


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
919 FNUS55 KRIW 311931 FWFRIW Fire Weather Planning Forecast for Western and Central Wyoming National Weather Service Riverton WY 131 PM MDT Thu Jul 31 2025 .DISCUSSION... ...Yellowstone NP and Teton dispatch areas (includes fire weather zones 140...414...415...and 416)... Conditions will be similar to yesterday (Wednesday). Gulf moisture streams northwestward today, leading to notably higher RH for the northern dispatch area (Yellowstone NP) than for the southern area (Salt River and Wyoming Ranges). RH dips to 15 to 20 percent for the south, whereas minimums will be 25 to 30 percent in the north. Overall, winds gust 15 to 20 mph this afternoon, but will be notably higher (gusts to 30 to 40 mph) around any showers and thunderstorms that are passing by. There is a 30 to 40 percent chance for nearby thunderstorms this afternoon anywhere along and north of the Tetons and Gros Ventres. ...Cody dispatch area (includes fire weather zones 275...276... 282...283...285...286...287...288...and 289)... Conditions will be similar to yesterday (Wednesday). Gulf moisture is in place for both basins, with minimum RHs in the 25 to 30 percent range this afternoon, quite high for this time of year. Overall, winds gust 15 to 20 mph this afternoon, but will be notably higher (gusts 40 to 50 mph) around any showers and thunderstorms that are passing by. There is a 50 to 70 percent chance for nearby thunderstorms this afternoon, with the higher values over the Bighorn Basin and surrounding mountains. ...Casper dispatch area (includes fire weather zones 277...278... 279...280...281...285...289...and 300)... Conditions will be similar to yesterday (Wednesday). Gulf moisture is in place east of the Divide, leading to notably higher RH for the northern dispatch area (Casper northeastward) than for SW Wyoming. RH dips to 10 to 15 percent for the southwest, whereas minimums will be 35 to 40 percent in the north. Overall, winds gust 15 to 20 mph this afternoon, but will be notably higher (gusts to 45 to 55 mph) around any showers and thunderstorms that are passing by. There is a 50 to 70 percent chance for nearby thunderstorms this afternoon for zones north of Casper, and only a 10 to 20 percent chance for zones southwest of the Divide. ...Thunderstorms imply strong gusty and erratic winds... WYZ280-012145- Natrona County/Casper BLM- Including the cities of Casper and Midwest 131 PM MDT Thu Jul 31 2025 .REST OF TODAY... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms late in the afternoon. Scattered showers and thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...40 percent. Max temperature.....81-86. 24 hr trend......3 degrees warmer. Min humidity........38-44 percent. 24 hr trend......4 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then east around 10 mph. Gusts up to 30 mph. Ridge top winds.....East around 15 mph. Chc of wetting rain.10 percent. Transport winds.....Southeast around 15 mph. Mixing Height.......3800-5800 ft agl. Smoke dispersal.....Good. .TONIGHT... Sky/weather.........Partly cloudy. Scattered showers and thunderstorms early in the evening, then isolated showers early in the evening. Isolated thunderstorms early in the evening. Some thunderstorms may be severe. Some thunderstorms may be severe. Chance of precipitation 50 percent. Chance of thunder...40 percent. Min temperature.....52-57. 24 hr trend......Unchanged. Max humidity........78-84 percent. 24 hr trend......9 percent drier. Humidity recovery...Excellent. 20-foot winds.......South winds around 20 mph until 2100, then east until 2400, then northeast until 0300, then downslope/downvalley 4-7 mph. Gusts up to 35 mph. Ridge top winds.....Southeast around 20 mph until 2400, then northeast. Chc of wetting rain.15 percent until 2400, then zero percent. Transport winds.....Southeast 15 to 20 mph. Mixing Height.......1800-3800 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .FRIDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Isolated showers and thunderstorms early in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....83-88. 24 hr trend......1 degree warmer. Min humidity........21-27 percent. 24 hr trend......14 percent drier. 20-foot winds.......Southwest winds around 10 mph and gusty until 1200, then west with gusts to around 35 mph until 1500, then northwest around 20 mph with gusts to around 35 mph. Ridge top winds.....Southwest around 15 mph until 1200, then northwest. Chc of wetting rain.Less than 5 percent. Transport winds.....West 15 to 20 mph. Mixing Height.......1000-3000 ft agl until 1200, then 7800-9800 ft agl. Smoke dispersal.....Poor until 1200, then very good to excellent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Slight chance of showers and thunderstorms in the evening. Lows in the lower 50s. Southwest winds around 10 mph. .SATURDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 80s. Winds generally less than 10 mph. .SUNDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 80s. North winds around 10 mph. .MONDAY...Mostly clear. Lows in the mid 50s. Highs in the upper 80s. Southeast winds around 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the lower 90s. $$ WYZ283-012145- Upper Wind River Basin/Wind River Basin- