Zone Forecast Product
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
634 FPUS55 KRIW 201649 ZFPRIW Zone Forecast Product for Western and Central Wyoming National Weather Service Riverton WY 947 AM MST Thu Nov 20 2025 WYZ020-202300- Natrona County Lower Elevations- Including the city of Casper 947 AM MST Thu Nov 20 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM MST THIS MORNING... .TODAY...Partly cloudy this morning, then clearing. Patchy fog this morning. Highs in the lower 50s. Southwest winds around 10 mph, becoming north this afternoon. .TONIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 30s. Northeast winds around 10 mph in the evening. .FRIDAY...Mostly cloudy in the morning, then clearing. Highs in the lower 50s. Southwest winds around 10 mph. .FRIDAY NIGHT...Mostly clear. Lows around 30. Southwest winds around 10 mph with gusts up to 20 mph. .SATURDAY...Mostly sunny. Highs in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. .SUNDAY...Mostly sunny. Highs in the lower 50s. .SUNDAY NIGHT...Mostly clear. Lows in the upper 20s. .MONDAY...Mostly sunny. Highs in the lower 50s. .MONDAY 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 lower 20s. Chance of precipitation 30 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Cooler with highs in the lower 30s. .TUESDAY NIGHT...Partly cloudy with a 30 percent chance of snow showers. Cold with lows around 10 above. .WEDNESDAY...Partly cloudy. Highs in the lower 30s. $$ WYZ017-202300- Wind River Basin- Including the cities of Riverton and Shoshoni 947 AM MST Thu Nov 20 2025 .TODAY...Patchy fog this morning. Mostly sunny. Highs in the upper 40s. .TONIGHT...Partly cloudy. Lows in the lower 30s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the lower 50s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 20s. Southwest winds around 10 mph. .SATURDAY...Mostly sunny. Highs around 50. Southwest winds around 10 mph in the morning. .SATURDAY NIGHT...Mostly clear. Lows in the mid 20s. .SUNDAY...Mostly sunny. Highs in the upper 40s. .SUNDAY NIGHT...Mostly clear. Lows in the upper 20s. .MONDAY...Mostly sunny. Highs in the lower 50s. .MONDAY NIGHT...Partly cloudy with a slight chance of rain showers. A chance of snow showers after midnight. Lows in the lower 20s. Chance of precipitation 30 percent. .TUESDAY...Partly cloudy. A chance of snow showers in the morning. Highs in the mid 30s. Chance of snow 30 percent. .TUESDAY NIGHT...Partly cloudy. Cold with lows 10 to 15. .WEDNESDAY...Partly cloudy. Highs around 30. $$ WYZ018-202300- Lander Foothills- Including the city of Lander 947 AM MST Thu Nov 20 2025 .TODAY...Mostly sunny this morning, then becoming partly cloudy. Highs in the upper 40s. .TONIGHT...Mostly cloudy. Lows in the lower 30s. .FRIDAY...Partly cloudy in the morning, then clearing. Highs around 50. .FRIDAY NIGHT...Mostly clear. Lows around 30. Southwest winds around 10 mph. .SATURDAY...Mostly sunny. Highs in the upper 40s. Southwest winds around 10 mph in the morning. .SATURDAY NIGHT...Mostly clear. Lows in the mid 20s. .SUNDAY...Mostly sunny. Highs in the upper 40s. .SUNDAY NIGHT...Mostly clear. Lows around 30. .MONDAY...Mostly sunny. Highs in the lower 50s. .MONDAY NIGHT...Partly cloudy. A slight chance of snow showers after midnight. Lows in the lower 20s. Chance of snow 20 percent. .TUESDAY...Partly cloudy with a 20 percent chance of snow showers. Cooler with highs in the mid 30s. .TUESDAY NIGHT...Partly cloudy. A slight chance of snow showers in the evening. Cold with lows 10 to 15. Chance of snow 20 percent. .WEDNESDAY...Partly cloudy. Highs in the lower 30s. $$ WYZ028-202300- Rock Springs and Green River- Including the cities of Rock Springs and Green River 947 AM MST Thu Nov 20 2025 .TODAY...Partly cloudy this morning, then becoming mostly cloudy. Patchy fog this morning. Highs in the mid 40s. .TONIGHT...Cloudy. Lows in the upper 20s. .FRIDAY...Patchy fog in the morning. Mostly cloudy. Highs in the upper 40s. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 20s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. .SATURDAY NIGHT...Mostly clear. Lows around 20. .SUNDAY...Mostly sunny. Highs in the mid 40s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 20s. .MONDAY...Mostly sunny. Highs in the upper 40s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows around 20. .TUESDAY...Partly cloudy. Highs in the mid 30s. .TUESDAY NIGHT...Partly cloudy. Cold with lows 10 to 15. .WEDNESDAY...Partly cloudy. Highs in the mid 30s. $$ WYZ013-202300- Jackson Hole- Including the city of Jackson 947 AM MST Thu Nov 20 2025 .TODAY...Partly cloudy this morning, then clearing. Patchy fog this morning. Highs in the mid 40s. .TONIGHT...Mostly clear. Areas of fog after midnight. Lows in the lower 20s. .FRIDAY...Areas of fog in the morning. Mostly sunny. Highs in the lower 40s. .FRIDAY NIGHT...Partly cloudy. 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...Mostly sunny. Highs in the mid 40s. .SUNDAY NIGHT...Mostly clear. Lows around 20. .MONDAY...Partly cloudy. A slight chance of snow showers in the morning, then a chance of snow showers in the afternoon. Highs in the lower 40s. Chance of snow 30 percent. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A 40 percent chance of snow showers. Cold with lows around 15. .TUESDAY...Partly cloudy with a 40 percent chance of snow showers. Highs around 30. .TUESDAY NIGHT...Partly cloudy. A chance of snow showers, mainly in the evening. Cold with lows 5 to 10 above. Chance of snow 30 percent. .WEDNESDAY...Partly cloudy. A chance of snow showers in the afternoon. Highs around 30. Chance of snow 30 percent. $$ WYZ003-202300- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 947 AM MST Thu Nov 20 2025 .TODAY...Mostly sunny. Highs in the upper 40s. East winds around 10 mph this afternoon. .TONIGHT...Mostly clear. Lows in the lower 30s. .FRIDAY...Mostly sunny. Highs in the lower 50s. Southwest winds around 10 mph, becoming southeast in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows around 30. Southwest winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY...Partly cloudy in the morning, then clearing. Highs around 50. Southwest winds 10 to 15 mph with gusts up to 25 mph, becoming south in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows in the lower 30s. .SUNDAY...Mostly sunny. Highs in the lower 50s. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 30s. .MONDAY...Partly cloudy. Highs in the lower 50s. .MONDAY NIGHT...A chance of rain showers in the evening. Partly cloudy with a chance of snow showers. Lows in the lower 20s. Chance of precipitation 30 percent. .TUESDAY...Partly cloudy. A slight chance of snow showers in the morning, then a chance of snow showers in the afternoon. Cooler with highs in the lower 30s. Chance of snow 30 percent. .TUESDAY NIGHT...Partly cloudy. Cold with lows around 15. .WEDNESDAY...Partly cloudy. Highs around 30. $$ WYZ004-202300- North Bighorn Basin- Including the cities of Basin, Greybull, Lovell, Powell, and Shell 947 AM MST Thu Nov 20 2025 .TODAY...Sunny. Highs in the lower 50s. .TONIGHT...Mostly clear. Lows around 30. .FRIDAY...Mostly sunny. Highs in the lower 50s. Southeast winds around 10 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows in the upper 20s. South winds around 10 mph after midnight. .SATURDAY...Partly cloudy in the morning, then clearing. Highs around 50. South winds around 10 mph. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. .SUNDAY...Mostly sunny. Highs in the lower 50s. .SUNDAY NIGHT...Mostly clear. Lows in the upper 20s. .MONDAY...Partly cloudy. Highs in the lower 50s. .MONDAY NIGHT...A chance of rain showers in the evening. Partly cloudy with a chance of snow showers. Lows in the lower 20s. Chance of precipitation 30 percent. .TUESDAY...Partly cloudy. A chance of snow showers in the morning. Highs in the mid 30s. Chance of snow 30 percent. .TUESDAY NIGHT...Partly cloudy. Cold with lows around 15. .WEDNESDAY...Partly cloudy. Highs in the lower 30s. $$ WYZ006-202300- Southeast Bighorn Basin- Including the cities of Ten Sleep and Worland 947 AM MST Thu Nov 20 2025 .TODAY...Sunny. Highs around 50. .TONIGHT...Mostly clear. Lows in the mid 30s. .FRIDAY...Mostly sunny. Highs in the lower 50s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 20s. .SATURDAY...Mostly sunny. Highs around 50. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. .SUNDAY...Mostly sunny. Highs in the lower 50s. .SUNDAY NIGHT...Mostly clear. Lows in the upper 20s. .MONDAY...Partly cloudy. Highs in the lower 50s. .MONDAY NIGHT...Partly cloudy with a chance of snow showers. A chance of rain showers, mainly in the evening. Lows in the lower 20s. Chance of precipitation 30 percent. .TUESDAY...Partly cloudy. A chance of snow showers, mainly in the morning. Highs in the mid 30s. Chance of snow 30 percent. .TUESDAY NIGHT...Partly cloudy. A chance of snow showers in the evening. Cold with lows around 15. Chance of snow 30 percent. .WEDNESDAY...Partly cloudy. Highs in the lower 30s. $$ WYZ005-202300- Southwest Bighorn Basin- Including the city of Thermopolis 947 AM MST Thu Nov 20 2025 .TODAY...Sunny. Highs in the upper 40s. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 30s. .FRIDAY...Mostly sunny. Highs in the lower 50s. .FRIDAY NIGHT...Mostly clear. Lows in the upper 20s. .SATURDAY...Mostly sunny. Highs around 50. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. .SUNDAY...Mostly sunny. Highs around 50. .SUNDAY NIGHT...Mostly clear. Lows in the upper 20s. .MONDAY...Partly cloudy. Highs in the lower 50s. .MONDAY NIGHT...Partly cloudy with a slight chance of rain showers. A slight chance of snow showers in the evening, then a chance of snow showers after midnight. Lows in the lower 20s. Chance of precipitation 30 percent. .TUESDAY...Partly cloudy. A chance of snow showers, mainly in the morning. Cooler with highs in the mid 30s. Chance of snow 30 percent. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of snow showers. Cold with lows 10 to 15. .WEDNESDAY...Partly cloudy. Highs around 30. $$ WYZ023-202300- Star Valley- Including the cities of Afton, Alpine, Star Valley Ranch, and Thayne 947 AM MST Thu Nov 20 2025 .TODAY...Partly cloudy. Patchy fog this morning. Scattered rain showers this afternoon. Highs in the mid 40s. Chance of rain 30 percent. .TONIGHT...Partly cloudy. Areas of fog after midnight. Lows in the mid 20s. .FRIDAY...Partly cloudy in the morning, then clearing. Areas of fog in the morning. Highs in the mid 40s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. .SATURDAY NIGHT...Mostly clear. Cold with lows around 20. .SUNDAY...Mostly sunny. Highs in the upper 40s. .SUNDAY NIGHT...Mostly clear. Lows around 20. .MONDAY...Partly cloudy. A slight chance of rain and snow showers in the afternoon. Highs in the mid 40s. Chance of precipitation 20 percent. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of rain showers in the evening. A chance of snow showers. Cold with lows around 20. Chance of precipitation 30 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 30 percent chance of snow showers. Highs in the lower 30s. .TUESDAY NIGHT...Partly cloudy. A slight chance of snow showers in the evening. Cold with lows 10 to 15. Chance of snow 20 percent. .WEDNESDAY...Partly cloudy. A slight chance of snow showers in the afternoon. Highs in the mid 30s. Chance of snow 20 percent. $$ WYZ025-202300- Upper Green River Basin Foothills- Including the city of Pinedale 947 AM MST Thu Nov 20 2025 .TODAY...Patchy fog this morning. Partly cloudy. Highs in the lower 40s. .TONIGHT...Partly cloudy. Lows in the mid 20s. North winds around 10 mph after midnight. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. Northwest winds around 10 mph. .FRIDAY NIGHT...Mostly clear. Cold with lows around 20. .SATURDAY...Mostly sunny. Highs in the mid 40s. .SATURDAY NIGHT...Mostly clear. Cold with lows around 20. .SUNDAY...Mostly sunny. Highs in the upper 40s. .SUNDAY NIGHT...Mostly clear. Cold with lows around 20. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the lower 40s. .MONDAY NIGHT...Partly cloudy with a 30 percent chance of snow showers. Cold with lows 10 to 15. .TUESDAY...Partly cloudy with a 30 percent chance of snow showers. Highs around 30. .TUESDAY NIGHT...Partly cloudy. Cold with lows 5 to 10 above. .WEDNESDAY...Partly cloudy. A slight chance of. Highs around 30. $$ WYZ026-202300- Upper Green River Basin- Including the cities of La Barge, Big Piney, and Farson 947 AM MST Thu Nov 20 2025 .TODAY...Patchy fog this morning. Partly cloudy. Highs in the mid 40s. .TONIGHT...Mostly cloudy. Lows in the mid 20s. Northwest winds around 10 mph after midnight. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 40s. West winds around 10 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows around 20. .SATURDAY...Mostly sunny. Highs in the mid 40s. Northwest winds around 10 mph, becoming west with gusts up to 20 mph in the afternoon. .SATURDAY NIGHT...Mostly clear. Cold with lows around 20. .SUNDAY...Mostly sunny. Highs in the mid 40s. .SUNDAY NIGHT...Mostly clear. Cold with lows around 20. .MONDAY...Mostly sunny. Highs in the mid 40s. .MONDAY NIGHT...Partly cloudy. Cold with lows 15 to 20. .TUESDAY...Partly cloudy. Highs in the lower 30s. .TUESDAY NIGHT...Partly cloudy. Cold with lows 5 to 10 above. .WEDNESDAY...Partly cloudy. Highs in the lower 30s. $$ WYZ010-202300- Northeast Johnson County- Including the city of Buffalo 947 AM MST Thu Nov 20 2025 .TODAY...Partly cloudy this morning, then clearing. Patchy fog this morning. Highs in the upper 40s. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 30s. .FRIDAY...Partly cloudy in the morning, then clearing. 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...Mostly sunny. Highs in the mid 50s. .SUNDAY NIGHT...Mostly clear. Lows around 30. .MONDAY...Partly cloudy. Highs in the mid 50s. .MONDAY NIGHT...A chance of rain showers in the evening. Partly cloudy with a chance of snow showers. Lows in the lower 20s. Chance of precipitation 30 percent. .TUESDAY...Partly cloudy. A slight chance of snow showers in the morning. Breezy and much cooler with highs in the lower 30s. Chance of snow 20 percent. .TUESDAY NIGHT...Partly cloudy. Cold with lows 10 to 15. .WEDNESDAY...Partly cloudy. Highs around 30. $$ WYZ011-202300- Southeast Johnson County- Including the city of Kaycee 947 AM MST Thu Nov 20 2025 .TODAY...Patchy fog this morning. Mostly sunny. Highs around 50. North winds around 10 mph this afternoon. .TONIGHT...Partly cloudy. Areas of fog after midnight. Lows around 30. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the mid 50s. South winds around 10 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows around 30. Southwest winds around 10 mph. .SATURDAY...Mostly sunny. Highs in the mid 50s. Southwest winds around 10 mph. .SATURDAY NIGHT...Mostly clear. Lows around 30. .SUNDAY...Mostly sunny. Highs in the mid 50s. .SUNDAY NIGHT...Mostly clear. Lows around 30. .MONDAY...Partly cloudy. Highs in the upper 50s. .MONDAY NIGHT...Partly cloudy. A slight chance of rain and snow showers in the evening, then a chance of snow showers after midnight. Lows in the lower 20s. Chance of precipitation 30 percent. .TUESDAY...Mostly cloudy with a chance of snow showers in the morning, then partly cloudy in the afternoon. Much cooler with highs in the mid 30s. Chance of snow 30 percent. .TUESDAY NIGHT...Partly cloudy. Cold with lows around 10 above. .WEDNESDAY...Partly cloudy. Highs in the lower 30s. $$ WYZ027-202300- South Lincoln County- Including the cities of Kemmerer and Cokeville 947 AM MST Thu Nov 20 2025 .TODAY...Mostly cloudy. Patchy fog this morning. Highs in the lower 40s. Northeast winds around 10 mph. .TONIGHT...Cloudy. Areas of fog after midnight. Lows around 30. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Areas of fog in the morning. Highs in the mid 40s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s. West winds around 10 mph. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the lower 40s. .SATURDAY NIGHT...Mostly clear. Cold with lows around 20. .SUNDAY...Mostly sunny. Highs in the mid 40s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 20s. .MONDAY...Mostly sunny. Highs in the mid 40s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Cold with lows around 20. .TUESDAY...Partly cloudy. Highs in the mid 30s. .TUESDAY NIGHT...Partly cloudy. Cold with lows 10 to 15. .WEDNESDAY...Partly cloudy. Highs in the mid 30s. $$ WYZ016-202300- Upper Wind River Basin- Including the city of Dubois 947 AM MST Thu Nov 20 2025 .TODAY...Mostly sunny. Highs in the mid 40s. .TONIGHT...Partly cloudy. Lows around 30. Northwest winds around 10 mph. .FRIDAY...Mostly sunny. Highs around 50. Northwest winds around 10 mph, becoming west with gusts up to 20 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows in the upper 20s. West winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY...Mostly sunny. Highs around 50. West winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY NIGHT...Mostly clear. Lows in the mid 20s. .SUNDAY...Mostly sunny. Highs around 50. .SUNDAY NIGHT...Mostly clear. Lows around 30. .MONDAY...Mostly sunny. A slight chance of. Breezy with highs in the upper 40s. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. A slight chance of rain showers in the evening. A chance of snow showers. Breezy, cold with lows around 20. Chance of precipitation 40 percent. .TUESDAY...Partly cloudy with a 30 percent chance of snow showers. Highs around 30. .TUESDAY NIGHT...Partly cloudy. A chance of snow showers in the evening. Cold with lows around 10 above. Chance of snow 30 percent. .WEDNESDAY...Partly cloudy. Highs around 30. $$ WYZ001-202300- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 947 AM MST Thu Nov 20 2025 .TODAY...Partly cloudy this morning, then clearing. Patchy fog this morning. Highs in the upper 30s. .TONIGHT...Mostly clear. Areas of fog after midnight. Lows in the lower 20s. .FRIDAY...Areas of fog in the morning. Mostly sunny. Highs around 40. Southwest winds around 10 mph with gusts up to 20 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 20s. Southwest winds around 10 mph. .SATURDAY...Partly cloudy. Highs in the upper 30s. Southwest winds around 10 mph. .SATURDAY NIGHT...Mostly clear. Cold with lows around 20. .SUNDAY...Mostly sunny. Highs in the lower 40s. .SUNDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. .MONDAY...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. .MONDAY NIGHT...Partly cloudy with a 30 percent chance of snow showers. Cold with lows 10 to 15. .TUESDAY...Partly cloudy with a 40 percent chance of snow showers. Highs in the lower 20s. .TUESDAY NIGHT...Partly cloudy. A chance of snow showers in the evening. Cold with lows 5 to 10 above. Chance of snow 30 percent. .WEDNESDAY...Partly cloudy. A slight chance of snow showers in the morning, then a chance of snow showers in the afternoon. Highs in the lower 20s. Chance of snow 30 percent. $$ WYZ029-202300- Flaming Gorge- 947 AM MST Thu Nov 20 2025 .TODAY...Partly cloudy this morning, then becoming mostly cloudy. Highs in the upper 40s. .TONIGHT...Cloudy. Isolated rain and snow showers after midnight. Lows around 30. Chance of precipitation 20 percent. .FRIDAY...Cloudy. Scattered rain and snow showers in the morning. Patchy fog in the morning. Highs in the mid 40s. Chance of precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy. Lows around 30. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. Southwest winds around 10 mph. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 20s. .SUNDAY...Mostly sunny. Highs in the lower 40s. .SUNDAY NIGHT...Mostly clear. Lows in the upper 20s. .MONDAY...Mostly sunny. Highs in the upper 40s. .MONDAY NIGHT...Partly cloudy. Lows in the mid 20s. .TUESDAY...Partly cloudy. Highs in the mid 30s. .TUESDAY NIGHT...Partly cloudy. Cold with lows 15 to 20. .WEDNESDAY...Partly cloudy. Highs in the mid 30s. $$ WYZ022-202300- Casper Mountain- 947 AM MST Thu Nov 20 2025 .TODAY...Mostly sunny this morning, then becoming partly cloudy. Patchy fog this morning. Highs in the upper 40s. South winds around 10 mph, becoming northeast with gusts up to 20 mph this afternoon. .TONIGHT...Partly cloudy in the evening, then becoming cloudy. Lows around 30. East winds around 10 mph in the evening. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Areas of fog in the morning. Highs in the mid 40s. Southwest winds around 10 mph with gusts up to 20 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 30. Southwest winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY...Mostly sunny. Highs in the mid 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. .SUNDAY...Mostly sunny. Highs in the mid 40s. .SUNDAY NIGHT...Mostly clear. Lows in the upper 20s. .MONDAY...Mostly sunny. Highs in the mid 40s. .MONDAY NIGHT...Partly cloudy. A slight chance of snow and rain showers in the evening, then a chance of snow showers after midnight. Cold with lows around 20. Chance of precipitation 30 percent. .TUESDAY...Mostly cloudy in the morning, then becoming partly cloudy. A 40 percent chance of snow showers. Highs in the upper 20s. .TUESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. A 30 percent chance of snow showers. Cold with lows 10 to 15. .WEDNESDAY...Partly cloudy. A slight chance of snow showers in the morning. Highs in the mid 20s. Chance of snow 20 percent. $$ WYZ002-202300- Absaroka Mountains- 947 AM MST Thu Nov 20 2025 .TODAY...Mostly sunny. Highs in the upper 30s. Southwest winds around 10 mph this morning. .TONIGHT...Mostly clear. Lows in the mid 20s. West winds around 10 mph after midnight. .FRIDAY...Mostly sunny. Highs in the lower 40s. Temperature falling into the mid 30s in the afternoon. West winds 10 to 15 mph with gusts up to 25 mph. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. West winds 10 to 15 mph with gusts up to 30 mph. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the upper 30s. West winds 10 to 15 mph. Gusts up to 30 mph in the morning. .SATURDAY NIGHT...Mostly clear. Lows in the mid 20s. .SUNDAY...Mostly sunny. Highs in the lower 40s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 20s. .MONDAY...Partly cloudy in the morning, then mostly sunny with a chance of snow showers in the afternoon. Breezy with highs in the mid 30s. Chance of snow 30 percent. .MONDAY NIGHT...Partly cloudy with a 50 percent chance of snow showers. Little or no snow accumulation. Breezy, cold with lows 10 to 15. .TUESDAY...Partly cloudy with a 40 percent chance of snow showers. Cold with highs around 20. .TUESDAY NIGHT...Partly cloudy. A chance of snow showers in the evening. Cold with lows 5 to 10 above. Chance of snow 30 percent. .WEDNESDAY...Partly cloudy. A slight chance of snow showers in the morning, then a chance of snow showers in the afternoon. Cold with highs around 20. Chance of snow 30 percent. $$ WYZ007-202300- Owl Creek and Bridger Mountains- 947 AM MST Thu Nov 20 2025 .TODAY...Mostly sunny. Highs in the mid 40s. Southeast winds around 10 mph this morning. .TONIGHT...Partly cloudy. Lows in the lower 30s. .FRIDAY...Mostly sunny. Highs in the upper 40s. South winds around 10 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows around 30. Southwest winds around 10 mph. .SATURDAY...Mostly sunny. Highs in the mid 40s. Southwest winds around 10 mph in the morning. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. .SUNDAY...Mostly sunny. Highs in the mid 40s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 30s. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 40s. .MONDAY 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 lower 20s. Chance of precipitation 30 percent. .TUESDAY...Partly cloudy. A chance of snow showers, mainly in the morning. Cooler with highs in the upper 20s. Chance of snow 30 percent. .TUESDAY NIGHT...Partly cloudy. A chance of snow showers in the evening. Cold with lows 10 to 15. Chance of snow 30 percent. .WEDNESDAY...Partly cloudy. Highs in the mid 20s. $$ WYZ008-202300- Bighorn Mountains West- 947 AM MST Thu Nov 20 2025 .TODAY...Mostly sunny. Highs in the lower 40s. South winds around 10 mph this morning. .TONIGHT...Mostly clear. Lows around 30. .FRIDAY...Mostly sunny. Highs in the lower 40s. South winds around 10 mph, becoming southwest with gusts up to 20 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows around 30. Southwest winds around 10 mph. .SATURDAY...Mostly sunny. Highs in the lower 40s. Southwest winds around 10 mph. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. .SUNDAY...Mostly sunny. Highs in the mid 40s. .SUNDAY NIGHT...Mostly clear. Lows in the upper 20s. .MONDAY...Partly cloudy. Highs in the mid 40s. .MONDAY NIGHT...A slight chance of rain showers in the evening. Partly cloudy with a chance of snow showers. Cold with lows 11 to 23. Chance of precipitation 40 percent. .TUESDAY...Partly cloudy with a 40 percent chance of snow showers. Cooler with highs in the lower 20s. .TUESDAY NIGHT...Partly cloudy with a 30 percent chance of snow showers. Cold with lows 5 to 15 above. .WEDNESDAY...Partly cloudy with a 20 percent chance of snow showers. Highs in the lower 20s. $$ WYZ009-202300- Bighorn Mountains Southeast- 947 AM MST Thu Nov 20 2025 .TODAY...Mostly sunny. Highs in the mid 40s. Southwest winds around 10 mph this morning. .TONIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 30s. Northwest winds around 10 mph. .FRIDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. West winds around 10 mph. .FRIDAY NIGHT...Mostly clear. Lows in the upper 20s. West winds 10 to 15 mph. .SATURDAY...Mostly sunny. Highs in the mid 40s. West winds around 10 mph. .SATURDAY NIGHT...Mostly clear. Lows in the upper 20s. .SUNDAY...Mostly sunny. Highs in the mid 40s. Temperature falling into the upper 30s in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows around 30. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 40s. Temperature falling into the upper 30s in the afternoon. .MONDAY NIGHT...A slight chance of rain showers in the evening. Partly cloudy with a chance of snow showers. Cold with lows 12 to 22. Chance of precipitation 40 percent. .TUESDAY...Partly cloudy with a 40 percent chance of snow showers. Much cooler with highs in the lower 20s. .TUESDAY NIGHT...Partly cloudy with a 30 percent chance of snow showers. Cold with lows 5 to 15 above. .WEDNESDAY...Partly cloudy. Highs in the lower 20s. $$ WYZ012-202300- Teton and Gros Ventre Mountains- 947 AM MST Thu Nov 20 2025 .TODAY...Patchy fog this morning. Partly cloudy. Highs in the upper 30s. .TONIGHT...Mostly clear. Lows in the lower 20s. .FRIDAY...Mostly sunny. Highs in the upper 30s. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the mid 30s. .SATURDAY NIGHT...Mostly clear. Cold with lows around 20. .SUNDAY...Mostly sunny. Highs in the upper 30s. .SUNDAY NIGHT...Mostly clear. Cold with lows around 20. .MONDAY...Partly cloudy. A slight chance of snow showers in the morning, then a chance of snow showers in the afternoon. Highs in the lower 30s. Chance of snow 30 percent. .MONDAY NIGHT...Partly cloudy with snow showers likely in the evening, then mostly cloudy with a chance of snow showers after midnight. Light snow accumulation possible. Cold with lows 10 to 15. Chance of snow 60 percent. .TUESDAY...Partly cloudy. A chance of snow showers in the morning, then snow showers likely in the afternoon. New little or no snow accumulation. Highs in the lower 20s. Chance of snow 60 percent. .TUESDAY NIGHT...Partly cloudy. A chance of snow showers, mainly in the evening. Cold with lows 5 to 10 above. Chance of snow 30 percent. .WEDNESDAY...Partly cloudy. A slight chance of snow showers in the morning, then a chance of snow showers in the afternoon. Highs in the lower 20s. Chance of snow 30 percent. $$ WYZ014-202300- Wind River Mountains West- 947 AM MST Thu Nov 20 2025 .TODAY...Partly cloudy. Highs in the upper 30s. Southeast winds around 10 mph this afternoon. .TONIGHT...Partly cloudy. Lows in the lower 20s. Northeast winds around 10 mph. .FRIDAY...Partly cloudy. Highs in the upper 30s. Northeast winds around 10 mph, becoming west with gusts up to 20 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Cold with lows around 20. Northwest winds around 10 mph with gusts up to 20 mph. .SATURDAY...Mostly sunny. Highs in the upper 30s. West winds around 10 mph with gusts up to 25 mph. .SATURDAY NIGHT...Mostly clear. Cold with lows around 20. .SUNDAY...Mostly sunny. Highs around 40. Temperature falling into the lower 30s in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the lower 20s. .MONDAY...Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Highs in the mid 30s. .MONDAY NIGHT...Partly cloudy with a 30 percent chance of snow showers. Breezy, cold with lows 10 to 15. .TUESDAY...Partly cloudy with a 30 percent chance of snow showers. Highs in the lower 20s. .TUESDAY NIGHT...Partly cloudy. A chance of snow showers in the evening. Cold with lows zero to 10 above zero. Chance of snow 30 percent. .WEDNESDAY...Partly cloudy. A chance of snow showers in the afternoon. Highs in the lower 20s. Chance of snow 30 percent. $$ WYZ015-202300- Wind River Mountains East- 947 AM MST Thu Nov 20 2025 .TODAY...Mostly sunny this morning, then becoming partly cloudy. Highs in the upper 30s. Southwest winds around 10 mph this morning. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 20s. .FRIDAY...Partly cloudy. Highs in the upper 30s. West winds around 10 mph. .FRIDAY NIGHT...Mostly clear. Lows in the lower 20s. West winds 10 to 15 mph with gusts up to 30 mph. .SATURDAY...Mostly sunny. Highs in the upper 30s. West winds 10 to 15 mph. Gusts up to 30 mph in the morning. .SATURDAY NIGHT...Mostly clear. Lows in the lower 20s. .SUNDAY...Mostly sunny. Highs around 40. Temperature falling into the lower 30s in the afternoon. .SUNDAY NIGHT...Mostly clear. Lows in the mid 20s. .MONDAY...Mostly sunny. A slight chance of. Breezy with highs in the mid 30s. Temperature falling into the upper 20s in the afternoon. .MONDAY NIGHT...Partly cloudy with a 40 percent chance of snow showers. Breezy, cold with lows 10 to 20. .TUESDAY...Partly cloudy with a 30 percent chance of snow showers. Breezy with highs in the lower 20s. .TUESDAY NIGHT...Partly cloudy. A chance of snow showers in the evening. Cold with lows zero to 10 above zero. Chance of snow 30 percent. .WEDNESDAY...Partly cloudy. A slight chance of snow showers in the morning, then a chance of snow showers in the afternoon. Cold with highs around 20. Chance of snow 30 percent. $$ WYZ019-202300- Green Mountains and Rattlesnake Range- Including the city of Jeffrey City 947 AM MST Thu Nov 20 2025 .TODAY...Patchy fog this morning. Partly cloudy. Highs in the upper 40s. Southeast winds around 10 mph, becoming northeast this afternoon. .TONIGHT...Mostly cloudy. Lows in the lower 30s. North winds around 10 mph. .FRIDAY...Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 40s. Northwest winds around 10 mph, becoming west with gusts up to 20 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the upper 20s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY...Mostly sunny. Highs in the mid 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .SATURDAY NIGHT...Mostly clear. Lows in the mid 20s. .SUNDAY...Mostly sunny. Highs in the mid 40s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 20s. .MONDAY...Mostly sunny. Highs in the mid 40s. .MONDAY NIGHT...Partly cloudy. A chance of snow showers after midnight. Lows in the lower 20s. Chance of snow 30 percent. .TUESDAY...Partly cloudy with a 30 percent chance of snow showers. Highs in the lower 30s. .TUESDAY NIGHT...Partly cloudy. A chance of snow showers in the evening. Cold with lows 10 to 15. Chance of snow 30 percent. .WEDNESDAY...Partly cloudy. Highs in the upper 20s. $$ WYZ024-202300- Salt River and Wyoming Ranges- 947 AM MST Thu Nov 20 2025 .TODAY...Patchy fog this morning. Partly cloudy this morning, then mostly cloudy with scattered rain and snow showers this afternoon. Highs in the upper 30s. Chance of precipitation 30 percent. .TONIGHT...Mostly cloudy. Lows in the upper 20s. .FRIDAY...Partly cloudy. Highs around 40. Northwest winds around 10 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 20s. Northwest winds around 10 mph. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the upper 30s. Northwest winds around 10 mph in the morning. .SATURDAY NIGHT...Mostly clear. Lows in the lower 20s. .SUNDAY...Mostly sunny. Highs in the lower 40s. .SUNDAY NIGHT...Mostly clear. Lows in the lower 20s. .MONDAY...Mostly sunny. A chance of snow showers in the afternoon. Highs in the upper 30s. Chance of snow 30 percent. .MONDAY NIGHT...Partly cloudy with a 30 percent chance of snow showers. Breezy, cold with lows 14 to 20. .TUESDAY...Partly cloudy with a 40 percent chance of snow showers. Highs in the mid 20s. .TUESDAY NIGHT...Partly cloudy. Cold with lows 5 to 15 above. .WEDNESDAY...Partly cloudy. Highs in the mid 20s. $$ WYZ030-202300- East Sweetwater County- Including the city of Wamsutter 947 AM MST Thu Nov 20 2025 .TODAY...Partly cloudy this morning, then becoming mostly cloudy. Patchy fog this morning. Highs in the upper 40s. Northeast winds around 10 mph this afternoon. .TONIGHT...Cloudy. Isolated rain and snow showers after midnight. Lows in the lower 30s. North winds around 10 mph. Chance of precipitation 20 percent. .FRIDAY...Mostly cloudy. Scattered snow showers with isolated rain showers in the morning. Highs in the mid 40s. North winds around 10 mph, becoming west in the afternoon. Chance of precipitation 30 percent. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 20s. Southwest winds around 10 mph. .SATURDAY...Partly cloudy in the morning, then clearing. Highs in the mid 40s. Southwest winds around 10 mph with gusts up to 20 mph. .SATURDAY NIGHT...Mostly clear. Lows in the lower 20s. .SUNDAY...Mostly sunny. Highs in the mid 40s. .SUNDAY NIGHT...Mostly clear. Lows in the mid 20s. .MONDAY...Mostly sunny and breezy. Highs in the mid 40s. .MONDAY NIGHT...Partly cloudy. Lows in the lower 20s. .TUESDAY...Partly cloudy. Highs in the lower 30s. .TUESDAY NIGHT...Partly cloudy. Cold with lows 10 to 15. .WEDNESDAY...Partly cloudy. Highs in the lower 30s. $$