to 25 mph. Chance of rain 40 percent. .SATURDAY NIGHT...Showers likely. A chance of thunderstorms, mainly in the evening. Lows in the mid 40s. Chance of rain 70 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 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 lower 40s. Chance of rain 30 percent. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. .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 chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 40s. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny. Highs in the upper 70s. $$ WYZ017-172200- Wind River Basin- Including the cities of Riverton and Shoshoni 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Partly cloudy with scattered showers with isolated thunderstorms. Highs around 70. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 30 percent. .TONIGHT...Partly cloudy. Scattered showers and thunderstorms in the evening. Lows in the lower 50s. West winds around 10 mph. Chance of rain 30 percent. .FRIDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Southwest winds around 10 mph. Chance of rain 30 percent. .FRIDAY NIGHT...Mostly cloudy. Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows around 50. South winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 80 percent. .SATURDAY...Partly cloudy with a chance of showers in the morning, then mostly sunny with showers likely with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. West winds around 10 mph with gusts up to 25 mph in the afternoon. Chance of rain 60 percent. .SATURDAY NIGHT...Showers with a slight chance of thunderstorms. Lows in the mid 40s. Chance of rain 80 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. Showers likely with a slight chance of thunderstorms. Highs in the lower 60s. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Partly cloudy. A slight chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows around 50. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ WYZ018-172200- Lander Foothills- Including the city of Lander 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Partly cloudy with scattered showers and thunderstorms. Highs in the lower 70s. East winds around 10 mph with gusts up to 20 mph. Chance of rain 30 percent. .TONIGHT...Partly cloudy. Scattered showers and thunderstorms in the evening. Lows in the lower 50s. Southwest winds around 10 mph after midnight. Chance of rain 50 percent. .FRIDAY...Partly cloudy. Showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. Southeast winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 60 percent. .FRIDAY NIGHT...Mostly cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the upper 40s. South winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 80 percent. .SATURDAY...Partly cloudy with a chance of showers in the morning, then mostly sunny with showers likely with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Southwest winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 60 percent. .SATURDAY NIGHT...Showers likely with a slight chance of thunderstorms. Lows in the mid 40s. Chance of rain 70 percent. .SUNDAY...Partly cloudy with a slight chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the mid 60s. 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 in the mid 40s. Chance of rain 20 percent. .MONDAY...Mostly sunny. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .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 with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 40s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. Highs in the upper 70s. $$ WYZ028-172200- Rock Springs and Green River- Including the cities of Rock Springs and Green River 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Partly cloudy with numerous showers and scattered thunderstorms. Highs in the lower 70s. Chance of rain 60 percent. .TONIGHT...Partly cloudy. Numerous showers and scattered thunderstorms in the evening. Patchy fog after midnight. Lows in the upper 40s. Chance of rain 60 percent. .FRIDAY...Partly cloudy. Patchy fog in the morning. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs around 70. South winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 80 percent. .FRIDAY NIGHT...Mostly cloudy with showers with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Patchy fog after midnight. Lows in the lower 40s. Southwest winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 80 percent. .SATURDAY...Partly cloudy. A slight chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the lower 60s. West winds 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of rain 80 percent. .SATURDAY NIGHT...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening. Lows in the upper 30s. Chance of rain 30 percent. .SUNDAY...Mostly sunny. Highs in the mid 60s. .SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. .MONDAY...Partly cloudy in the morning, then clearing. Highs around 70. .MONDAY NIGHT...Partly cloudy. Lows in the lower 40s. .TUESDAY...Partly cloudy with a slight chance of showers in the morning, then mostly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows around 40. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. $$ WYZ013-172200- Jackson Hole- Including the city of Jackson 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Showers and scattered thunderstorms. Highs in the mid 60s. Chance of rain 80 percent. .TONIGHT...Partly cloudy. Scattered showers and thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the lower 40s. Chance of rain 80 percent. .FRIDAY...Patchy fog in the morning. Partly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then mostly cloudy with showers with a chance of thunderstorms in the afternoon. Some thunderstorms may be severe in the afternoon. Highs in the mid 60s. Chance of rain 80 percent. .FRIDAY NIGHT...Showers. A chance of thunderstorms, mainly in the evening. Patchy fog. Some thunderstorms may be severe in the evening. Lows around 40. Chance of rain 80 percent. .SATURDAY...Showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of rain 80 percent. .SATURDAY NIGHT...A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of rain showers. Lows in the upper 30s. Chance of rain 50 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .MONDAY...Mostly sunny. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows in the upper 30s. .TUESDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of rain showers and thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .WEDNESDAY...Mostly sunny. A slight chance of. Highs in the upper 60s. $$ WYZ003-172200- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 247 PM MDT Thu Sep 17 2026 ...FLOOD WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .THIS AFTERNOON...Mostly cloudy with numerous showers and scattered thunderstorms. Near steady temperature in the upper 60s. South winds 10 to 15 mph. Chance of rain 60 percent. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 50s. Southwest winds around 10 mph with gusts up to 20 mph. .FRIDAY...Mostly sunny in the morning, then partly cloudy with showers with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the lower 70s. West winds around 10 mph, becoming southeast with gusts up to 20 mph in the afternoon. Chance of rain 80 percent. .FRIDAY NIGHT...Showers. A chance of thunderstorms, mainly in the evening. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the lower 50s. West winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 90 percent. .SATURDAY...Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs around 60. Northwest winds around 10 mph, becoming north with gusts up to 20 mph in the afternoon. Chance of rain 90 percent. .SATURDAY NIGHT...Showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows in the upper 40s. Chance of rain 80 percent. .SUNDAY...Showers likely. A slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 70 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 40s. Chance of rain 30 percent. .MONDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 60s. 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 in the lower 70s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy. Lows around 50. .WEDNESDAY...Mostly sunny. A slight chance of. Highs in the lower 70s. $$ WYZ004-172200- North Bighorn Basin- Including the cities of Basin, Greybull, Lovell, Powell, and Shell 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Mostly cloudy with scattered showers with isolated thunderstorms. Highs in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. .TONIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 50s. South winds around 10 mph. Gusts up to 25 mph in the evening. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs around 80. South winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 30 percent. .FRIDAY NIGHT...Showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent. .SATURDAY...Showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent. .SATURDAY NIGHT...Showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 40s. Chance of rain 80 percent. .SUNDAY...Mostly cloudy with showers likely. A slight chance of thunderstorms in the afternoon. Highs in the mid 60s. 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 upper 40s. Chance of rain 30 percent. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows around 50. .TUESDAY...Mostly sunny. Highs in the mid 70s. .TUESDAY NIGHT...Mostly clear. Lows around 50. .WEDNESDAY...Mostly sunny. Highs in the upper 70s. $$ WYZ006-172200- Southeast Bighorn Basin- Including the cities of Ten Sleep and Worland 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Mostly cloudy with scattered showers with isolated thunderstorms. Highs in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. .TONIGHT...Partly cloudy. Lows in the mid 50s. Southeast winds around 10 mph with gusts up to 20 mph in the evening. .FRIDAY...Mostly sunny in the morning, then partly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 80. South winds around 10 mph in the afternoon. Chance of rain 30 percent. .FRIDAY NIGHT...Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the lower 50s. Northeast winds around 10 mph with gusts up to 20 mph, becoming northwest after midnight. Chance of rain 80 percent. .SATURDAY...Showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 60s. North winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 80 percent. .SATURDAY NIGHT...Showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 40s. Chance of rain 80 percent. .SUNDAY...Mostly cloudy. Showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 80 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 40s. Chance of rain 30 percent. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows around 50. .TUESDAY...Partly cloudy in the morning, then clearing. Highs in the mid 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 50. .WEDNESDAY...Mostly sunny. Highs in the upper 70s. $$ WYZ005-172200- Southwest Bighorn Basin- Including the city of Thermopolis 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Mostly cloudy. Highs in the lower 70s. South winds 10 to 15 mph. .TONIGHT...Partly cloudy. Lows in the mid 50s. Southwest winds around 10 mph. .FRIDAY...Mostly sunny in the morning, then partly cloudy with 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. .FRIDAY NIGHT...Showers. A chance of thunderstorms, mainly in the evening. Patchy fog after midnight. Lows in the lower 50s. Northwest winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 80 percent. .SATURDAY...Showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 60s. North winds around 10 mph in the afternoon. Chance of rain 80 percent. .SATURDAY NIGHT...Showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 40s. Chance of rain 90 percent. .SUNDAY...Mostly cloudy with showers likely with a slight chance of thunderstorms. Highs in the mid 60s. Chance of rain 70 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...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Partly cloudy in the morning, then clearing. Highs in the mid 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ WYZ023-172200- Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Mostly cloudy with numerous showers with a chance of thunderstorms. Highs in the mid 60s. South winds around 10 mph. Chance of rain 60 percent. .TONIGHT...Partly cloudy. A chance of showers and thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the mid 40s. South winds around 10 mph in the evening. Chance of rain 80 percent. .FRIDAY...Patchy fog in the morning. Partly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then mostly cloudy with showers with a chance of thunderstorms in the afternoon. Some thunderstorms may be severe in the afternoon. Highs in the upper 60s. Chance of rain 80 percent. .FRIDAY NIGHT...Showers with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Patchy fog. Some thunderstorms may be severe in the evening. Lows in the lower 40s. Chance of rain 90 percent. .SATURDAY...Partly cloudy. Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs around 60. Chance of rain 80 percent. .SATURDAY NIGHT...Mostly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening. Lows in the upper 30s. Chance of rain 50 percent. .SUNDAY...Partly cloudy. Highs in the mid 60s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. .TUESDAY...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. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 30s. .WEDNESDAY...Mostly sunny. Highs around 70. $$ WYZ025-172200- Upper Green River Basin Foothills- Including the city of Pinedale 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Showers and scattered thunderstorms. Highs in the mid 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent. .TONIGHT...Partly cloudy. Scattered showers and thunderstorms in the evening, then numerous showers with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the lower 40s. Chance of rain 60 percent. .FRIDAY...Patchy fog in the morning. Partly cloudy with showers likely with a slight chance of thunderstorms in the morning, then mostly cloudy with showers with a chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 80 percent. .FRIDAY NIGHT...Showers. A chance of thunderstorms, mainly in the evening. Patchy fog. Lows around 40. Chance of rain 80 percent. .SATURDAY...Partly cloudy. Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs around 60. West winds around 10 mph in the afternoon. Chance of rain 80 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers with a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of rain showers after midnight. Lows in the mid 30s. Chance of rain 30 percent. .SUNDAY...Partly cloudy. A slight chance of. Highs in the lower 60s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .MONDAY...Mostly sunny. Highs in the mid 60s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. .TUESDAY...Partly cloudy. A slight chance of rain showers and thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s. .WEDNESDAY...Mostly sunny. A slight chance of. Highs in the upper 60s. $$ WYZ026-172200- Upper Green River Basin- Including the cities of La Barge, Big Piney, and Farson 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Showers and scattered thunderstorms. Near steady temperature in the mid 60s. Northwest winds around 10 mph with gusts up to 20 mph. Chance of rain 80 percent. .TONIGHT...Partly cloudy. Numerous showers and scattered thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the lower 40s. Chance of rain 60 percent. .FRIDAY...Partly cloudy. Patchy fog in the morning. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the upper 60s. Southwest winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 80 percent. .FRIDAY NIGHT...Mostly cloudy with showers with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows around 40. Southwest winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 80 percent. .SATURDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs around 60. West winds 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of rain 60 percent. .SATURDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of rain showers. Lows in the lower 30s. Chance of rain 20 percent. .SUNDAY...Partly cloudy. A slight chance of. Highs in the mid 60s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .MONDAY...Mostly sunny. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. .TUESDAY...Partly cloudy with a slight chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of rain showers and thunderstorms in the evening. Lows in the mid 30s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. Highs around 70. $$ WYZ010-172200- Northeast Johnson County- Including the city of Buffalo 247 PM MDT Thu Sep 17 2026 ...FLOOD WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .THIS AFTERNOON...Cloudy with numerous showers with isolated thunderstorms. Breezy with highs in the mid 70s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 60 percent. .TONIGHT...Partly cloudy and breezy. Lows in the mid 50s. Southeast winds 15 to 20 mph with gusts up to 30 mph, becoming south around 10 mph with gusts up to 20 mph after midnight. .FRIDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs around 80. East winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 30 percent. .FRIDAY NIGHT...Showers with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Some thunderstorms may produce heavy rainfall in the evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the mid 50s. North winds around 10 mph. Chance of rain 90 percent. .SATURDAY...Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the upper 60s. Northeast winds around 10 mph. Chance of rain 80 percent. .SATURDAY NIGHT...Showers. A chance of thunderstorms, mainly in the evening. Lows around 50. Chance of rain 90 percent. .SUNDAY...Showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 90 percent. .SUNDAY NIGHT...Mostly cloudy. Showers likely with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows around 50. Chance of rain 60 percent. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows around 50. .TUESDAY...Mostly sunny. Highs in the mid 70s. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers. Lows around 50. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. Highs in the upper 70s. $$ WYZ011-172200- Southeast Johnson County- Including the city of Kaycee 247 PM MDT Thu Sep 17 2026 ...FLOOD WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .THIS AFTERNOON...Numerous showers with isolated thunderstorms. Breezy with highs in the lower 70s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 60 percent. .TONIGHT...Partly cloudy. Lows in the lower 50s. South winds around 10 mph, becoming southwest after midnight. .FRIDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the upper 70s. Southwest winds around 10 mph with gusts up to 20 mph, becoming northeast in the afternoon. Chance of rain 30 percent. .FRIDAY NIGHT...Mostly cloudy. Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the lower 50s. North winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 90 percent. .SATURDAY...Mostly cloudy in the morning, then becoming partly cloudy. Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs around 70. West winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 60 percent. .SATURDAY NIGHT...Showers with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Lows around 50. Chance of rain 80 percent. .SUNDAY...Showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 90 percent. .SUNDAY NIGHT...Mostly cloudy with showers likely with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 40s. Chance of rain 60 percent. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows around 50. .TUESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the upper 70s. .TUESDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows around 50. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. Highs in the upper 70s. $$ WYZ027-172200- South Lincoln County- Including the cities of Kemmerer and Cokeville 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Showers with a chance of thunderstorms. Highs in the upper 60s. Northwest winds around 10 mph with gusts up to 20 mph. Chance of rain 80 percent. .TONIGHT...Partly cloudy. Showers likely with a chance of thunderstorms in the evening, then scattered showers with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the mid 40s. Chance of rain 60 percent. .FRIDAY...Partly cloudy. Patchy fog in the morning. Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the mid 60s. South winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 80 percent. .FRIDAY NIGHT...Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Some thunderstorms may be severe in the evening. Lows around 40. Southwest winds around 10 mph in the evening. Chance of rain 60 percent. .SATURDAY...Partly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs around 60. West winds 10 to 15 mph. Chance of rain 40 percent. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 30s. .SUNDAY...Mostly sunny. Highs in the mid 60s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 30s. .MONDAY...Mostly sunny. Highs in the upper 60s. .MONDAY NIGHT...Partly cloudy. Lows around 40. .TUESDAY...Partly cloudy in the morning, then clearing. A slight chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. .WEDNESDAY...Mostly sunny. Highs around 70. $$ WYZ016-172200- Upper Wind River Basin- Including the city of Dubois 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Mostly cloudy with numerous showers and scattered thunderstorms. Highs around 70. West winds 10 to 15 mph with gusts up to 35 mph. Chance of rain 60 percent. .TONIGHT...Partly cloudy. Scattered showers with isolated thunderstorms in the evening, then a chance of showers after midnight. Lows in the mid 40s. Northwest winds around 10 mph. Chance of rain 30 percent. .FRIDAY...Partly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then mostly cloudy with showers with a chance of thunderstorms in the afternoon. Highs in the upper 60s. West winds around 10 mph. Chance of rain 80 percent. .FRIDAY NIGHT...Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the mid 40s. West winds around 10 mph in the evening. Chance of rain 80 percent. .SATURDAY...Partly cloudy with showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 50s. West winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 70 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of thunderstorms. Rain showers. Lows around 40. Chance of rain 80 percent. .SUNDAY...Partly cloudy. A chance of rain showers in the morning, then rain showers likely with a slight chance of thunderstorms in the afternoon. Highs around 60. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening. Lows around 40. Chance of rain 30 percent. .MONDAY...Mostly sunny. Highs in the mid 60s. .MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 40s. .TUESDAY...Partly cloudy. A slight chance of rain showers and thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 40s. .WEDNESDAY...Mostly sunny. A slight chance of. Highs in the upper 60s. $$ WYZ001-172200- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Showers and scattered thunderstorms. Highs in the upper 50s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 80 percent. .TONIGHT...Partly cloudy. Numerous showers with isolated thunderstorms in the evening, then showers likely after midnight. Patchy fog. Lows in the lower 40s. South winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 60 percent. .FRIDAY...Patchy fog in the morning. Partly cloudy with showers likely with a slight chance of thunderstorms in the morning, then mostly cloudy with showers with a chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 80 percent. .FRIDAY NIGHT...Showers. A chance of thunderstorms, mainly in the evening. Patchy fog. Lows around 40. Chance of rain 80 percent. .SATURDAY...Rain showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs around 50. West winds around 10 mph in the afternoon. Chance of rain 90 percent. .SATURDAY NIGHT...A slight chance of thunderstorms in the evening. Cloudy with rain showers likely. Lows in the upper 30s. Chance of rain 70 percent. .SUNDAY...Mostly cloudy with rain showers likely in the morning, then partly cloudy with a chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 50s. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy with a slight chance of rain showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 30s. Chance of rain 20 percent. .MONDAY...Mostly sunny. A slight chance of. Highs around 60. .MONDAY NIGHT...Partly cloudy. Lows in the mid 30s. .TUESDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of rain showers and thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 20 percent. .TUESDAY NIGHT...Mostly clear. Lows in the mid 30s. .WEDNESDAY...Mostly sunny. Highs in the lower 60s. $$ WYZ029-172200- Flaming Gorge- 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Partly cloudy with numerous showers and scattered thunderstorms. Near steady temperature around 70. Southeast winds around 10 mph. Chance of rain 60 percent. .TONIGHT...Partly cloudy. Scattered showers and thunderstorms in the evening. Lows around 50. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. .FRIDAY...Partly cloudy. Patchy fog in the morning. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent. .FRIDAY NIGHT...Mostly cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog after midnight. Lows in the mid 40s. South winds 10 to 15 mph. Chance of rain 80 percent. .SATURDAY...Partly cloudy. A slight chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the lower 60s. South winds around 10 mph, becoming west with gusts up to 20 mph in the afternoon. Chance of rain 80 percent. .SATURDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows around 40. Chance of rain 40 percent. .SUNDAY...Mostly sunny. Highs in the mid 60s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 40s. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the upper 60s. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. .TUESDAY...Mostly cloudy with a slight chance of showers in the morning, then partly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 40s. Chance of rain 30 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. Highs in the lower 70s. $$ WYZ022-172200- Casper Mountain- 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Showers with isolated thunderstorms. Near steady temperature in the lower 60s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 80 percent. .TONIGHT...Partly cloudy. Lows around 50. Southwest winds 10 to 15 mph after midnight. .FRIDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. .FRIDAY NIGHT...Showers with a chance of thunderstorms in the evening, then showers likely after midnight. Lows in the upper 40s. South winds around 10 mph in the evening. Chance of rain 80 percent. .SATURDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 60s. Southwest winds around 10 mph with gusts up to 25 mph. Chance of rain 40 percent. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the lower 40s. Chance of rain 50 percent. .SUNDAY...Partly cloudy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 40s. Chance of rain 20 percent. .MONDAY...Mostly sunny. Highs in the mid 60s. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. .TUESDAY...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. .TUESDAY 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. .WEDNESDAY...Mostly sunny. Highs in the upper 60s. $$ WYZ002-172200- Absaroka Mountains- 247 PM MDT Thu Sep 17 2026 ...FLOOD WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .THIS AFTERNOON...Showers and scattered thunderstorms. Near steady temperature in the mid 50s. Southwest winds around 10 mph with gusts up to 30 mph. Chance of rain 80 percent. .TONIGHT...Partly cloudy. Scattered rain showers with isolated thunderstorms in the evening, then a chance of rain showers after midnight. Lows in the lower 40s. West winds 10 to 15 mph. Chance of rain 30 percent. .FRIDAY...Partly cloudy with a chance of rain showers with a slight chance of thunderstorms in the morning, then mostly cloudy with rain showers with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the upper 50s. Southwest winds around 10 mph. Chance of rain 80 percent. .FRIDAY NIGHT...Rain showers. A chance of thunderstorms, mainly in the evening. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Some thunderstorms may produce heavy rainfall after midnight. Lows around 40. West winds around 10 mph in the evening. Chance of rain 80 percent. .SATURDAY...Rain showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 40s. West winds around 10 mph. Chance of rain 90 percent. .SATURDAY NIGHT...Snow showers likely. Rain showers with a slight chance of thunderstorms in the evening, then rain showers likely after midnight. Little or no snow accumulation. Lows in the upper 30s. Chance of precipitation 80 percent. .SUNDAY...Mostly cloudy. Rain showers likely with a chance of snow showers in the morning, then rain showers with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the lower 50s. Chance of precipitation 80 percent. .SUNDAY 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 mid 30s. Chance of rain 30 percent. .MONDAY...Mostly sunny. A slight chance of rain showers and thunderstorms in the afternoon. Highs in the mid 50s. Chance of rain 20 percent. .MONDAY NIGHT...Partly cloudy. Lows in the upper 30s. .TUESDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of rain showers and thunderstorms in the afternoon. Highs in the upper 50s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy with a slight chance of rain showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 30s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. A slight chance of. Highs in the upper 50s. $$ WYZ007-172200- Owl Creek and Bridger Mountains- 247 PM MDT Thu Sep 17 2026 ...FLOOD WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .THIS AFTERNOON...Mostly cloudy with scattered showers with isolated thunderstorms. Highs in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. .TONIGHT...Partly cloudy. Lows in the lower 50s. Southwest winds around 10 mph. .FRIDAY...Mostly sunny in the morning, then partly cloudy with showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the lower 70s. Southwest winds around 10 mph. Chance of rain 60 percent. .FRIDAY NIGHT...Showers. A chance of thunderstorms, mainly in the evening. Some thunderstorms may produce heavy rainfall in the evening. Some thunderstorms may produce heavy rainfall after midnight. Lows around 50. Northwest winds around 10 mph. Chance of rain 80 percent. .SATURDAY...Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the lower 60s. North winds around 10 mph in the afternoon. Chance of rain 80 percent. .SATURDAY NIGHT...Showers. A chance of thunderstorms, mainly in the evening. Lows in the mid 40s. Chance of rain 90 percent. .SUNDAY...Showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of rain 80 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...Mostly sunny. Highs in the mid 60s. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Partly cloudy. A slight chance of showers in the afternoon. Highs around 70. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 40s. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. $$ WYZ008-172200- Bighorn Mountains West- 247 PM MDT Thu Sep 17 2026 ...FLOOD WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .THIS AFTERNOON...Mostly cloudy with scattered showers with isolated thunderstorms. Near steady temperature in the lower 60s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 30 percent. .TONIGHT...Partly cloudy. Lows in the lower 50s. South winds around 10 mph with gusts up to 20 mph, becoming southeast after midnight. .FRIDAY...Mostly sunny in the morning, then partly cloudy with rain showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the upper 60s. Southwest winds around 10 mph. Chance of rain 60 percent. .FRIDAY NIGHT...Rain showers with a chance of thunderstorms in the evening, then rain showers with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the mid 40s. East winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain near 100 percent. .SATURDAY...Rain showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 50s. West winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 90 percent. .SATURDAY NIGHT...Rain showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 40s. Chance of rain 80 percent. .SUNDAY...Rain showers with a slight chance of thunderstorms in the morning, then rain showers with a chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of rain 90 percent. .SUNDAY 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 40s. Chance of rain 30 percent. .MONDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the upper 50s. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. .TUESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the lower 60s. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. A slight chance of thunderstorms in the evening. A slight chance of rain showers. Lows in the mid 40s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. Highs in the mid 60s. $$ WYZ009-172200- Bighorn Mountains Southeast- 247 PM MDT Thu Sep 17 2026 ...FLOOD WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SUNDAY AFTERNOON... .THIS AFTERNOON...Cloudy with numerous showers with isolated thunderstorms. Near steady temperature in the upper 50s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent. .TONIGHT...Partly cloudy. Lows in the upper 40s. West winds 10 to 15 mph. .FRIDAY...Mostly sunny in the morning, then partly cloudy with rain showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the upper 60s. West winds 10 to 15 mph, becoming southwest in the afternoon. Chance of rain 60 percent. .FRIDAY NIGHT...Rain showers with a chance of thunderstorms in the evening, then rain showers likely with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the mid 40s. Northwest winds around 10 mph in the evening. Chance of rain 90 percent. .SATURDAY...Rain showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 50s. West winds around 10 mph. Chance of rain 90 percent. .SATURDAY NIGHT...Rain showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 40s. Chance of rain 90 percent. .SUNDAY...Rain showers with a slight chance of thunderstorms in the morning, then rain showers with a chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of rain near 100 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of rain showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows around 40. Chance of rain 50 percent. .MONDAY...Partly cloudy in the morning, then mostly sunny with a chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 30 percent. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. .TUESDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of rain showers and thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 20 percent. .TUESDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of rain showers. Lows in the mid 40s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. Highs in the mid 60s. $$ WYZ012-172200- Teton and Gros Ventre Mountains- 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Showers and scattered thunderstorms. Highs in the upper 50s. Chance of rain 80 percent. .TONIGHT...Partly cloudy. Scattered showers and thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the lower 40s. South winds around 10 mph. Chance of rain 80 percent. .FRIDAY...Patchy fog in the morning. Partly cloudy with a chance of rain showers with a slight chance of thunderstorms in the morning, then mostly cloudy with rain showers with a chance of thunderstorms in the afternoon. Some thunderstorms may be severe in the afternoon. Highs in the upper 50s. South winds around 10 mph in the afternoon. Chance of rain 80 percent. .FRIDAY NIGHT...Rain showers. A chance of thunderstorms, mainly in the evening. Patchy fog. Some thunderstorms may be severe in the evening. Lows in the upper 30s. Chance of rain 90 percent. .SATURDAY...Rain showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 40s. West winds around 10 mph in the afternoon. Chance of rain 90 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers likely with a slight chance of thunderstorms in the evening, then a chance of rain showers after midnight. Lows in the upper 30s. Chance of rain 60 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 50s. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .MONDAY...Mostly sunny. Highs in the upper 50s. .MONDAY NIGHT...Mostly clear. Lows in the upper 30s. .TUESDAY...Partly cloudy in the morning, then mostly sunny with a slight chance of rain showers and thunderstorms in the afternoon. Highs in the upper 50s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .WEDNESDAY...Mostly sunny. A slight chance of. Highs around 60. $$ WYZ014-172200- Wind River Mountains West- 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Showers and scattered thunderstorms. Near steady temperature in the mid 50s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 80 percent. .TONIGHT...Partly cloudy. Scattered rain showers and thunderstorms in the evening, then rain showers likely with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the lower 40s. Southwest winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 70 percent. .FRIDAY...Partly cloudy. Patchy fog in the morning. Rain showers likely with a slight chance of thunderstorms in the morning, then rain showers with a chance of thunderstorms in the afternoon. Highs in the upper 50s. Southwest winds around 10 mph. Chance of rain 80 percent. .FRIDAY NIGHT...Rain showers. A chance of thunderstorms, mainly in the evening. Patchy fog after midnight. Lows in the upper 30s. South winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 80 percent. .SATURDAY...Partly cloudy. Rain showers likely with possible snow showers and thunderstorms in the morning, then rain showers, a chance of thunderstorms and snow showers in the afternoon. Little or no snow accumulation. Highs around 50. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 80 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of thunderstorms. Rain and snow showers likely, mainly in the evening. Little or no snow accumulation. Lows in the mid 30s. Chance of precipitation 60 percent. .SUNDAY...Partly cloudy with a chance of rain showers. A slight chance of snow showers in the morning, then a chance of snow showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Chance of precipitation 30 percent. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .MONDAY...Mostly sunny. Highs in the mid 50s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. .TUESDAY...Partly cloudy. A slight chance of rain showers in the morning, then a chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 50s. 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 30s. Chance of rain 30 percent. .WEDNESDAY...Mostly sunny. A slight chance of. Highs in the upper 50s. $$ WYZ015-172200- Wind River Mountains East- 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Showers and scattered thunderstorms. Near steady temperature in the mid 50s. Southwest winds around 10 mph with gusts up to 25 mph. Chance of rain 80 percent. .TONIGHT...Partly cloudy. Numerous rain showers and scattered thunderstorms in the evening, then rain showers likely after midnight. Lows in the lower 40s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 60 percent. .FRIDAY...Partly cloudy with a chance of rain showers with a slight chance of thunderstorms in the morning, then mostly cloudy with rain showers with a chance of thunderstorms in the afternoon. Highs in the upper 50s. Southwest winds 10 to 15 mph. Chance of rain 80 percent. .FRIDAY NIGHT...A slight chance of thunderstorms. Rain showers. Patchy fog after midnight. Lows in the upper 30s. Southwest winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 80 percent. .SATURDAY...Partly cloudy. A chance of rain showers, snow showers with a slight chance of thunderstorms in the morning, then rain showers with possible thunderstorms and snow showers in the afternoon. Little or no snow accumulation. Highs in the upper 40s. Southwest winds around 10 mph with gusts up to 25 mph. Chance of precipitation 80 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of thunderstorms. Rain and snow showers likely, mainly in the evening. Little or no snow accumulation. Lows in the mid 30s. Chance of precipitation 60 percent. .SUNDAY...Partly cloudy. A chance of rain and snow showers in the morning, then rain showers, snow showers likely with a slight chance of thunderstorms in the afternoon. Little or no snow accumulation. Highs in the upper 40s. Chance of precipitation 60 percent. .SUNDAY 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 30s. Chance of rain 30 percent. .MONDAY...Mostly sunny. Highs in the mid 50s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. .TUESDAY...