Zone Forecast Product
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
011 FPUS55 KRIW 190749 ZFPRIW Zone Forecast Product for Western and Central Wyoming National Weather Service Riverton WY 147 AM MDT Sat Sep 19 2026 WYZ020-191000- Natrona County Lower Elevations- Including the city of Casper 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Partly cloudy. Patchy fog. Lows around 50. .SATURDAY...Partly cloudy. Patchy fog in the morning. A chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs around 70. West winds around 10 mph. Gusts up to 25 mph in the afternoon. Chance of rain 30 percent. .SATURDAY NIGHT...Showers likely. A chance of thunderstorms, mainly in the evening. Some thunderstorms may produce heavy rainfall in the evening. Lows in the lower 40s. Northwest winds around 10 mph with gusts up to 20 mph. Chance of rain 70 percent. .SUNDAY...Showers likely. 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 with gusts up to 25 mph. Chance of rain 60 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows around 40. North winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 30 percent. .MONDAY...Mostly sunny. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows around 40. .TUESDAY...Mostly sunny. Highs in the mid 70s. .TUESDAY NIGHT...Mostly clear 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. .WEDNESDAY...Partly cloudy. Highs in the mid 70s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .THURSDAY...Mostly sunny. Highs in the upper 70s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 50. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the upper 70s. $$ WYZ017-191000- Wind River Basin- Including the cities of Riverton and Shoshoni 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Partly cloudy. Patchy fog. Lows in the lower 50s. .SATURDAY...Patchy fog in the morning. Partly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the morning. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the upper 60s. Northwest winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 40 percent. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Showers. A chance of thunderstorms, mainly in the evening. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Lows in the lower 40s. North winds 10 to 15 mph with gusts up to 25 mph, becoming northwest after midnight. Chance of rain 80 percent. .SUNDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 60. North winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 40s. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. .TUESDAY...Mostly sunny. Highs in the mid 70s. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows around 50. Chance of rain 40 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the mid 70s. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. .THURSDAY...Mostly sunny. Highs in the upper 70s. .THURSDAY NIGHT...Mostly clear. Lows around 50. .FRIDAY...Partly cloudy. Highs in the upper 70s. $$ WYZ018-191000- Lander Foothills- Including the city of Lander 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Partly cloudy. Lows in the lower 50s. Southwest winds around 10 mph. .SATURDAY...Partly cloudy in the morning, then clearing. Patchy fog in the morning. A chance of showers with a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Highs in the upper 60s. North winds around 10 mph in the afternoon. Chance of rain 30 percent. .SATURDAY 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. Some thunderstorms may produce heavy rainfall in the evening. Lows in the lower 40s. Northwest winds around 10 mph in the evening. Chance of rain 80 percent. .SUNDAY...Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of. Highs in the lower 60s. .SUNDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 40s. Chance of rain 20 percent. .MONDAY...Mostly sunny. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows in the lower 40s. .TUESDAY...Partly cloudy in the morning, then clearing. Highs in the lower 70s. .TUESDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the upper 40s. Chance of rain 40 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the mid 70s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .THURSDAY...Mostly sunny. Highs in the upper 70s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the upper 70s. $$ WYZ028-191000- Rock Springs and Green River- Including the cities of Rock Springs and Green River 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Partly cloudy. Patchy fog. Lows in the mid 40s. .SATURDAY...Partly cloudy. Patchy fog in the morning. Showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the mid 60s. West winds around 10 mph. Chance of rain 60 percent. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 30s. West winds around 10 mph with gusts up to 20 mph in the evening. .SUNDAY...Mostly sunny. Highs in the mid 60s. West winds around 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the mid 30s. Northwest winds around 10 mph with gusts up to 20 mph in the evening. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 40. .TUESDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 70. Chance of rain 30 percent. .TUESDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Lows around 40. Chance of rain 30 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs around 70. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. .THURSDAY...Mostly sunny. Highs in the mid 70s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the mid 70s. $$ WYZ013-191000- Jackson Hole- Including the city of Jackson 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Lows around 40. Chance of rain 30 percent. .SATURDAY...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. Some thunderstorms may produce heavy rainfall. Highs in the upper 50s. Chance of rain 60 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. Patchy fog. Some thunderstorms may produce heavy rainfall in the evening. Lows in the lower 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 mid 30s. .MONDAY...Mostly sunny. Highs in the upper 60s. .MONDAY NIGHT...Mostly clear. Lows in the mid 30s. .TUESDAY...Partly cloudy. Highs around 70. .TUESDAY NIGHT...Partly cloudy. A chance of showers after midnight. Lows in the upper 30s. Chance of rain 30 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .THURSDAY...Mostly sunny. Highs in the lower 70s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the lower 70s. $$ WYZ003-191000- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 147 AM MDT Sat Sep 19 2026 ...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON... .REST OF TONIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the lower 50s. Northwest winds around 10 mph with gusts up to 20 mph. Chance of rain 30 percent. .SATURDAY...Mostly 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. Some thunderstorms may produce heavy rainfall. Highs around 60. North winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. Chance of rain 80 percent. .SATURDAY NIGHT...A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Lows in the lower 40s. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the evening. Chance of rain 40 percent. .SUNDAY...Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the upper 50s. Northeast winds around 10 mph in the afternoon. Chance of rain 30 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the lower 40s. Northwest winds around 10 mph in the evening. Chance of rain 30 percent. .MONDAY...Mostly sunny. Highs in the mid 60s. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers. Lows around 50. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the mid 70s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 50. .THURSDAY...Mostly sunny. Highs in the mid 70s. .THURSDAY NIGHT...Mostly clear. Lows around 50. .FRIDAY...Partly cloudy. Highs in the mid 70s. $$ WYZ004-191000- North Bighorn Basin- Including the cities of Basin, Greybull, Lovell, Powell, and Shell 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the mid 50s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. .SATURDAY...Mostly cloudy in the morning, then becoming partly cloudy. Patchy fog in the morning. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Some thunderstorms may produce heavy rainfall. Breezy with highs in the mid 60s. Northwest winds around 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of rain 60 percent. .SATURDAY NIGHT...Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Some thunderstorms may produce heavy rainfall in the evening. Breezy with lows in the mid 40s. Northwest winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 60 percent. .SUNDAY...Cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Northwest winds around 10 mph with gusts up to 20 mph. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. Northwest winds around 10 mph with gusts up to 20 mph in the evening. .MONDAY...Partly cloudy in the morning, then clearing. Highs around 70. .MONDAY NIGHT...Clear. Lows in the mid 40s. .TUESDAY...Mostly sunny. Highs in the mid 70s. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows around 50. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. Highs in the upper 70s. .WEDNESDAY NIGHT...Mostly clear. Lows around 50. .THURSDAY...Mostly sunny. Highs around 80. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs around 80. $$ WYZ006-191000- Southeast Bighorn Basin- Including the cities of Ten Sleep and Worland 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Partly cloudy. Patchy fog. Near steady temperature in the upper 50s. Northwest winds around 10 mph with gusts up to 20 mph. .SATURDAY...Partly cloudy. Patchy fog in the morning. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall. Highs in the upper 60s. Northwest winds 10 to 15 mph. Chance of rain 60 percent. .SATURDAY NIGHT...A chance of thunderstorms in the evening. Mostly cloudy with showers. Some thunderstorms may produce heavy rainfall in the evening. Breezy with lows in the mid 40s. Northwest winds 15 to 20 mph, becoming west around 10 mph after midnight. Chance of rain 80 percent. .SUNDAY...Cloudy with showers likely. A slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Northwest winds around 10 mph. Chance of rain 60 percent. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 40s. .MONDAY...Mostly sunny. Highs in the lower 70s. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. .TUESDAY...Mostly sunny. Highs in the mid 70s. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows around 50. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. Highs in the upper 70s. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. .THURSDAY...Mostly sunny. Highs in the lower 80s. .THURSDAY NIGHT...Mostly clear. Lows around 50. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the lower 80s. $$ WYZ005-191000- Southwest Bighorn Basin- Including the city of Thermopolis 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Mostly cloudy. Patchy fog. Lows in the lower 50s. West winds around 10 mph. .SATURDAY...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. Some thunderstorms may produce heavy rainfall. Highs in the mid 60s. North winds 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of rain 60 percent. .SATURDAY NIGHT...Mostly cloudy. Showers with a chance of thunderstorms in the evening, then showers likely after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Lows in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent. .SUNDAY...Cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 60s. North winds around 10 mph in the afternoon. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 40s. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. .TUESDAY...Mostly sunny. Highs in the mid 70s. .TUESDAY NIGHT...Mostly clear 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 around 50. Chance of rain 30 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. Highs in the mid 70s. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 40s. .THURSDAY...Mostly sunny. Highs around 80. .THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. .FRIDAY...Partly cloudy. Highs around 80. $$ WYZ023-191000- Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Partly cloudy with a chance of showers with a slight chance of thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Lows in the lower 40s. Chance of rain 30 percent. .SATURDAY...Patchy fog in the morning. Partly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall. Highs around 60. Chance of rain 60 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of rain showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Patchy fog. Some thunderstorms may produce heavy rainfall in the evening. Lows in the lower 30s. Chance of rain 30 percent. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the lower 60s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 30s. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. .TUESDAY...Partly cloudy. A slight chance of. Highs in the lower 70s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows around 40. Chance of rain 40 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .THURSDAY...Sunny. Highs in the mid 70s. .THURSDAY NIGHT...Partly cloudy. Lows around 40. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the mid 70s. $$ WYZ025-191000- Upper Green River Basin Foothills- Including the city of Pinedale 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Partly cloudy with a chance of rain showers with a slight chance of thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Near steady temperature in the lower 40s. Chance of rain 30 percent. .SATURDAY...Patchy fog in the morning. Partly cloudy with a chance of rain showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the morning. Some thunderstorms may produce heavy rainfall in the afternoon. Highs around 60. Chance of rain 40 percent. .SATURDAY NIGHT...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Lows around 30. Northwest winds around 10 mph. Chance of rain 30 percent. .SUNDAY...Mostly sunny. Highs around 60. Northwest winds around 10 mph with gusts up to 20 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the lower 30s. Northwest winds around 10 mph with gusts up to 20 mph in the evening. .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. Highs in the upper 60s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the upper 30s. Chance of rain 40 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 30s. .THURSDAY...Mostly sunny. Highs around 70. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. .FRIDAY...Partly cloudy. Highs around 70. $$ WYZ026-191000- Upper Green River Basin- Including the cities of La Barge, Big Piney, and Farson 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Partly cloudy with a slight chance of rain showers and thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Lows in the lower 40s. Chance of rain 20 percent. .SATURDAY...Patchy fog in the morning. Partly cloudy with a slight chance of thunderstorms. A chance of rain showers in the afternoon. Some thunderstorms may produce heavy rainfall. Highs in the lower 60s. West winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 30 percent. .SATURDAY NIGHT...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Lows around 30. Northwest winds around 10 mph. Chance of rain 30 percent. .SUNDAY...Partly cloudy in the morning, then clearing. Highs around 60. West winds around 10 mph with gusts up to 20 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the lower 30s. .MONDAY...Mostly sunny. Highs in the mid 60s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. .TUESDAY...Partly cloudy. Highs in the upper 60s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the upper 30s. Chance of rain 40 percent. .WEDNESDAY...Partly cloudy. Highs in the upper 60s. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 30s. .THURSDAY...Sunny. Highs in the lower 70s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. .FRIDAY...Partly cloudy. Highs in the lower 70s. $$ WYZ010-191000- Northeast Johnson County- Including the city of Buffalo 147 AM MDT Sat Sep 19 2026 ...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON... .REST OF TONIGHT...Mostly cloudy. Lows in the mid 50s. Northwest winds around 10 mph. .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. Some thunderstorms may produce heavy rainfall. Highs in the upper 60s. North winds around 10 mph. Chance of rain 70 percent. .SATURDAY 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 around 50. Northwest winds 10 to 15 mph. Chance of rain 80 percent. .SUNDAY...Showers in the morning, then showers with a slight chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the lower 60s. Northwest winds around 10 mph. Gusts up to 25 mph in the afternoon. Chance of rain 80 percent. .SUNDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 40s. Northwest winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 50 percent. .MONDAY...Partly cloudy in the morning, then clearing. Highs around 70. .MONDAY NIGHT...Mostly clear. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the mid 70s. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs around 80. .WEDNESDAY NIGHT...Mostly clear. Lows around 50. .THURSDAY...Mostly sunny. Highs around 80. .THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs around 80. $$ WYZ011-191000- Southeast Johnson County- Including the city of Kaycee 147 AM MDT Sat Sep 19 2026 ...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON... .REST OF TONIGHT...Partly cloudy. Patchy fog. Lows in the lower 50s. .SATURDAY...Partly cloudy. Patchy fog in the morning. Showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs around 70. North winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 60 percent. .SATURDAY NIGHT...Showers. A chance of thunderstorms, mainly in the evening. Some thunderstorms may produce heavy rainfall in the evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the upper 40s. North winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 80 percent. .SUNDAY...Showers with a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Highs in the lower 60s. North winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 80 percent. .SUNDAY NIGHT...Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 40s. Northwest winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 50 percent. .MONDAY...Partly cloudy in the morning, then clearing. Highs around 70. .MONDAY NIGHT...Mostly clear and breezy. Lows in the mid 40s. .TUESDAY...Mostly sunny. Highs in the upper 70s. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of showers. Lows around 50. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy. A slight chance of. Highs in the upper 70s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 40s. .THURSDAY...Mostly sunny. Highs in the lower 80s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the lower 80s. $$ WYZ027-191000- South Lincoln County- Including the cities of Kemmerer and Cokeville 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Partly cloudy. Patchy fog. Lows in the mid 40s. .SATURDAY...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 around 60. West winds 10 to 15 mph. Chance of rain 30 percent. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Patchy fog after midnight. Lows around 30. West winds 10 to 15 mph. .SUNDAY...Mostly sunny. Highs in the lower 60s. West winds around 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the lower 30s. Northwest winds around 10 mph with gusts up to 20 mph in the evening. .MONDAY...Mostly sunny. Highs in the upper 60s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 30s. .TUESDAY...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 30 percent. .TUESDAY NIGHT...A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows around 40. Chance of rain 40 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs around 70. .WEDNESDAY NIGHT...Mostly clear. Lows around 40. .THURSDAY...Sunny. Highs in the lower 70s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 40. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the lower 70s. $$ WYZ016-191000- Upper Wind River Basin- Including the city of Dubois 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Lows in the mid 40s. Chance of rain 20 percent. .SATURDAY...Patchy fog in the morning. Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly cloudy with showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall. Highs around 60. Northwest winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 60 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers with a chance of thunderstorms in the evening, then a chance of rain showers after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Lows in the mid 30s. Northwest winds around 10 mph in the evening. Chance of rain 80 percent. .SUNDAY...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Southeast winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening. Lows in the upper 30s. Southeast winds around 10 mph in the evening. Chance of rain 30 percent. .MONDAY...Mostly sunny. Highs in the lower 60s. .MONDAY NIGHT...Mostly clear. Lows around 40. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 60s. .TUESDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the lower 40s. Chance of rain 40 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. .THURSDAY...Mostly sunny. Highs around 70. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. .FRIDAY...Partly cloudy. Highs around 70. $$ WYZ001-191000- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 147 AM MDT Sat Sep 19 2026 ...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON... .REST OF TONIGHT...Mostly cloudy with a chance of rain showers with a slight chance of thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Lows in the upper 30s. Chance of rain 30 percent. .SATURDAY...Patchy fog in the morning. Mostly cloudy with rain showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the morning. Some thunderstorms may produce heavy rainfall in the afternoon. Highs around 50. Chance of rain 60 percent. .SATURDAY NIGHT...A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of rain showers. Patchy fog. Some thunderstorms may produce heavy rainfall in the evening. Lows in the mid 30s. Chance of rain 30 percent. .SUNDAY...Mostly cloudy. A chance of rain showers in the morning. Highs in the lower 50s. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 30s. .MONDAY...Mostly sunny. Highs in the lower 60s. .MONDAY NIGHT...Mostly clear. Lows in the mid 30s. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 60s. .TUESDAY NIGHT...Partly cloudy. A slight chance of. Lows in the upper 30s. .WEDNESDAY...Partly cloudy in the morning, then clearing. Highs in the lower 60s. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 30s. .THURSDAY...Mostly sunny. Highs in the mid 60s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the mid 60s. $$ WYZ029-191000- Flaming Gorge- 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Partly cloudy with a chance of showers with a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows around 50. Southeast winds around 10 mph. Chance of rain 30 percent. .SATURDAY...Partly cloudy. Patchy fog in the morning. Showers with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the lower 60s. South winds around 10 mph, becoming west with gusts up to 20 mph in the afternoon. Chance of rain 80 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Some thunderstorms may produce heavy rainfall in the evening. Lows around 40. West winds around 10 mph in the evening. Chance of rain 30 percent. .SUNDAY...Mostly sunny. Highs in the mid 60s. West winds around 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. West winds around 10 mph in the evening. .MONDAY...Mostly sunny. Highs around 70. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. .TUESDAY...Partly cloudy. A slight chance of. Highs in the lower 70s. .TUESDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 40s. Chance of rain 30 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the lower 70s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .THURSDAY...Mostly sunny. Highs in the lower 70s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 40s. .FRIDAY...Partly cloudy. Highs in the mid 70s. $$ WYZ022-191000- Casper Mountain- 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Partly cloudy. Near steady temperature in the lower 50s. South winds around 10 mph. .SATURDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the mid 60s. Southwest winds around 10 mph with gusts up to 20 mph. Chance of rain 30 percent. .SATURDAY NIGHT...Partly cloudy with showers likely. A chance of thunderstorms, mainly in the evening. Some thunderstorms may produce heavy rainfall in the evening. Lows in the lower 40s. West winds around 10 mph in the evening. Chance of rain 60 percent. .SUNDAY...Showers likely. 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 25 mph. Chance of rain 60 percent. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 30s. Northwest winds around 10 mph with gusts up to 20 mph in the evening. .MONDAY...Mostly sunny. Highs in the lower 60s. .MONDAY NIGHT...Mostly clear. Lows around 40. .TUESDAY...Mostly sunny. Highs in the upper 60s. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the mid 40s. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy. A slight chance of. Highs in the upper 60s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .THURSDAY...Mostly sunny. Highs in the lower 70s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the lower 70s. $$ WYZ002-191000- Absaroka Mountains- 147 AM MDT Sat Sep 19 2026 ...