


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
239 FNUS55 KRIW 291821 FWFRIW Fire Weather Planning Forecast for Western and Central Wyoming National Weather Service Riverton WY 1221 PM MDT Fri Aug 29 2025 .DISCUSSION... ...Yellowstone NP and Teton dispatch areas (includes fire weather zones 140...414...415...and 416)... Temperatures continue to be on the cool side today and tomorrow. RHs are generally in the 30 to 45 percent range today, trending 5 to 10 percent lower Saturday. Outside an isolated (15% or less) storm today, the area remains dry. Showers and storms will again be possible Saturday for eastern portions of zones 140 and 415 and across zone 416. Most rain would not be wetting, though an isolated (10%-15%) wetting rain is possible. The trend is warmer and drier for Sunday and Monday. ...Cody dispatch area (includes fire weather zones 275...276... 282...283...285...286...287...288...and 289)... Temperatures remain on the cool side today and tomorrow. Minimum RHs are generally 25 to 35 percent today, a little higher for the mountains. RHs are similar Saturday, though notably trend down 3 to 8 percent for zones 275 and 283. Showers and storms are possible this afternoon and evening. Though moisture is not as good as the previous few days, wetting rains are still possible, especially in the mountains. Rain chances occur again Saturday, with drier and warmer air moving in starting Sunday. ...Casper dispatch area (includes fire weather zones 277...278... 279...280...281...285...289...and 300)... Temperatures remain on the cool side today and tomorrow. Minimum RHs are generally 25 to 30 percent today. RHs trend lower (5 to 10 percent) west of the Divide Saturday and trend up (up to 10 percent) east of the Divide. Showers and storms are possible this afternoon and evening. Though moisture is not as good as the previous few days, wetting rains are still possible for east of the Divide locations, especially for the mountains. Rain chances occur again Saturday, with drier and warmer air moving in starting Sunday. ...Thunderstorms imply strong gusty and erratic winds... WYZ280-302030- Natrona County/Casper BLM- Including the cities of Casper and Midwest 1221 PM MDT Fri Aug 29 2025 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms through the day. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....72-77. 24 hr trend......1 degree cooler. Min humidity........37-43 percent. 24 hr trend......3 percent drier. 20-foot winds.......Northwest winds around 10 mph with gusts to around 25 mph. Ridge top winds.....Northwest around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph. Mixing Height.......5400-7400 ft agl. Smoke dispersal.....Good to very good. .TONIGHT... Sky/weather.........Partly cloudy. Isolated showers in the evening. Isolated thunderstorms through the night. Scattered showers after midnight. Chance of precipitation 50 percent. Chance of thunder...20 percent. Min temperature.....51-56. 24 hr trend......1 degree cooler. Max humidity........85-91 percent. 24 hr trend......6 percent drier. Humidity recovery...Excellent. 20-foot winds.......Northeast winds 10 to 15 mph with gusts to around 25 mph until 2400, then downslope/downvalley 4-7 mph until 0300, then west around 10 mph with gusts to around 15 mph. Ridge top winds.....Northeast around 15 mph until 2400, then west. Chc of wetting rain.Zero percent. Transport winds.....North around 15 mph until 2400, then northwest. Mixing Height.......2200-4200 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Poor to fair. .SATURDAY... Sky/weather.........Partly cloudy. Isolated thunderstorms in the morning. Scattered showers through the day. Scattered thunderstorms in the afternoon. Chance of precipitation 50 percent. Chance of thunder...40 percent. Max temperature.....69-74. 24 hr trend......3 degrees cooler. Min humidity........39-45 percent. 24 hr trend......6 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then northwest around 10 mph until 1500, then north. Gusts up to 20 mph. Ridge top winds.....West around 10 mph until 1200, then north. Chc of wetting rain.Zero percent until 1200, then 20 percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......1200-3200 ft agl until 1200, then 4400-6200 ft agl. Smoke dispersal.....Poor until 1200, then good. .SATURDAY NIGHT... Sky/weather.........Partly cloudy. Chance of thunder...10 percent. Min temperature.....47-52. 24 hr trend......4 degrees cooler. Max humidity........75-81 percent. 24 hr trend......6 percent drier. Humidity recovery...Excellent. 20-foot winds.......Northeast winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....Northeast around 15 mph until 2400, then west. Chc of wetting rain.Zero percent. Transport winds.....Northeast around 15 mph until 2400, then west. Mixing Height.......1600-3600 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....75-80. 24 hr trend......7 degrees warmer. Min humidity........25-31 percent. 24 hr trend......17 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northwest around 10 mph. Gusts up to 20 mph. Ridge top winds.....West around 10 mph until 1200, then northwest. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......2200-4200 ft agl until 1200, then 7400-9400 ft agl. Smoke dispersal.....Poor to fair until 1200, then good to very good. .Forecast days 3 through 7...... .SUNDAY NIGHT...Clear. Lows around 50. Winds generally less than 10 mph. .LABOR DAY...Mostly clear. Lows around 50. Highs around 80. Winds generally less than 10 mph. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows around 50. Highs in the upper 70s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the mid 70s. North winds around 10 mph. .THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the upper 40s. Highs 75 to 80. $$ WYZ283-302030- Upper Wind River Basin/Wind River Basin- Including the cities of Crowheart, Lander, Riverton, and Shoshoni 1221 PM MDT Fri Aug 29 2025 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Max temperature.....72-77. 24 hr trend......2 degrees warmer. Min humidity........30-36 percent. 24 hr trend......12 percent drier. 20-foot winds.......North winds around 10 mph and gusty. Ridge top winds.....North around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph. Mixing Height.......7600-8600 ft agl. Smoke dispersal.....Good to very good. .TONIGHT... Sky/weather.........Partly cloudy. Isolated showers in the evening. Isolated thunderstorms through the night. Scattered showers after midnight. Chance of precipitation 50 percent. Chance of thunder...20 percent. Min temperature.....49-54. 24 hr trend......Unchanged. Max humidity........75-81 percent. 24 hr trend......1 percent drier. Humidity recovery...Excellent. 20-foot winds.......Northeast winds around 10 mph until 2400, then east until 0300, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....Northeast around 15 mph until 2400, then southeast. Chc of wetting rain.Less than 5 percent. Transport winds.....Northeast around 15 mph until 2400, then west. Mixing Height.......3200-5200 ft agl until 2400, then 600-800 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .SATURDAY... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....72-77. 24 hr trend......1 degree cooler. Min humidity........32-38 percent. 24 hr trend......2 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northeast around 10 mph. Gusts up to 15 mph. Ridge top winds.....Northwest around 10 mph until 1200, then northeast. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......1600-3600 ft agl until 1200, then 5800-7800 ft agl. Smoke dispersal.....Poor until 1200, then good. .SATURDAY NIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....46-51. 24 hr trend......3 degrees cooler. Max humidity........69-75 percent. 24 hr trend......6 percent drier. Humidity recovery...Good. 20-foot winds.......Northeast winds around 10 mph and gusty until 2400, then downslope/downvalley 4-7 mph. Ridge top winds.....Northeast around 15 mph until 2400, then southwest. Chc of wetting rain.Zero percent. Transport winds.....Northeast around 15 mph until 2400, then southwest. Mixing Height.......2800-4800 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Poor to fair until 2400, then poor. .SUNDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....75-80. 24 hr trend......3 degrees warmer. Min humidity........24-30 percent. 24 hr trend......8 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then northeast around 10 mph. Gusts up to 15 mph. Ridge top winds.....West around 10 mph until 1200, then northeast. Chc of wetting rain.Zero percent. Transport winds.....West around 10 mph. Mixing Height.......1600-3600 ft agl until 1200, then 6200-8200 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .SUNDAY NIGHT...Clear. Lows around 50. Winds generally less than 10 mph. .LABOR DAY...Mostly clear. Lows in the lower 50s. Highs in the lower 80s. Winds generally less than 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 48 to 53. Highs 76 to 81. Northeast winds around 10 mph. .THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the upper 40s. Highs 76 to 81. $$ WYZ285-302030- South Bighorn Mountains- 1221 PM MDT Fri Aug 29 2025 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....66-71. 24 hr trend......2 degrees cooler. Min humidity........49-55 percent. 24 hr trend......4 percent drier. 20-foot winds.......Northwest winds around 10 mph with higher gusts. Ridge top winds.....Northwest around 15 mph. Chc of wetting rain.5 percent. Transport winds.....Northwest around 15 mph. Mixing Height.......4600-6600 ft agl. Smoke dispersal.....Good. .TONIGHT... Sky/weather.........Partly cloudy. Isolated thunderstorms until early morning. Isolated showers. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....48-53. 24 hr trend......Unchanged. Max humidity........79-85 percent. 24 hr trend......8 percent drier. Humidity recovery...Excellent. 20-foot winds.......North winds around 10 mph until 0300, then west. Gusts up to 20 mph. Ridge top winds.....North around 15 mph until 2400, then west. Chc of wetting rain.Less than 5 percent. Transport winds.....North around 15 mph until 2400, then west. Mixing Height.......1800-3800 ft agl until 2400, then 200-600 ft agl. Smoke dispersal.....Poor. .SATURDAY... Sky/weather.........Partly cloudy. Isolated thunderstorms in the morning. Scattered showers through the day. Scattered thunderstorms in the afternoon. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....65-70. 24 hr trend......Unchanged. Min humidity........44-50 percent. 24 hr trend......2 percent drier. 20-foot winds.......Northwest winds around 10 mph until 1500, then north. Gusts up to 20 mph. Ridge top winds.....Northwest around 15 mph. Chc of wetting rain.Zero percent until 1200, then 20 percent. Transport winds.....Northwest around 15 mph. Mixing Height.......1200-3200 ft agl until 1200, then 4400-6400 ft agl. Smoke dispersal.....Fair to good. .SATURDAY NIGHT... Sky/weather.........Partly cloudy. Chance of thunder...10 percent. Min temperature.....47-52. 24 hr trend......1 degree cooler. Max humidity........65-71 percent. 24 hr trend......13 percent drier. Humidity recovery...Good. 20-foot winds.......North winds around 10 mph until 2400, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....North around 15 mph until 2400, then west. Chc of wetting rain.Zero percent. Transport winds.....North around 15 mph until 2400, then west. Mixing Height.......1800-3800 ft agl until 2400, then 200-400 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....69-74. 24 hr trend......4 degrees warmer. Min humidity........27-33 percent. 24 hr trend......13 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northwest around 10 mph. Gusts up to 15 mph. Ridge top winds.....Northwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......1800-3800 ft agl until 1200, then 6200-8200 ft agl. Smoke dispersal.....Poor to fair until 1200, then good. .Forecast days 3 through 7...... .SUNDAY NIGHT...Clear. Lows in the lower 50s. Winds generally less than 10 mph. .LABOR DAY...Mostly clear. Lows in the lower 50s. Highs in the mid 70s. North winds around 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 47 to 52. Highs 68 to 73. Northwest winds around 10 mph. .THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the upper 40s. Highs 68 to 73. $$ WYZ281-302030- Johnson County/Casper BLM- Including the cities of Buffalo and Kaycee 1221 PM MDT Fri Aug 29 2025 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Scattered showers and thunderstorms. Chance of precipitation 50 percent. Chance of thunder...40 percent. Max temperature.....65-70. 24 hr trend......4 degrees cooler. Min humidity........53-59 percent. 24 hr trend......4 percent wetter. 20-foot winds.......North winds around 15 mph with gusts to around 25 mph. Ridge top winds.....North around 20 mph. Chc of wetting rain.30 percent. Transport winds.....North around 20 mph. Mixing Height.......2800-4800 ft agl. Smoke dispersal.....Fair to good. .TONIGHT... Sky/weather.........Partly cloudy. Scattered showers and thunderstorms early in the evening, then isolated showers and thunderstorms in the evening. Chance of precipitation 50 percent. Chance of thunder...30 percent. Min temperature.....51-56. 24 hr trend......3 degrees cooler. Max humidity........82-88 percent. 24 hr trend......5 percent drier. Humidity recovery...Excellent. 20-foot winds.......North winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....Northwest 10 to 15 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......800-2800 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Poor. .SATURDAY... Sky/weather.........Partly cloudy. Isolated showers early in the morning. Isolated showers and thunderstorms late in the morning, then scattered showers and thunderstorms in the afternoon. Chance of precipitation 50 percent. Chance of thunder...40 percent. Max temperature.....66-71. 24 hr trend......Unchanged. Min humidity........47-53 percent. 24 hr trend......3 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north around 10 mph. Gusts up to 20 mph. Ridge top winds.....Northwest 10 to 15 mph. Chc of wetting rain.Zero percent until 1200, then 25 percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......1200-3200 ft agl until 1200, then 4000-6000 ft agl. Smoke dispersal.....Poor to fair. .SATURDAY NIGHT... Sky/weather.........Partly cloudy. Chance of thunder...10 percent. Min temperature.....49-54. 24 hr trend......3 degrees cooler. Max humidity........74-80 percent. 24 hr trend......7 percent drier. Humidity recovery...Excellent. 20-foot winds.......North winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....Southwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....North around 10 mph until 2400, then southwest. Mixing Height.......1400-3400 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....75-80. 24 hr trend......8 degrees warmer. Min humidity........29-35 percent. 24 hr trend......18 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north around 10 mph with higher gusts. Ridge top winds.....West around 10 mph until 1200, then north. Chc of wetting rain.Zero percent. Transport winds.....West around 10 mph until 1200, then northwest. Mixing Height.......2200-4200 ft agl until 1200, then 8000-10000 ft agl. Smoke dispersal.....Poor to fair until 1200, then good to very good. .Forecast days 3 through 7...... .SUNDAY THROUGH LABOR DAY...Mostly clear. Lows in the lower 50s. Highs in the lower 80s. Northwest winds around 10 mph. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the lower 80s. North winds around 10 mph. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the lower 70s. North winds around 10 mph. .THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the upper 40s. Highs 75 to 80. $$ WYZ282-302030- South Bighorn Basin/Worland BLM- Including the cities of Ten Sleep, Thermopolis, and Worland 1221 PM MDT Fri Aug 29 2025 .THIS AFTERNOON... Sky/weather.........Mostly sunny. Isolated showers and thunderstorms. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....68-73. 24 hr trend......1 degree warmer. Min humidity........37-43 percent. 24 hr trend......8 percent drier. 20-foot winds.......North winds around 10 mph and gusty. Ridge top winds.....North around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph. Mixing Height.......7200-8200 ft agl. Smoke dispersal.....Good. .TONIGHT... Sky/weather.........Partly cloudy. Isolated thunderstorms until early morning. Isolated showers until early morning. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....48-53. 24 hr trend......1 degree warmer. Max humidity........76-82 percent. 24 hr trend......11 percent drier. Humidity recovery...Excellent. 20-foot winds.......North winds around 10 mph until 2400, then west until 0300, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....North around 15 mph until 2400, then west. Chc of wetting rain.Less than 5 percent. Transport winds.....North around 15 mph until 2400, then west. Mixing Height.......3000-5000 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Poor to fair until 2400, then poor. .SATURDAY... Sky/weather.........Partly cloudy. Isolated showers early in the morning. Isolated showers and thunderstorms in the late morning and afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....69-74. 24 hr trend......1 degree warmer. Min humidity........31-37 percent. 24 hr trend......3 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north around 10 mph. Gusts up to 15 mph. Ridge top winds.....West around 10 mph until 1200, then north. Chc of wetting rain.Less than 5 percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......1200-3200 ft agl until 1200, then 6000-8000 ft agl. Smoke dispersal.....Poor until 1200, then good. .SATURDAY NIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....47-52. 24 hr trend......4 degrees cooler. Max humidity........64-70 percent. 24 hr trend......8 percent drier. Humidity recovery...Good. 20-foot winds.......North winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....North around 15 mph until 2400, then south. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph until 2400, then southwest. Mixing Height.......3000-5000 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .SUNDAY... Sky/weather.........Sunny. Chance of thunder...0 percent. Max temperature.....73-78. 24 hr trend......4 degrees warmer. Min humidity........24-30 percent. 24 hr trend......9 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north around 10 mph. Gusts up to 15 mph. Ridge top winds.....Southwest around 10 mph until 1200, then north. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph until 1200, then northwest. Mixing Height.......2000-4000 ft agl until 1200, then 6800-8800 ft agl. Smoke dispersal.....Poor until 1200, then good. .Forecast days 3 through 7...... .SUNDAY NIGHT...Clear. Lows in the lower 50s. Winds generally less than 10 mph. .LABOR DAY...Mostly clear. Lows in the mid 50s. Highs in the mid 80s. Winds generally less than 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 49 to 54. Highs 79 to 84. Northwest winds around 10 mph. .THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the lower 50s. Highs 79 to 84. $$ WYZ275-302030- North Bighorn Basin/Worland BLM- Including the cities of Greybull, Lovell, and Powell 1221 PM MDT Fri Aug 29 2025 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....66-71. 24 hr trend......Unchanged. Min humidity........42-48 percent. 24 hr trend......1 percent drier. 20-foot winds.......North winds around 10 mph and gusty. Ridge top winds.....North around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....North around 15 mph. Mixing Height.......6800-8200 ft agl. Smoke dispersal.....Good to very good. .TONIGHT... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms in the evening. Isolated thunderstorms after midnight. Isolated showers after midnight. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....48-53. 24 hr trend......2 degrees cooler. Max humidity........73-79 percent. 24 hr trend......8 percent drier. Humidity recovery...Excellent. 20-foot winds.......Northwest winds around 10 mph and gusty. Ridge top winds.....Northwest around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....North around 15 mph. Mixing Height.......2800-4800 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .SATURDAY... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms early in the morning. Isolated showers and thunderstorms late in the morning. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....68-73. 24 hr trend......1 degree warmer. Min humidity........37-43 percent. 24 hr trend......5 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north 10 to 15 mph with higher gusts. Ridge top winds.....West around 10 mph until 1200, then north. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......1400-3400 ft agl until 1200, then 6000-8000 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .SATURDAY NIGHT... Sky/weather.........Mostly clear. Chance of thunder...0 percent. Min temperature.....47-52. 24 hr trend......3 degrees cooler. Max humidity........63-69 percent. 24 hr trend......9 percent drier. Humidity recovery...Good. 20-foot winds.......North winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....North around 15 mph until 2400, then south. Chc of wetting rain.Zero percent. Transport winds.....North around 15 mph until 2400, then southwest. Mixing Height.......3200-5200 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .SUNDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....72-77. 24 hr trend......4 degrees warmer. Min humidity........24-30 percent. 24 hr trend......8 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north around 10 mph with higher gusts. Ridge top winds.....South around 10 mph until 1200, then north. Chc of wetting rain.Zero percent. Transport winds.....South around 10 mph until 1200, then northwest. Mixing Height.......1800-3800 ft agl until 1200, then 6600-8600 ft agl. Smoke dispersal.....Poor until 1200, then good. .Forecast days 3 through 7...... .SUNDAY NIGHT...Clear. Lows in the mid 50s. Winds generally less than 10 mph. .LABOR DAY...Mostly clear. Lows in the mid 50s. Highs in the mid 80s. Winds generally less than 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 50 to 55. Highs 79 to 84. North winds around 10 mph. .THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the lower 80s. $$ WYZ276-302030- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 1221 PM MDT Fri Aug 29 2025 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms through the day. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....70-75. 24 hr trend......3 degrees warmer. Min humidity........35-41 percent. 24 hr trend......6 percent drier. 20-foot winds.......Northeast winds around 10 mph and gusty. Ridge top winds.....Northeast around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....North around 15 mph. Mixing Height.......6400-8200 ft agl. Smoke dispersal.....Good to very good. .TONIGHT... Sky/weather.........Partly cloudy. Isolated thunderstorms in the evening. Isolated showers until early morning. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....49-54. 24 hr trend......1 degree warmer. Max humidity........71-77 percent. 24 hr trend......12 percent drier. Humidity recovery...Excellent. 20-foot winds.......North winds around 10 mph until 2400, then northwest until 0300, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....North around 15 mph until 2400, then west. Chc of wetting rain.Less than 5 percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......2400-4400 ft agl until 2400, then 600-1000 ft agl. Smoke dispersal.....Poor to fair. .SATURDAY... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Chance of precipitation 40 percent. Chance of thunder...30 percent. Max temperature.....71-76. 24 hr trend......Unchanged. Min humidity........36-42 percent. 24 hr trend......1 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northeast around 10 mph. Gusts up to 15 mph. Ridge top winds.....Northwest around 10 mph until 1200, then northeast. Chc of wetting rain.Less than 5 percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......2000-4000 ft agl until 1200, then 6000-8000 ft agl. Smoke dispersal.....Poor until 1200, then good. .SATURDAY NIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....50-55. 24 hr trend......1 degree cooler. Max humidity........53-59 percent. 24 hr trend......16 percent drier. Humidity recovery...Moderate. 20-foot winds.......Northeast winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....Northwest around 10 mph until 2400, then west. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph until 2400, then southwest. Mixing Height.......2600-4600 ft agl until 2400, then 600-1000 ft agl. Smoke dispersal.....Poor to fair. .SUNDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....75-80. 24 hr trend......5 degrees warmer. Min humidity........25-31 percent. 24 hr trend......13 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then northeast around 10 mph. Gusts up to 20 mph. Ridge top winds.....West around 10 mph until 1200, then northeast. Chc of wetting rain.Zero percent. Transport winds.....West around 10 mph until 1200, then northwest. Mixing Height.......2400-4400 ft agl until 1200, then 7600-9600 ft agl. Smoke dispersal.....Poor until 1200, then good. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows in the mid 50s. Winds generally less than 10 mph. .LABOR DAY THROUGH WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 50 to 55. Highs 74 to 79. Northwest winds around 10 mph. .THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the lower 50s. Highs 75 to 80. $$ WYZ287-302030- Owl Creek Mountains- 1221 PM MDT Fri Aug 29 2025 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....68-73. 24 hr trend......3 degrees warmer. Min humidity........35-41 percent. 24 hr trend......14 percent drier. 20-foot winds.......Northeast winds around 10 mph and gusty. Ridge top winds.....Northeast around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....North around 10 mph. Mixing Height.......5800-7600 ft agl. Smoke dispersal.....Good. .TONIGHT... Sky/weather.........Partly cloudy. Scattered showers in the evening. Isolated thunderstorms through the night. Isolated showers after midnight. Chance of precipitation 30 percent. Chance of thunder...20 percent. Min temperature.....49-54. 24 hr trend......2 degrees warmer. Max humidity........68-74 percent. 24 hr trend......14 percent drier. Humidity recovery...Good. 20-foot winds.......North winds around 10 mph until 2400, then west until 0300, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....North around 15 mph until 2400, then west. Chc of wetting rain.15 percent until 2400, then 5 percent. Transport winds.....North around 15 mph until 2400, then west. Mixing Height.......2400-4400 ft agl until 2400, then 200-600 ft agl. Smoke dispersal.....Poor. .SATURDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Chance of precipitation 40 percent. Chance of thunder...30 percent. Max temperature.....67-72. 24 hr trend......Unchanged. Min humidity........35-41 percent. 24 hr trend......1 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northeast around 10 mph. Gusts up to 15 mph. Ridge top winds.....West around 10 mph until 1200, then northeast. Chc of wetting rain.Zero percent until 1200, then 10 percent. Transport winds.....North 10 to 15 mph. Mixing Height.......1400-3400 ft agl until 1200, then 5200-7200 ft agl. Smoke dispersal.....Poor until 1200, then good. .SATURDAY NIGHT... Sky/weather.........Partly cloudy then becoming clear. Chance of thunder...0 percent. Min temperature.....48-53. 24 hr trend......Unchanged. Max humidity........60-66 percent. 24 hr trend......10 percent drier. Humidity recovery...Good. 20-foot winds.......Northeast winds around 10 mph until 2100, then west until 2400, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....Northwest around 15 mph until 2400, then west. Chc of wetting rain.Zero percent. Transport winds.....North around 15 mph until 2400, then west. Mixing Height.......2200-4200 ft agl until 2400, then 200-600 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....69-74. 24 hr trend......3 degrees warmer. Min humidity........26-32 percent. 24 hr trend......10 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then east around 10 mph. Gusts up to 15 mph. Ridge top winds.....Southwest around 10 mph until 1200, then east. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 10 mph until 1200, then northwest. Mixing Height.......1600-3600 ft agl until 1200, then 6600-8600 ft agl. Smoke dispersal.....Poor until 1200, then good. .Forecast days 3 through 7...... .SUNDAY NIGHT...Clear. Lows in the lower 50s. Winds generally less than 10 mph. .LABOR DAY THROUGH TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 51 to 56. Highs in the upper 70s. Northwest winds around 10 mph. .WEDNESDAY...Mostly clear. Chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the lower 70s. North winds around 10 mph. .THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the mid 70s. $$ WYZ286-302030- Absaroka Mountains/North Shoshone NF- Including the city of Pahaska 1221 PM MDT Fri Aug 29 2025 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms through the day. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....62-67. 24 hr trend......6 degrees warmer. Min humidity........40-46 percent. 24 hr trend......25 percent drier. 20-foot winds.......Northwest winds around 10 mph with higher gusts. Ridge top winds.....Northwest around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph. Mixing Height.......6400-8400 ft agl. Smoke dispersal.....Good to very good. .TONIGHT... Sky/weather.........Partly cloudy. Isolated thunderstorms in the evening. Isolated showers in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....44-49. 24 hr trend......1 degree warmer. Max humidity........76-82 percent. 24 hr trend......16 percent drier. Humidity recovery...Excellent. 20-foot winds.......North winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....Northwest 10 to 15 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......2800-4800 ft agl until 2400, then 400-1000 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .SATURDAY... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Chance of precipitation 40 percent. Chance of thunder...30 percent. Max temperature.....63-68. 24 hr trend......1 degree warmer. Min humidity........35-41 percent. 24 hr trend......2 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then northwest around 10 mph. Gusts up to 20 mph. Ridge top winds.....Northwest 10 to 15 mph. Chc of wetting rain.Zero percent until 1200, then 10 percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......2200-4200 ft agl until 1200, then 6400-8400 ft agl. Smoke dispersal.....Poor to fair until 1200, then good to very good. .SATURDAY NIGHT... Sky/weather.........Partly cloudy. Chance of thunder...10 percent. Min temperature.....43-48. 24 hr trend......1 degree cooler. Max humidity........65-71 percent. 24 hr trend......13 percent drier. Humidity recovery...Good. 20-foot winds.......North winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....North around 10 mph until 2400, then west. Chc of wetting rain.Zero percent. Transport winds.....North around 10 mph until 2400, then west. Mixing Height.......3000-5000 ft agl until 2400, then 400-1000 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .SUNDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....67-72. 24 hr trend......3 degrees warmer. Min humidity........27-33 percent. 24 hr trend......8 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then north around 10 mph. Gusts up to 20 mph. Ridge top winds.....West around 10 mph until 1200, then north. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......2200-4200 ft agl until 1200, then 7200-9200 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .Forecast days 3 through 7...... .SUNDAY NIGHT...Mostly clear. Lows in the mid 40s. Winds generally less than 10 mph. .LABOR DAY THROUGH TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. North winds around 10 mph. .WEDNESDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the mid 40s. Highs in the mid 60s. North winds around 10 mph. .THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. $$ WYZ140-302030- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 1221 PM MDT Fri Aug 29 2025 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Max temperature.....64-69. 24 hr trend......11 degrees warmer. Min humidity........36-42 percent. 24 hr trend......49 percent drier. 20-foot winds.......West winds around 10 mph and gusty. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......7000-8000 ft agl. Smoke dispersal.....Good to very good. .TONIGHT... Sky/weather.........Partly cloudy. Patchy smoke early in the morning. Chance of thunder...0 percent. Min temperature.....39-44. 24 hr trend......Unchanged. Max humidity........84-90 percent. 24 hr trend......12 percent drier. Humidity recovery...Excellent. 20-foot winds.......Northwest winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....West around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph. Mixing Height.......3000-5000 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .SATURDAY... Sky/weather.........Mostly sunny. Patchy smoke early in the morning. Isolated showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....66-71. 24 hr trend......2 degrees warmer. Min humidity........29-35 percent. 24 hr trend......7 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northwest around 10 mph. Gusts up to 15 mph. Ridge top winds.....Northwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......1800-3800 ft agl until 1200, then 6400-8400 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .SATURDAY NIGHT... Sky/weather.........Mostly clear. Chance of thunder...0 percent. Min temperature.....38-43. 24 hr trend......1 degree cooler. Max humidity........72-78 percent. 24 hr trend......16 percent drier. Humidity recovery...Excellent. 20-foot winds.......Northwest winds around 10 mph with gusts to around 15 mph until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....North around 10 mph until 2400, then east. Chc of wetting rain.Zero percent. Transport winds.....North around 10 mph until 2400, then east. Mixing Height.......3400-5400 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .SUNDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....70-75. 24 hr trend......3 degrees warmer. Min humidity........24-30 percent. 24 hr trend......6 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph. Ridge top winds.....South around 5 mph until 1200, then northwest. Chc of wetting rain.Zero percent. Transport winds.....South around 5 mph until 1200, then northwest. Mixing Height.......2000-4000 ft agl until 1200, then 7000-9000 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .SUNDAY THROUGH LABOR DAY...Mostly clear. Lows in the lower 40s. Highs in the lower 70s. Winds generally less than 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 39 to 44. Highs 68 to 73. Winds generally less than 10 mph. .THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the lower 40s. Highs around 70. $$ WYZ415-302030- North Zone Bridger Teton NF and Grand Teton NP- Including the cities of Jackson and Moran 1221 PM MDT Fri Aug 29 2025 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Max temperature.....64-69. 24 hr trend......8 degrees warmer. Min humidity........34-40 percent. 24 hr trend......34 percent drier. 20-foot winds.......Northwest winds around 10 mph with higher gusts. Ridge top winds.....Northwest around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph. Mixing Height.......6400-7800 ft agl. Smoke dispersal.....Good to very good. .TONIGHT... Sky/weather.........Partly cloudy. Patchy smoke after midnight. Chance of thunder...0 percent. Min temperature.....40-45. 24 hr trend......1 degree warmer. Max humidity........74-80 percent. 24 hr trend......18 percent drier. Humidity recovery...Excellent. 20-foot winds.......Northwest winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....North around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph. Mixing Height.......2600-4600 ft agl until 2400, then 400-1000 ft agl. Smoke dispersal.....Poor to fair. .SATURDAY... Sky/weather.........Mostly sunny. Patchy smoke in the morning. Isolated showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....66-71. 24 hr trend......2 degrees warmer. Min humidity........28-34 percent. 24 hr trend......6 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northwest around 10 mph. Gusts up to 15 mph. Ridge top winds.....Northwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......1800-3800 ft agl until 1200, then 6400-8400 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .SATURDAY NIGHT... Sky/weather.........Mostly clear. Chance of thunder...0 percent. Min temperature.....39-44. 24 hr trend......1 degree cooler. Max humidity........71-77 percent. 24 hr trend......12 percent drier. Humidity recovery...Excellent. 20-foot winds.......Northwest winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....Northwest around 10 mph until 2400, then east. Chc of wetting rain.Zero percent. Transport winds.....North around 10 mph until 2400, then east. Mixing Height.......3200-5200 ft agl until 2400, then 400-1000 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .SUNDAY... Sky/weather.........Sunny. Chance of thunder...0 percent. Max temperature.....67-72. 24 hr trend......3 degrees warmer. Min humidity........28-34 percent. 24 hr trend......5 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph. Ridge top winds.....East around 5 mph until 1200, then northwest. Chc of wetting rain.Zero percent. Transport winds.....East around 5 mph until 1200, then northwest. Mixing Height.......1800-3800 ft agl until 1200, then 6600-8600 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .SUNDAY NIGHT...Clear. Lows in the lower 40s. Winds generally less than 10 mph. .LABOR DAY...Mostly clear. Lows in the mid 40s. Highs in the lower 70s. Winds generally less than 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 41 to 46. Highs 69 to 74. Winds generally less than 10 mph. .THURSDAY THROUGH FRIDAY...Partly cloudy. Lows in the lower 40s. Highs around 70. $$ WYZ416-302030- West Wind River Mountains/East Zone Bridger Teton NF- 1221 PM MDT Fri Aug 29 2025 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....62-67. 24 hr trend......7 degrees warmer. Min humidity........30-36 percent. 24 hr trend......30 percent drier. 20-foot winds.......Northwest winds around 10 mph with higher gusts. Ridge top winds.....Northwest around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph. Mixing Height.......7000-8000 ft agl. Smoke dispersal.....Good to very good. .TONIGHT... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....39-44. 24 hr trend......2 degrees warmer. Max humidity........75-81 percent. 24 hr trend......14 percent drier. Humidity recovery...Excellent. 20-foot winds.......North winds around 10 mph and gusty. Ridge top winds.....North around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....North around 15 mph. Mixing Height.......2800-4800 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .SATURDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Patchy smoke early in the morning. Isolated showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....63-68. 24 hr trend......1 degree warmer. Min humidity........33-39 percent. 24 hr trend......2 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then northwest around 10 mph. Gusts up to 20 mph. Ridge top winds.....Northwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......2200-4200 ft agl until 1200, then 6800-8800 ft agl. Smoke dispersal.....Poor to fair until 1200, then good to very good. .SATURDAY NIGHT... Sky/weather.........Partly cloudy then becoming clear. Chance of thunder...0 percent. Min temperature.....38-43. 24 hr trend......1 degree cooler. Max humidity........70-76 percent. 24 hr trend......10 percent drier. Humidity recovery...Excellent. 20-foot winds.......North winds around 10 mph and gusty until 2400, then downslope/downvalley 4-7 mph. Ridge top winds.....North 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northeast 10 to 15 mph. Mixing Height.......3200-5200 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .SUNDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....63-68. 24 hr trend......2 degrees warmer. Min humidity........29-35 percent. 24 hr trend......2 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then west around 10 mph with higher gusts. Ridge top winds.....Northwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 10 mph. Mixing Height.......1800-3800 ft agl until 1200, then 6200-8200 ft agl. Smoke dispersal.....Poor until 1200, then good. .Forecast days 3 through 7...... .SUNDAY NIGHT...Clear. Lows in the lower 40s. Winds generally less than 10 mph. .LABOR DAY...Mostly clear. Lows in the lower 40s. Highs in the upper 60s. Winds generally less than 10 mph. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the upper 60s. Winds generally less than 10 mph. .WEDNESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the mid 60s. Winds generally less than 10 mph. .THURSDAY...Partly cloudy. Lows in the lower 40s. Highs in the mid 60s. .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms in the afternoon. Highs in the mid 60s. $$ WYZ288-302030- East Wind River Mountains/South Shoshone NF- Including the cities of Dubois and South Pass 1221 PM MDT Fri Aug 29 2025 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....63-68. 24 hr trend......2 degrees warmer. Min humidity........31-37 percent. 24 hr trend......15 percent drier. 20-foot winds.......North winds around 10 mph with higher gusts. Ridge top winds.....North around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph. Mixing Height.......6600-8200 ft agl. Smoke dispersal.....Good to very good. .TONIGHT... Sky/weather.........Partly cloudy. Isolated thunderstorms in the evening. Isolated showers in the evening. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....43-48. 24 hr trend......1 degree warmer. Max humidity........74-80 percent. 24 hr trend......9 percent drier. Humidity recovery...Excellent. 20-foot winds.......North winds around 10 mph until 0300, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....Northwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......2800-4800 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .SATURDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Isolated showers in the morning, then scattered showers and thunderstorms in the afternoon. Patchy smoke late in the morning. Chance of precipitation 40 percent. Chance of thunder...30 percent. Max temperature.....63-68. 24 hr trend......Unchanged. Min humidity........32-38 percent. 24 hr trend......3 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north around 10 mph. Gusts up to 15 mph. Ridge top winds.....North 10 to 15 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......2200-4200 ft agl until 1200, then 6200-8200 ft agl. Smoke dispersal.....Poor to fair until 1200, then good to very good. .SATURDAY NIGHT... Sky/weather.........Partly cloudy then becoming clear. Chance of thunder...0 percent. Min temperature.....41-46. 24 hr trend......1 degree cooler. Max humidity........66-72 percent. 24 hr trend......8 percent drier. Humidity recovery...Good. 20-foot winds.......Northeast winds around 10 mph and gusty until 2100, then downslope/downvalley 4-7 mph. Ridge top winds.....Northeast around 15 mph until 2400, then west. Chc of wetting rain.Zero percent. Transport winds.....Northeast around 15 mph until 2400, then northwest. Mixing Height.......2400-4400 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....64-69. 24 hr trend......2 degrees warmer. Min humidity........28-34 percent. 24 hr trend......5 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then northeast around 10 mph. Gusts up to 20 mph. Ridge top winds.....West around 10 mph until 1200, then north. Chc of wetting rain.Zero percent. Transport winds.....West around 10 mph. Mixing Height.......1800-3800 ft agl until 1200, then 6200-8200 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .SUNDAY NIGHT...Clear. Lows in the upper 40s. Winds generally less than 10 mph. .LABOR DAY THROUGH TUESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the upper 60s. Winds generally less than 10 mph. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the mid 60s. North winds around 10 mph. .THURSDAY THROUGH FRIDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. $$ WYZ414-302030- Salt and Wyoming Ranges/West Zone Bridger Teton NF- Including the city of Afton 1221 PM MDT Fri Aug 29 2025 .THIS AFTERNOON... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....64-69. 24 hr trend......7 degrees warmer. Min humidity........32-38 percent. 24 hr trend......26 percent drier. 20-foot winds.......Northwest winds around 10 mph with higher gusts. Ridge top winds.....Northwest around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph. Mixing Height.......7200-8400 ft agl. Smoke dispersal.....Good to very good. .TONIGHT... Sky/weather.........Mostly clear. Patchy smoke. Chance of thunder...0 percent. Min temperature.....39-44. 24 hr trend......2 degrees warmer. Max humidity........74-80 percent. 24 hr trend......23 percent drier. Humidity recovery...Excellent. 20-foot winds.......Northwest winds around 10 mph until 2400, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....North 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......3000-5000 ft agl until 2400, then 400-1000 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .SATURDAY... Sky/weather.........Mostly sunny. Patchy smoke in the morning. Chance of thunder...0 percent. Max temperature.....66-71. 24 hr trend......2 degrees warmer. Min humidity........24-30 percent. 24 hr trend......7 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northwest around 10 mph. Gusts up to 20 mph. Ridge top winds.....Northwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......2000-4000 ft agl until 1200, then 6400-8400 ft agl. Smoke dispersal.....Poor to fair until 1200, then good to very good. .SATURDAY NIGHT... Sky/weather.........Mostly clear. Chance of thunder...0 percent. Min temperature.....38-43. 24 hr trend......1 degree cooler. Max humidity........71-77 percent. 24 hr trend......10 percent drier. Humidity recovery...Excellent. 20-foot winds.......North winds around 10 mph until 2400, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....Northwest around 15 mph until 2400, then northeast. Chc of wetting rain.Zero percent. Transport winds.....North around 15 mph until 2400, then northeast. Mixing Height.......3000-5000 ft agl until 2400, then 400-1000 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .SUNDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....70-75. 24 hr trend......3 degrees warmer. Min humidity........24-30 percent. 24 hr trend......1 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph. Ridge top winds.....East around 10 mph until 1200, then northwest. Chc of wetting rain.Zero percent. Transport winds.....Southeast around 10 mph until 1200, then west. Mixing Height.......1800-3800 ft agl until 1200, then 7000-9000 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .SUNDAY NIGHT...Clear. Lows in the mid 40s. Winds generally less than 10 mph. .LABOR DAY...Mostly clear. Lows in the mid 40s. Highs in the lower 70s. Winds generally less than 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 43 to 48. Highs in the lower 70s. Winds generally less than 10 mph. .THURSDAY...Mostly clear. Lows in the mid 40s. Highs in the lower 70s. .FRIDAY...Partly cloudy. Highs around 70. $$ WYZ277>279-302030- Lincoln and Uinta Counties/Lower Elevations- Upper Green River Basin/Rock Springs BLM- Sweetwater County/Rock Springs BLM/Flaming Gorge NRA- Including the cities of Evanston, Fort Bridger, Kemmerer, Big Piney, Farson, Pinedale, Green River, Rock Springs, and Wamsutter 1221 PM MDT Fri Aug 29 2025 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Patchy smoke. Isolated showers and thunderstorms. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....66-71. 24 hr trend......2 degrees warmer. Min humidity........35-41 percent. 24 hr trend......10 percent drier. 20-foot winds.......West winds around 10 mph with higher gusts. Ridge top winds.....West around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......7400-9200 ft agl. Smoke dispersal.....Good to very good. .TONIGHT... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms early in the evening. Patchy smoke early in the evening. Patchy smoke in the late evening and overnight. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....42-47. 24 hr trend......1 degree cooler. Max humidity........69-75 percent. 24 hr trend......11 percent drier. Humidity recovery...Good. 20-foot winds.......West winds around 10 mph and gusty. Ridge top winds.....Northwest around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 15 mph. Mixing Height.......3600-5600 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .SATURDAY... Sky/weather.........Partly cloudy. Patchy smoke early in the morning. Patchy smoke late in the morning. Isolated showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....68-73. 24 hr trend......2 degrees warmer. Min humidity........23-29 percent. 24 hr trend......5 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northwest 10 to 15 mph. Gusts up to 20 mph. Ridge top winds.....Northwest 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......1600-3600 ft agl until 1200, then 7400-9400 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .SATURDAY NIGHT... Sky/weather.........Mostly clear. Chance of thunder...0 percent. Min temperature.....40-45. 24 hr trend......2 degrees cooler. Max humidity........67-73 percent. 24 hr trend......4 percent drier. Humidity recovery...Good. 20-foot winds.......North winds around 10 mph until 2400, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....North 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northeast 10 to 15 mph. Mixing Height.......4000-6000 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Good until 2400, then poor. .SUNDAY... Sky/weather.........Mostly sunny. Chance of thunder...0 percent. Max temperature.....69-74. 24 hr trend......1 degree warmer. Min humidity........24-30 percent. 24 hr trend......1 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph. Gusts up to 15 mph. Ridge top winds.....Northeast around 10 mph until 1200, then northwest. Chc of wetting rain.Zero percent. Transport winds.....East around 10 mph until 1200, then west. Mixing Height.......1600-3600 ft agl until 1200, then 6000-8000 ft agl. Smoke dispersal.....Poor to fair. .Forecast days 3 through 7...... .SUNDAY THROUGH LABOR DAY...Clear. Lows 44 to 49. Highs in the upper 70s. Winds generally less than 10 mph. .TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the upper 70s. Winds generally less than 10 mph. .WEDNESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the mid 70s. Northeast winds around 10 mph. .THURSDAY...Mostly clear. Lows in the mid 40s. Highs in the mid 70s. .FRIDAY...Partly cloudy. Highs in the mid 70s. $$ WYZ289-302030- Granite/Green/Ferris/Rattlesnake Mountains- Including the city of Jeffrey City 1221 PM MDT Fri Aug 29 2025 .THIS AFTERNOON... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....68-73. 24 hr trend......1 degree warmer. Min humidity........26-32 percent. 24 hr trend......10 percent drier. 20-foot winds.......Northwest winds around 10 mph and gusty. Ridge top winds.....Northwest around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......7600-8600 ft agl. Smoke dispersal.....Good to very good. .TONIGHT... Sky/weather.........Partly cloudy. Isolated showers in the evening. Isolated thunderstorms through the night. Scattered showers after midnight. Chance of precipitation 50 percent. Chance of thunder...20 percent. Min temperature.....50-55. 24 hr trend......1 degree warmer. Max humidity........80-86 percent. 24 hr trend......5 percent drier. Humidity recovery...Excellent. 20-foot winds.......North winds around 10 mph until 2100, then east until 0300, then north. Gusts up to 20 mph. Ridge top winds.....Northeast around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....North around 15 mph. Mixing Height.......3200-5200 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .SATURDAY... Sky/weather.........Partly cloudy. Isolated showers in the morning. Isolated thunderstorms through the day. Scattered showers in the afternoon. Chance of precipitation 50 percent. Chance of thunder...20 percent. Max temperature.....66-71. 24 hr trend......1 degree cooler. Min humidity........31-37 percent. 24 hr trend......4 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then north around 10 mph. Gusts up to 15 mph. Ridge top winds.....North 10 to 15 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......1600-3600 ft agl until 1200, then 6400-8400 ft agl. Smoke dispersal.....Poor until 1200, then good to very good. .SATURDAY NIGHT... Sky/weather.........Mostly clear. Chance of thunder...0 percent. Min temperature.....46-51. 24 hr trend......3 degrees cooler. Max humidity........74-80 percent. 24 hr trend......7 percent drier. Humidity recovery...Excellent. 20-foot winds.......Northeast winds around 10 mph until 2400, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....Northeast 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Northeast 10 to 15 mph. Mixing Height.......2600-4600 ft agl until 2400, then 200-600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .SUNDAY... Sky/weather.........Sunny. Chance of thunder...0 percent. Max temperature.....69-74. 24 hr trend......3 degrees warmer. Min humidity........23-29 percent. 24 hr trend......8 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then northwest around 10 mph. Gusts up to 20 mph. Ridge top winds.....Northwest around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....Northwest around 10 mph. Mixing Height.......1600-3600 ft agl until 1200, then 6600-8600 ft agl. Smoke dispersal.....Poor until 1200, then good. .Forecast days 3 through 7...... .SUNDAY NIGHT...Clear. Lows around 50. Winds generally less than 10 mph. .LABOR DAY THROUGH TUESDAY...Mostly clear. Lows around 50. Highs in the upper 70s. Winds generally less than 10 mph. .WEDNESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the lower 70s. Northeast winds around 10 mph. .THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the upper 40s. Highs 72 to 77. $$ WYZ300-302030- Casper Mountain- 1221 PM MDT Fri Aug 29 2025 .THIS AFTERNOON... Sky/weather.........Mostly cloudy. Isolated showers and thunderstorms through the day. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....67-72. 24 hr trend......1 degree warmer. Min humidity........40-46 percent. 24 hr trend......5 percent drier. 20-foot winds.......Northwest winds around 10 mph with higher gusts. Ridge top winds.....Northwest around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....West around 15 mph. Mixing Height.......6400-7200 ft agl. Smoke dispersal.....Good to very good. .TONIGHT... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms through the night. Chance of precipitation 20 percent. Chance of thunder...20 percent. Min temperature.....48-53. 24 hr trend......Unchanged. Max humidity........83-89 percent. 24 hr trend......7 percent drier. Humidity recovery...Excellent. 20-foot winds.......North winds around 10 mph until 2100, then northeast until 2400, then downslope/downvalley 4-7 mph. Gusts up to 20 mph. Ridge top winds.....North 10 to 15 mph. Chc of wetting rain.Zero percent. Transport winds.....North 10 to 15 mph. Mixing Height.......2200-4200 ft agl until 2400, then 200-800 ft agl. Smoke dispersal.....Poor. .SATURDAY... Sky/weather.........Partly cloudy. Isolated thunderstorms in the morning. Scattered showers through the day. Scattered thunderstorms in the afternoon. Chance of precipitation 50 percent. Chance of thunder...40 percent. Max temperature.....63-68. 24 hr trend......4 degrees cooler. Min humidity........49-55 percent. 24 hr trend......9 percent wetter. 20-foot winds.......Northwest winds around 10 mph with higher gusts. Ridge top winds.....Northwest around 15 mph. Chc of wetting rain.Zero percent until 1200, then 30 percent. Transport winds.....Northwest 15 to 20 mph. Mixing Height.......1200-3200 ft agl until 1200, then 3800-5800 ft agl. Smoke dispersal.....Fair to good. .SATURDAY NIGHT... Sky/weather.........Mostly clear. Chance of thunder...10 percent. Min temperature.....45-50. 24 hr trend......3 degrees cooler. Max humidity........72-78 percent. 24 hr trend......10 percent drier. Humidity recovery...Excellent. 20-foot winds.......Northeast winds around 10 mph until 2100, then downslope/downvalley 4-7 mph. Gusts up to 15 mph. Ridge top winds.....Northeast around 15 mph until 2400, then southeast around 5 mph. Chc of wetting rain.Zero percent. Transport winds.....Northeast around 15 mph until 2400, then northwest around 5 mph. Mixing Height.......1200-3200 ft agl until 2400, then 200-400 ft agl. Smoke dispersal.....Poor. .SUNDAY... Sky/weather.........Sunny. Chance of thunder...0 percent. Max temperature.....68-73. 24 hr trend......6 degrees warmer. Min humidity........31-37 percent. 24 hr trend......19 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then northwest around 10 mph. Gusts up to 20 mph. Ridge top winds.....West around 10 mph until 1200, then northwest. Chc of wetting rain.Zero percent. Transport winds.....Northwest 10 to 15 mph. Mixing Height.......1800-3800 ft agl until 1200, then 6200-8000 ft agl. Smoke dispersal.....Poor until 1200, then good. .Forecast days 3 through 7...... .SUNDAY THROUGH LABOR DAY...Clear. Lows in the upper 40s. Highs in the lower 70s. Winds generally less than 10 mph. .TUESDAY...Mostly clear. Slight chance of showers. Lows in the upper 40s. Highs in the lower 70s. Winds generally less than 10 mph. .WEDNESDAY...Mostly clear with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. Winds generally less than 10 mph. .THURSDAY THROUGH FRIDAY...Mostly clear. Lows in the upper 40s. Highs 67 to 72. $$