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 50s. Chance of rain 30 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of rain showers and thunderstorms in the evening. Lows in the mid 30s. Chance of rain 20 percent. .WEDNESDAY...Mostly sunny. A slight chance of rain showers and thunderstorms in the afternoon. Highs in the upper 50s. Chance of rain 20 percent. $$ WYZ019-172200- Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Mostly cloudy with scattered showers with isolated thunderstorms. Highs in the upper 60s. Southwest winds 10 to 15 mph. Chance of rain 30 percent. .TONIGHT...Partly cloudy. Numerous showers and scattered thunderstorms in the evening. Lows in the upper 40s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 60 percent. .FRIDAY...Partly cloudy. Showers with a chance of thunderstorms in the afternoon. Highs in the lower 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent. .FRIDAY NIGHT...Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog after midnight. Lows in the mid 40s. Southwest winds around 10 mph with gusts up to 25 mph in the evening. Chance of rain 60 percent. .SATURDAY...Partly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. Chance of rain 40 percent. .SATURDAY NIGHT...Mostly cloudy with showers likely with a slight chance of thunderstorms. Lows in the lower 40s. Chance of rain 60 percent. .SUNDAY...Partly cloudy with a chance of showers with a slight chance of thunderstorms. Highs around 60. Chance of rain 40 percent. .SUNDAY NIGHT...Partly cloudy. Lows around 40. .MONDAY...Mostly sunny. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. .TUESDAY...Partly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 20 percent. .TUESDAY 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. .WEDNESDAY...Mostly sunny. Highs in the lower 70s. $$ WYZ024-172200- Salt River and Wyoming Ranges- 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Showers with a chance of thunderstorms. Highs in the upper 50s. West winds around 10 mph with gusts up to 20 mph. Chance of rain 80 percent. .TONIGHT...Partly cloudy. Showers likely with a chance of thunderstorms in the evening, then numerous showers with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the mid 40s. South winds around 10 mph with gusts up to 20 mph. Chance of rain 60 percent. .FRIDAY...Patchy fog in the morning. Partly cloudy with showers likely with a slight chance of thunderstorms in the morning, then mostly cloudy with showers with a chance of thunderstorms in the afternoon. Some thunderstorms may be severe in the afternoon. Highs in the lower 60s. South winds around 10 mph. Chance of rain 80 percent. .FRIDAY NIGHT...Mostly cloudy. Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Some thunderstorms may be severe in the evening. Lows around 40. Chance of rain 80 percent. .SATURDAY...Partly cloudy. Rain showers likely with a slight chance of thunderstorms in the morning, then rain showers with a chance of thunderstorms in the afternoon. Highs in the lower 50s. West winds around 10 mph. Gusts up to 25 mph in the afternoon. Chance of rain 80 percent. .SATURDAY 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 mid 30s. Chance of rain 30 percent. .SUNDAY...Partly cloudy. Highs in the upper 50s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .MONDAY...Mostly sunny. Highs in the lower 60s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 40. .TUESDAY...Partly cloudy with a slight chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 30s. .WEDNESDAY...Mostly sunny. A slight chance of. Highs in the lower 60s. $$ WYZ030-172200- East Sweetwater County- Including the city of Wamsutter 247 PM MDT Thu Sep 17 2026 .THIS AFTERNOON...Mostly cloudy with scattered showers with isolated thunderstorms. Breezy. Near steady temperature in the upper 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 30 percent. .TONIGHT...Partly cloudy. Scattered showers and thunderstorms in the evening. Patchy fog after midnight. Lows in the upper 40s. South winds around 10 mph with gusts up to 20 mph. Chance of rain 30 percent. .FRIDAY...Partly cloudy with a chance of showers in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs around 70. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60 percent. .FRIDAY NIGHT...Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog after midnight. Lows in the mid 40s. Southwest winds 10 to 15 mph. Chance of rain 60 percent. .SATURDAY...Partly cloudy. A slight chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the lower 60s. Southwest winds 10 to 15 mph. Chance of rain 80 percent. .SATURDAY NIGHT...Partly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 30s. Chance of rain 40 percent. .SUNDAY...Partly cloudy. Highs in the lower 60s. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows around 40. Chance of rain 30 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. Highs around 70. $$