Zone Forecast Product
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
088 FPUS55 KRIW 180703 ZFPRIW Zone Forecast Product for Western and Central Wyoming National Weather Service Riverton WY 1201 AM MST Tue Nov 18 2025 WYZ020-181100- Natrona County Lower Elevations- Including the city of Casper 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows around 40. Southwest winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY...Mostly cloudy. Highs in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest winds 10 to 15 mph with gusts up to 30 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 50s. West winds around 10 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 20s. Northeast winds around 10 mph in the evening. .THURSDAY...Partly cloudy in the morning, then clearing. Highs around 50. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs around 50. .FRIDAY NIGHT...Mostly clear. Lows in the upper 20s. .SATURDAY...Mostly sunny. Highs around 50. .SATURDAY NIGHT...Mostly clear. Lows around 30. .SUNDAY...Mostly sunny and breezy. Highs in the lower 50s. .SUNDAY NIGHT...Partly cloudy. Lows around 30. .MONDAY...Partly cloudy. Highs in the upper 40s. $$ WYZ017-181100- Wind River Basin- Including the cities of Riverton and Shoshoni 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows in the upper 30s. Southwest winds around 10 mph with gusts up to 20 mph. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 50. South winds around 10 mph with gusts up to 25 mph. .TUESDAY NIGHT...Partly cloudy. Lows around 30. Southwest winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY...Partly cloudy. Highs around 50. Southwest winds around 10 mph in the morning. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. .THURSDAY...Mostly sunny. Highs in the upper 40s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the upper 40s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 20s. .SATURDAY...Mostly sunny. Highs around 50. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. .SUNDAY...Mostly sunny. Highs around 50. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s. .MONDAY...Partly cloudy in the morning, then clearing. Highs around 50. $$ WYZ018-181100- Lander Foothills- Including the city of Lander 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows in the upper 30s. Southwest winds around 10 mph. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 50. Southwest winds around 10 mph, becoming southeast with gusts up to 25 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. Southwest winds around 10 mph with gusts up to 25 mph. .WEDNESDAY...Partly cloudy. Highs around 50. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. .THURSDAY...Mostly sunny. Highs in the upper 40s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the upper 40s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 20s. .SATURDAY...Mostly sunny. Highs in the upper 40s. .SATURDAY NIGHT...Mostly clear. Lows around 30. .SUNDAY...Mostly sunny. Highs around 50. .SUNDAY NIGHT...Partly cloudy. Lows around 30. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the upper 40s. $$ WYZ028-181100- Rock Springs and Green River- Including the cities of Rock Springs and Green River 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows in the upper 20s. .TUESDAY...Mostly cloudy. Highs in the mid 40s. .TUESDAY NIGHT...Mostly cloudy. Lows in the upper 20s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 40s. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 20s. .THURSDAY...Partly cloudy. Highs in the upper 40s. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 20s. .FRIDAY...Partly cloudy. Highs in the mid 40s. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 20s. .SATURDAY...Mostly sunny. Highs in the mid 40s. .SATURDAY NIGHT...Mostly clear. Lows in the lower 20s. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 20s. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the upper 40s. $$ WYZ013-181100- Jackson Hole- Including the city of Jackson 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Cloudy with a chance of rain and snow showers. Lows around 30. Chance of precipitation 30 percent. .TUESDAY...Mostly cloudy. A slight chance of. Highs in the lower 40s. .TUESDAY NIGHT...Partly cloudy. A chance of snow showers after midnight. Lows in the mid 20s. Chance of snow 30 percent. .WEDNESDAY...Mostly cloudy with a chance of snow and rain showers. Little or no snow accumulation. Highs in the mid 40s. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Partly cloudy. A slight chance of rain and snow showers in the evening. Lows in the mid 20s. Chance of precipitation 20 percent. .THURSDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 20s. .FRIDAY...Mostly sunny. Highs in the mid 40s. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. .SATURDAY...Partly cloudy in the morning, then clearing. A slight chance of snow showers. A slight chance of rain showers in the afternoon. Highs in the lower 40s. Chance of precipitation 20 percent. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. .SUNDAY...Partly cloudy with a slight chance of snow showers. A slight chance of rain showers in the afternoon. Highs in the lower 40s. Chance of precipitation 20 percent. .SUNDAY NIGHT...Partly cloudy. A slight chance of rain and snow showers in the evening, then a chance of snow showers after midnight. Lows in the mid 20s. Chance of precipitation 30 percent. .MONDAY...Mostly cloudy in the morning, then becoming partly cloudy. A chance of snow showers. A chance of rain showers in the afternoon. Highs in the lower 40s. Chance of precipitation 30 percent. $$ WYZ003-181100- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows in the lower 40s. West winds around 10 mph with gusts up to 20 mph. .TUESDAY...Mostly cloudy. Highs in the lower 50s. Southwest winds around 10 mph, becoming south in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s. West winds around 10 mph. .WEDNESDAY...Partly cloudy. Highs in the upper 40s. West winds around 10 mph, becoming northeast in the afternoon. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. .THURSDAY...Mostly sunny. Highs in the upper 40s. .THURSDAY NIGHT...Mostly clear. Lows around 30. .FRIDAY...Mostly sunny. Highs in the lower 50s. .FRIDAY NIGHT...Mostly clear. Lows around 30. .SATURDAY...Partly cloudy in the morning, then clearing. Highs around 50. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 30s. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the lower 50s. .SUNDAY NIGHT...Partly cloudy. A slight chance of. Lows around 30. .MONDAY...Partly cloudy with a slight chance of rain showers. A slight chance of snow showers in the afternoon. Highs in the upper 40s. Chance of precipitation 20 percent. $$ WYZ004-181100- North Bighorn Basin- Including the cities of Basin, Greybull, Lovell, Powell, and Shell 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows around 40. .TUESDAY...Mostly cloudy. Highs in the mid 50s. Southeast winds around 10 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. South winds around 10 mph. .WEDNESDAY...Partly cloudy. Highs in the lower 50s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. .THURSDAY...Mostly sunny. Highs around 50. .THURSDAY NIGHT...Mostly clear. Lows in the upper 20s. .FRIDAY...Mostly sunny. Highs in the lower 50s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 20s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs around 50. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 20s. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the lower 50s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s. .MONDAY...Partly cloudy. Highs in the upper 40s. $$ WYZ006-181100- Southeast Bighorn Basin- Including the cities of Ten Sleep and Worland 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows around 40. .TUESDAY...Mostly cloudy. Highs in the lower 50s. Southeast winds around 10 mph in the afternoon. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. South winds around 10 mph in the evening. .WEDNESDAY...Partly cloudy. Highs in the lower 50s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. .THURSDAY...Mostly sunny. Highs around 50. .THURSDAY NIGHT...Mostly clear. Lows in the upper 20s. .FRIDAY...Mostly sunny. Highs around 50. .FRIDAY NIGHT...Mostly clear. Lows in the upper 20s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs around 50. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the lower 50s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s. .MONDAY...Partly cloudy. Highs around 50. $$ WYZ005-181100- Southwest Bighorn Basin- Including the city of Thermopolis 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows around 40. .TUESDAY...Mostly cloudy. Highs in the lower 50s. South winds around 10 mph with gusts up to 20 mph, becoming southeast in the afternoon. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 30s. Southwest winds around 10 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs around 50. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. .THURSDAY...Mostly sunny. Highs around 50. .THURSDAY NIGHT...Mostly clear. Lows in the upper 20s. .FRIDAY...Mostly sunny. Highs around 50. .FRIDAY NIGHT...Mostly clear. Lows in the upper 20s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs around 50. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the lower 50s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s. .MONDAY...Partly cloudy. Highs around 50. $$ WYZ023-181100- Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows around 30. .TUESDAY...Mostly cloudy. Highs in the mid 40s. .TUESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with rain and snow showers likely after midnight. No snow accumulation. Lows in the upper 20s. Chance of precipitation 60 percent. .WEDNESDAY...Snow showers likely in the morning. Rain showers likely. Little or no snow accumulation. Highs in the mid 40s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 20s. .THURSDAY...Partly cloudy in the morning, then clearing. Highs around 50. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows around 20. .SUNDAY...Partly cloudy. Highs in the mid 40s. .SUNDAY NIGHT...Partly cloudy. A slight chance of. Lows in the mid 20s. .MONDAY...Partly cloudy. A slight chance of rain and snow showers in the morning, then a chance of rain and snow showers in the afternoon. Highs in the mid 40s. Chance of precipitation 30 percent. $$ WYZ025-181100- Upper Green River Basin Foothills- Including the city of Pinedale 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows in the upper 20s. .TUESDAY...Mostly cloudy. Highs around 40. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 20s. .WEDNESDAY...Mostly cloudy with a chance of snow showers. A chance of rain showers in the afternoon. Highs in the lower 40s. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Partly cloudy. Cold with lows around 20. .THURSDAY...Mostly sunny. Highs in the mid 40s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows around 20. .FRIDAY...Mostly sunny. Highs in the mid 40s. .FRIDAY NIGHT...Mostly clear. Cold with lows around 20. .SATURDAY...Mostly sunny. Highs in the lower 40s. .SATURDAY NIGHT...Mostly clear. Cold with lows around 20. .SUNDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 40s. .SUNDAY NIGHT...Partly cloudy. Cold with lows around 20. .MONDAY...Partly cloudy. Highs in the lower 40s. $$ WYZ026-181100- Upper Green River Basin- Including the cities of La Barge, Big Piney, and Farson 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows in the upper 20s. .TUESDAY...Mostly cloudy. Highs in the lower 40s. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 20s. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 40s. .WEDNESDAY NIGHT...Partly cloudy. Lows around 20. .THURSDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 20s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. .FRIDAY NIGHT...Mostly clear. Cold with lows around 20. .SATURDAY...Mostly sunny. Highs in the lower 40s. .SATURDAY NIGHT...Mostly clear. Cold with lows around 20. .SUNDAY...Mostly sunny. Highs in the mid 40s. .SUNDAY NIGHT...Partly cloudy. Cold with lows around 20. .MONDAY...Partly cloudy. Highs in the mid 40s. $$ WYZ010-181100- Northeast Johnson County- Including the city of Buffalo 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Partly cloudy. Lows in the upper 30s. .TUESDAY...Mostly cloudy. Highs in the mid 50s. Southeast winds around 10 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 30s. West winds around 10 mph. .WEDNESDAY...Partly cloudy. Highs in the upper 40s. Northwest winds around 10 mph, becoming north in the afternoon. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. North winds around 10 mph in the evening. .THURSDAY...Mostly sunny. Highs around 50. .THURSDAY NIGHT...Mostly clear. Lows around 30. .FRIDAY...Mostly sunny. Highs in the mid 50s. .FRIDAY NIGHT...Mostly clear. Lows around 30. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the lower 50s. .SATURDAY NIGHT...Mostly clear. Lows around 30. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the mid 50s. .SUNDAY NIGHT...Partly cloudy. Lows around 30. .MONDAY...Partly cloudy. Highs in the upper 40s. $$ WYZ011-181100- Southeast Johnson County- Including the city of Kaycee 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Partly cloudy. Lows in the upper 30s. Southwest winds around 10 mph. .TUESDAY...Mostly cloudy. Highs in the mid 50s. South winds around 10 mph with gusts up to 20 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 30s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY...Partly cloudy. Highs in the lower 50s. West winds around 10 mph, becoming northeast in the afternoon. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 20s. North winds around 10 mph in the evening. .THURSDAY...Mostly sunny. Highs in the lower 50s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 20s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the mid 50s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 20s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the lower 50s. .SATURDAY NIGHT...Mostly clear. Lows around 30. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the mid 50s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s. .MONDAY...Partly cloudy. Highs in the lower 50s. $$ WYZ027-181100- South Lincoln County- Including the cities of Kemmerer and Cokeville 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows in the upper 20s. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs around 40. .TUESDAY NIGHT...Mostly cloudy. A chance of rain showers with a slight chance of snow showers after midnight. Lows in the upper 20s. Chance of precipitation 30 percent. .WEDNESDAY...Mostly cloudy with a chance of snow showers in the morning, then partly cloudy in the afternoon. Highs in the mid 40s. Chance of snow 30 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 20s. .THURSDAY...Partly cloudy. Highs in the mid 40s. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 20s. .FRIDAY...Partly cloudy. Highs in the mid 40s. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 20s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the lower 40s. .SATURDAY NIGHT...Mostly clear. Lows around 20. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 20s. .MONDAY...Partly cloudy. Highs in the mid 40s. $$ WYZ016-181100- Upper Wind River Basin- Including the city of Dubois 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows in the mid 30s. Northwest winds around 10 mph with gusts up to 20 mph. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 40s. Northwest winds 10 to 15 mph. .TUESDAY NIGHT...Partly cloudy. Lows around 30. Northwest winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY...Partly cloudy. A chance of rain and snow showers in the afternoon. Highs in the mid 40s. Northwest winds around 10 mph, becoming southwest in the afternoon. Chance of precipitation 30 percent. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 20s. .THURSDAY...Mostly sunny. Highs in the mid 40s. .THURSDAY NIGHT...Mostly clear. Lows in the mid 20s. .FRIDAY...Mostly sunny. Highs around 50. .FRIDAY NIGHT...Mostly clear. Lows in the mid 20s. .SATURDAY...Mostly sunny. Highs in the upper 40s. .SATURDAY NIGHT...Mostly clear and breezy. Lows in the upper 20s. .SUNDAY...Mostly sunny and breezy. Highs in the upper 40s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s. .MONDAY...Partly cloudy. A chance of snow showers with a slight chance of rain showers in the afternoon. Highs in the mid 40s. Chance of precipitation 30 percent. $$ WYZ001-181100- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Cloudy with a 30 percent chance of snow showers. Lows in the lower 30s. Southwest winds around 10 mph. .TUESDAY...Mostly cloudy. A chance of snow showers in the morning. Highs in the upper 30s. Southwest winds around 10 mph. Chance of snow 30 percent. .TUESDAY NIGHT...Mostly cloudy. A chance of snow showers after midnight. Lows in the mid 20s. Southwest winds around 10 mph. Chance of snow 30 percent. .WEDNESDAY...Mostly cloudy. A chance of snow showers in the morning, then snow showers likely with a chance of rain showers in the afternoon. Little or no snow accumulation. Highs in the upper 30s. Southwest winds around 10 mph in the afternoon. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 20s. .THURSDAY...Partly cloudy in the morning, then clearing. Highs in the lower 40s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 20s. .FRIDAY...Mostly sunny. Highs around 40. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. .SATURDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 30s. .SATURDAY NIGHT...Partly cloudy. A slight chance of. Lows in the lower 20s. .SUNDAY...Partly cloudy with a 30 percent chance of snow showers. Highs in the mid 30s. .SUNDAY NIGHT...Partly cloudy with a slight chance of snow showers in the evening, then mostly cloudy with a chance of snow showers after midnight. Lows in the lower 20s. Chance of snow 30 percent. .MONDAY...Mostly cloudy with a 40 percent chance of snow showers. Highs in the mid 30s. $$ WYZ029-181100- Flaming Gorge- 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows around 30. .TUESDAY...Mostly cloudy. Highs in the mid 40s. Southeast winds around 10 mph. .TUESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows around 30. South winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY...Partly cloudy. Highs in the upper 40s. South winds around 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows around 30. .THURSDAY...Partly cloudy. Highs in the mid 40s. .THURSDAY NIGHT...Mostly cloudy. Lows around 30. .FRIDAY...Partly cloudy. Highs in the lower 40s. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 20s. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. $$ WYZ022-181100- Casper Mountain- 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows in the lower 30s. Southwest winds 10 to 15 mph with gusts up to 30 mph. .TUESDAY...Mostly cloudy. Highs in the lower 40s. Southwest winds 10 to 15 mph with gusts up to 30 mph. .TUESDAY NIGHT...Partly cloudy and breezy. Lows in the lower 30s. Southwest winds 15 to 20 mph with gusts up to 35 mph. .WEDNESDAY...Partly cloudy. Highs in the mid 40s. Southwest winds 10 to 15 mph with gusts up to 30 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 20s. South winds around 10 mph in the evening. .THURSDAY...Mostly sunny. Highs in the mid 40s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 20s. .FRIDAY...Partly cloudy. A slight chance of rain and snow showers in the morning. Highs in the lower 40s. Chance of precipitation 20 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the lower 40s. .SATURDAY NIGHT...Mostly clear and breezy. Lows in the upper 20s. .SUNDAY...Mostly sunny and breezy. Highs in the mid 40s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the lower 40s. $$ WYZ002-181100- Absaroka Mountains- 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Near steady temperature in the lower 30s. West winds around 10 mph with gusts up to 20 mph. .TUESDAY...Mostly cloudy. Highs in the upper 30s. West winds around 10 mph. .TUESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 20s. West winds 10 to 15 mph. .WEDNESDAY...Mostly cloudy. A chance of snow showers in the afternoon. Highs in the mid 30s. West winds around 10 mph. Chance of snow 30 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 20s. West winds around 10 mph. .THURSDAY...Mostly sunny. Highs in the upper 30s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 20s. .FRIDAY...Mostly sunny. Highs in the upper 30s. .FRIDAY NIGHT...Mostly clear and breezy. Lows in the lower 20s. .SATURDAY...Partly cloudy in the morning, then clearing. Breezy with highs in the mid 30s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Breezy with lows in the mid 20s. .SUNDAY...Partly cloudy with a 20 percent chance of snow showers. Breezy with highs in the mid 30s. .SUNDAY NIGHT...Partly cloudy. A slight chance of snow showers in the evening, then a chance of snow showers after midnight. Breezy with lows in the mid 20s. Chance of snow 30 percent. .MONDAY...Partly cloudy with a 30 percent chance of snow showers. Breezy with highs in the mid 30s. $$ WYZ007-181100- Owl Creek and Bridger Mountains- 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Near steady temperature around 40. .TUESDAY...Mostly cloudy. Highs in the upper 40s. South winds 10 to 15 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 30s. Southwest winds around 10 mph. .WEDNESDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 40s. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. .THURSDAY...Mostly sunny. Highs in the mid 40s. .THURSDAY NIGHT...Mostly clear. Lows around 30. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 20s. .SATURDAY...Mostly sunny. Highs in the mid 40s. .SATURDAY NIGHT...Mostly clear. Lows around 30. .SUNDAY...Mostly sunny. Highs in the upper 40s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s. .MONDAY...Partly cloudy. Highs in the mid 40s. $$ WYZ008-181100- Bighorn Mountains West- 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Partly cloudy. Near steady temperature in the mid 30s. .TUESDAY...A slight chance of rain showers in the morning. Cloudy with a slight chance of snow showers. Highs in the lower 40s. South winds around 10 mph. Chance of precipitation 20 percent. .TUESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows around 30. South winds around 10 mph, becoming southwest after midnight. Gusts up to 25 mph. .WEDNESDAY...Partly cloudy. Highs in the lower 40s. West winds around 10 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. .THURSDAY...Mostly sunny. Highs in the lower 40s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 20s. .FRIDAY...Mostly sunny. Highs in the lower 40s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 20s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the lower 40s. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. .SUNDAY...Partly cloudy in the morning, then clearing. A slight chance of. Highs in the lower 40s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s. .MONDAY...Partly cloudy. A chance of snow showers in the afternoon. Highs in the upper 30s. Chance of snow 30 percent. $$ WYZ009-181100- Bighorn Mountains Southeast- 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Partly cloudy. Lows in the mid 30s. West winds around 10 mph with gusts up to 20 mph. .TUESDAY...Mostly cloudy. Highs in the mid 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 30s. West winds 10 to 15 mph with gusts up to 30 mph. .WEDNESDAY...Partly cloudy. Highs in the lower 40s. West winds around 10 mph, becoming east in the afternoon. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. West winds around 10 mph after midnight. .THURSDAY...Mostly sunny. Highs in the lower 40s. .THURSDAY NIGHT...Mostly clear. Lows in the upper 20s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. Temperature falling into the upper 30s in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows in the upper 20s. .SATURDAY...Mostly sunny. Highs in the lower 40s. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. Temperature falling into the upper 30s in the afternoon. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s. .MONDAY...Partly cloudy. A slight chance of. Highs in the lower 40s. $$ WYZ012-181100- Teton and Gros Ventre Mountains- 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Cloudy with a 30 percent chance of snow showers. Lows in the upper 20s. .TUESDAY...Mostly cloudy. A chance of snow showers in the afternoon. Highs in the mid 30s. Chance of snow 30 percent. .TUESDAY NIGHT...Mostly cloudy. A chance of snow showers after midnight. Lows in the mid 20s. Chance of snow 30 percent. .WEDNESDAY...Mostly cloudy. A chance of snow showers in the morning, then snow showers likely with a chance of rain showers in the afternoon. Little or no snow accumulation. Highs in the mid 30s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Partly cloudy. A chance of snow showers in the evening. Lows in the lower 20s. Chance of snow 30 percent. .THURSDAY...Mostly sunny. Highs in the upper 30s. .THURSDAY NIGHT...Mostly clear. Lows in the lower 20s. .FRIDAY...Mostly sunny. Highs in the upper 30s. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. .SATURDAY...Partly cloudy in the morning, then clearing. A 20 percent chance of snow showers. Highs in the mid 30s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. .SUNDAY...Partly cloudy. A slight chance of snow showers in the morning, then a chance of snow showers in the afternoon. Highs in the mid 30s. Chance of snow 30 percent. .SUNDAY NIGHT...Partly cloudy. A slight chance of snow showers in the evening, then a chance of snow showers after midnight. Lows in the lower 20s. Chance of snow 30 percent. .MONDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 40 percent chance of snow showers. Highs in the lower 30s. $$ WYZ014-181100- Wind River Mountains West- 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows in the mid 20s. .TUESDAY...Mostly cloudy. Highs in the lower 30s. Southwest winds around 10 mph with gusts up to 20 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the lower 20s. West winds around 10 mph. .WEDNESDAY...Mostly cloudy with a 40 percent chance of snow showers. Highs in the mid 30s. Southwest winds around 10 mph with gusts up to 20 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Cold with lows around 20. .THURSDAY...Mostly sunny. Highs in the upper 30s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the upper 30s. .FRIDAY NIGHT...Mostly clear. Cold with lows 14 to 22. .SATURDAY...Mostly sunny. Highs in the mid 30s. .SATURDAY NIGHT...Mostly clear. Cold with lows 16 to 24. .SUNDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 30s. .SUNDAY NIGHT...Partly cloudy. A slight chance of. Cold with lows around 20. .MONDAY...Partly cloudy. A chance of snow showers in the afternoon. Highs in the mid 30s. Chance of snow 30 percent. $$ WYZ015-181100- Wind River Mountains East- 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows in the upper 20s. Southwest winds around 10 mph with gusts up to 20 mph. .TUESDAY...Mostly cloudy. Highs in the mid 30s. Southwest winds around 10 mph. .TUESDAY NIGHT...Partly cloudy. Lows in the mid 20s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Highs in the mid 30s. West winds around 10 mph with gusts up to 20 mph. .WEDNESDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the lower 20s. West winds around 10 mph. .THURSDAY...Mostly sunny. Highs in the mid 30s. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the upper 30s. .FRIDAY NIGHT...Mostly clear and breezy. Lows in the lower 20s. .SATURDAY...Mostly sunny and breezy. Highs in the mid 30s. .SATURDAY NIGHT...Mostly clear and breezy. Lows in the lower 20s. .SUNDAY...Mostly sunny and breezy. Highs in the mid 30s. .SUNDAY NIGHT...Partly cloudy and breezy. Lows in the lower 20s. .MONDAY...Partly cloudy. A chance of snow showers in the afternoon. Breezy with highs in the mid 30s. Chance of snow 30 percent. $$ WYZ019-181100- Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows in the lower 30s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. Breezy with highs in the mid 40s. Southwest winds 15 to 20 mph with gusts up to 30 mph. .TUESDAY NIGHT...Partly cloudy. Lows around 30. Southwest winds 10 to 15 mph with gusts up to 30 mph. .WEDNESDAY...Partly cloudy. Highs in the upper 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the upper 20s. Southwest winds around 10 mph. .THURSDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 20s. .FRIDAY...Partly cloudy. Highs in the mid 40s. .FRIDAY NIGHT...Mostly clear. Lows in the mid 20s. .SATURDAY...Mostly sunny. Highs in the mid 40s. .SATURDAY NIGHT...Mostly clear. Lows in the mid 20s. .SUNDAY...Mostly sunny. Highs in the mid 40s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. $$ WYZ024-181100- Salt River and Wyoming Ranges- 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows in the mid 20s. .TUESDAY...Mostly cloudy. Highs in the upper 30s. .TUESDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with snow showers likely after midnight. Little or no snow accumulation. Lows in the mid 20s. Chance of snow 60 percent. .WEDNESDAY...Mostly cloudy with snow showers likely. A chance of rain showers in the afternoon. Little or no snow accumulation. Highs in the upper 30s. Chance of precipitation 60 percent. .WEDNESDAY NIGHT...Partly cloudy. Lows in the lower 20s. .THURSDAY...Partly cloudy in the morning, then clearing. Highs around 40. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 20s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the upper 30s. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the upper 30s. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. .SUNDAY...Partly cloudy. A slight chance of. Highs in the upper 30s. .SUNDAY NIGHT...Partly cloudy. A slight chance of. Lows in the lower 20s. .MONDAY...Partly cloudy with a 30 percent chance of snow showers. Highs in the upper 30s. $$ WYZ030-181100- East Sweetwater County- Including the city of Wamsutter 1201 AM MST Tue Nov 18 2025 .REST OF TONIGHT...Mostly cloudy. Lows around 30. Southwest winds around 10 mph with gusts up to 20 mph. .TUESDAY...Mostly cloudy. Highs in the mid 40s. South winds 10 to 15 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the upper 20s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .WEDNESDAY...Partly cloudy. Highs in the upper 40s. Southwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Partly cloudy. Lows in the mid 20s. .THURSDAY...Partly cloudy. Highs in the mid 40s. .THURSDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 20s. .FRIDAY...Partly cloudy. A slight chance of rain and snow showers in the morning. Highs in the lower 40s. Chance of precipitation 20 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 20s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the lower 40s. .SATURDAY NIGHT...Mostly clear. Lows in the mid 20s. .SUNDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 20s. .MONDAY...Partly cloudy in the morning, then clearing. Highs in the lower 40s. $$