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON... .REST OF TONIGHT...Mostly cloudy with a chance of rain showers with a slight chance of thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Near steady temperature in the lower 40s. Chance of rain 30 percent. .SATURDAY...Mostly cloudy. Patchy fog in the morning. A chance of rain showers with a slight chance of thunderstorms in the morning, then rain showers with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall. Highs around 50. West winds around 10 mph in the afternoon. Chance of rain 80 percent. .SATURDAY NIGHT...Mostly cloudy with a chance of snow showers. Rain showers likely with a slight chance of thunderstorms in the evening, then a chance of rain showers after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Snow accumulation up to 1 inch. Lows in the mid 30s. Northwest winds around 10 mph in the evening. Chance of precipitation 60 percent. .SUNDAY...Mostly cloudy with a chance of rain showers. A slight chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the upper 40s. Northwest winds around 10 mph in the afternoon. Chance of rain 30 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. West winds around 10 mph in the evening. Chance of rain 30 percent. .MONDAY...Mostly sunny. Highs in the mid 50s. .MONDAY NIGHT...Mostly clear. Lows in the upper 30s. .TUESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 50s. .TUESDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a chance of rain showers. Lows in the upper 30s. Chance of rain 40 percent. .WEDNESDAY...Partly cloudy with a slight chance of rain showers in the morning, then mostly sunny with a chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .THURSDAY...Mostly sunny. Highs in the lower 60s. .THURSDAY NIGHT...Mostly clear. Lows around 40. .FRIDAY...Partly cloudy. Highs in the lower 60s. $$ WYZ007-191000- Owl Creek and Bridger Mountains- 147 AM MDT Sat Sep 19 2026 ...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON... .REST OF TONIGHT...Mostly cloudy. Lows in the lower 50s. Southwest winds around 10 mph. .SATURDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall. Highs in the lower 60s. North winds 10 to 15 mph in the afternoon. Chance of rain 80 percent. .SATURDAY NIGHT...A chance of thunderstorms in the evening. Showers. Some thunderstorms may produce heavy rainfall in the evening. Breezy with lows in the lower 40s. North winds 15 to 20 mph. Chance of rain 80 percent. .SUNDAY...Cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the mid 50s. North winds around 10 mph. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy. A chance of showers in the evening. Lows in the lower 40s. North winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 30 percent. .MONDAY...Mostly sunny. Highs in the mid 60s. .MONDAY NIGHT...Mostly clear. Lows in the mid 40s. .TUESDAY...Mostly sunny. Highs in the upper 60s. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the upper 40s. Chance of rain 30 percent. .WEDNESDAY...Partly cloudy. A slight chance of. Highs in the lower 70s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 40s. .THURSDAY...Mostly sunny. Highs in the lower 70s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 50s. .FRIDAY...Partly cloudy. Highs in the mid 70s. $$ WYZ008-191000- Bighorn Mountains West- 147 AM MDT Sat Sep 19 2026 ...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON... .REST OF TONIGHT...Mostly cloudy with a chance of rain showers with a slight chance of thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Lows in the upper 40s. Chance of rain 30 percent. .SATURDAY...Patchy fog in the morning. Partly cloudy with a chance of thunderstorms. A chance of rain showers in the morning, then rain showers likely in the afternoon. Some thunderstorms may produce heavy rainfall. Highs in the mid 50s. West winds around 10 mph in the afternoon. Chance of rain 60 percent. .SATURDAY 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 in the upper 30s. Northwest winds around 10 mph with gusts up to 20 mph, becoming west after midnight. Chance of rain 80 percent. .SUNDAY...Cloudy. Rain showers likely in the morning, then rain showers with a slight chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the upper 40s. West winds around 10 mph. Chance of rain 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 upper 30s. Chance of rain 30 percent. .MONDAY...Mostly sunny. Highs in the upper 50s. .MONDAY NIGHT...Clear. Lows in the lower 40s. .TUESDAY...Mostly sunny. Highs in the mid 60s. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of rain showers and thunderstorms. Lows in the upper 40s. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of rain showers. Highs in the mid 60s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 40s. .THURSDAY...Mostly sunny. Highs in the upper 60s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the upper 60s. $$ WYZ009-191000- Bighorn Mountains Southeast- 147 AM MDT Sat Sep 19 2026 ...FLOOD WATCH IN EFFECT THROUGH SUNDAY AFTERNOON... .REST OF TONIGHT...Mostly cloudy. Patchy fog. Near steady temperature in the upper 40s. .SATURDAY...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the morning, then rain showers with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall. Highs in the upper 50s. West winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 80 percent. .SATURDAY NIGHT...Rain 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 in the upper 30s. Northwest winds around 10 mph. Chance of rain 80 percent. .SUNDAY...Rain showers with a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Highs around 50. Northwest winds around 10 mph. Chance of rain 80 percent. .SUNDAY NIGHT...Mostly cloudy with rain showers likely with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 30s. Northwest winds around 10 mph in the evening. Chance of rain 60 percent. .MONDAY...Mostly sunny. A slight chance of. Highs in the upper 50s. .MONDAY NIGHT...Mostly clear. Lows around 40. .TUESDAY...Mostly sunny. Highs in the mid 60s. .TUESDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of rain showers. Lows in the mid 40s. Chance of rain 30 percent. .WEDNESDAY...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 mid 60s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 40s. .THURSDAY...Mostly sunny. Highs in the upper 60s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 40s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the upper 60s. $$ WYZ012-191000- Teton and Gros Ventre Mountains- 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Mostly cloudy with a chance of rain showers with a slight chance of thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Lows in the upper 30s. Chance of rain 30 percent. .SATURDAY...Patchy fog in the morning. Mostly cloudy with rain showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the morning. Some thunderstorms may produce heavy rainfall in the afternoon. Highs around 50. Chance of rain 60 percent. .SATURDAY NIGHT...Mostly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening. Patchy fog. Some thunderstorms may produce heavy rainfall in the evening. Lows in the lower 30s. Chance of rain 30 percent. .SUNDAY...Partly cloudy. Highs in the lower 50s. West winds around 10 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 30s. .MONDAY...Mostly sunny. Highs around 60. .MONDAY NIGHT...Mostly clear. Lows in the mid 30s. .TUESDAY...Partly cloudy. Highs in the lower 60s. .TUESDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a chance of rain showers. Lows in the upper 30s. Chance of rain 40 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .THURSDAY...Mostly sunny. Highs in the mid 60s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. .FRIDAY...Partly cloudy. Highs in the lower 60s. $$ WYZ014-191000- Wind River Mountains West- 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Mostly cloudy with a chance of rain showers with a slight chance of thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Near steady temperature around 40. Chance of rain 30 percent. .SATURDAY...Patchy fog in the morning. Partly cloudy with a chance of rain and snow showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the morning. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 40 percent. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of snow showers with a slight chance of thunderstorms in the evening. A chance of rain showers. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Lows in the lower 30s. Northwest winds around 10 mph with gusts up to 20 mph in the evening. Chance of precipitation 30 percent. .SUNDAY...Partly cloudy. Highs around 50. West winds around 10 mph with gusts up to 20 mph in the afternoon. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 30s. Northwest winds around 10 mph in the evening. .MONDAY...Mostly sunny. Highs in the mid 50s. .MONDAY NIGHT...Mostly clear. Lows in the mid 30s. .TUESDAY...Partly cloudy. Highs in the upper 50s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms. Rain showers likely, mainly in the evening. Lows in the upper 30s. Chance of rain 60 percent. .WEDNESDAY...Partly cloudy with a chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .THURSDAY...Mostly sunny. A slight chance of. Highs in the lower 60s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. .FRIDAY...Partly cloudy. Highs in the lower 60s. $$ WYZ015-191000- Wind River Mountains East- 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Mostly cloudy with a slight chance of rain showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the upper 30s. Southwest winds around 10 mph. Chance of rain 20 percent. .SATURDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow showers. A chance of rain showers with a slight chance of thunderstorms in the morning, then rain showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the morning. Some thunderstorms may produce heavy rainfall in the afternoon. Snow accumulation up to 1 inch. Highs in the lower 50s. Southwest winds around 10 mph. Chance of precipitation 60 percent. .SATURDAY NIGHT...Mostly cloudy. Rain showers likely, a chance of thunderstorms and snow showers likely in the evening, then a chance of rain and snow showers after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Snow accumulation up to 1 inch. Lows in the lower 30s. West winds around 10 mph in the evening. Chance of precipitation 60 percent. .SUNDAY...Partly cloudy in the morning, then mostly cloudy with a chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 40s. North winds around 10 mph with gusts up to 20 mph in the afternoon. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy with a chance of rain showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 30s. Chance of rain 30 percent. .MONDAY...Mostly sunny. Highs in the mid 50s. .MONDAY NIGHT...Mostly clear. Lows in the mid 30s. .TUESDAY...Partly cloudy. A slight chance of. Highs in the upper 50s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A chance of rain showers. Lows in the upper 30s. Chance of rain 50 percent. .WEDNESDAY...Partly cloudy with a chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .THURSDAY...Mostly sunny. A slight chance of. Highs in the upper 50s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. .FRIDAY...Partly cloudy. Highs around 60. $$ WYZ019-191000- Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Partly cloudy. Lows in the upper 40s. Southwest winds around 10 mph. .SATURDAY...Partly cloudy. A chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Showers likely. A chance of thunderstorms, mainly in the evening. Some thunderstorms may produce heavy rainfall in the evening. Lows in the upper 30s. Northwest winds around 10 mph with gusts up to 20 mph. Chance of rain 60 percent. .SUNDAY...Mostly cloudy with a slight chance of thunderstorms. A chance of rain showers. Highs in the upper 50s. West winds around 10 mph with gusts up to 25 mph. Chance of rain 30 percent. .SUNDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. North winds around 10 mph with gusts up to 20 mph in the evening. .MONDAY...Mostly sunny. Highs in the mid 60s. .MONDAY NIGHT...Mostly clear. Lows around 40. .TUESDAY...Mostly sunny. Highs in the lower 70s. .TUESDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 40s. Chance of rain 40 percent. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of. Highs in the lower 70s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 40s. .THURSDAY...Mostly sunny. Highs in the mid 70s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. .FRIDAY...Partly cloudy. Highs in the mid 70s. $$ WYZ024-191000- Salt River and Wyoming Ranges- 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Partly cloudy with a chance of rain showers with a slight chance of thunderstorms. Patchy fog. Some thunderstorms may produce heavy rainfall. Near steady temperature in the lower 40s. Chance of rain 30 percent. .SATURDAY...Partly cloudy. Patchy fog in the morning. A chance of rain showers with a slight chance of thunderstorms in the morning, then rain showers likely with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall. Highs in the mid 50s. West winds around 10 mph with gusts up to 25 mph in the afternoon. Chance of rain 60 percent. .SATURDAY NIGHT...Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Lows in the lower 30s. Northwest winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 30 percent. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the mid 50s. Northwest winds around 10 mph with gusts up to 25 mph in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the mid 30s. Northwest winds around 10 mph with gusts up to 20 mph in the evening. .MONDAY...Mostly sunny. Highs in the lower 60s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. .TUESDAY...Partly cloudy. A slight chance of rain showers and thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 20 percent. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A chance of rain showers. Lows around 40. Chance of rain 40 percent. .WEDNESDAY...Partly cloudy in the morning, then clearing. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of rain 20 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 30s. .THURSDAY...Sunny. Highs in the mid 60s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the mid 60s. $$ WYZ030-191000- East Sweetwater County- Including the city of Wamsutter 147 AM MDT Sat Sep 19 2026 .REST OF TONIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the upper 40s. South winds around 10 mph. Chance of rain 30 percent. .SATURDAY...Partly cloudy. Showers with a chance of thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the mid 60s. Southwest winds around 10 mph, becoming west with gusts up to 25 mph in the afternoon. Chance of rain 80 percent. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. A slight chance of thunderstorms. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. Lows in the upper 30s. West winds around 10 mph with gusts up to 20 mph in the evening. Chance of rain 30 percent. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the lower 60s. West winds around 10 mph. .SUNDAY NIGHT...Mostly clear. Lows in the upper 30s. Northwest winds around 10 mph in the evening. .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. Highs around 70. .TUESDAY NIGHT...A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the lower 40s. Chance of rain 30 percent. .WEDNESDAY...Partly cloudy. Highs around 70. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 40s. .THURSDAY...Mostly sunny. Highs in the lower 70s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. .FRIDAY...Partly cloudy. A slight chance of. Highs in the mid 70s. $$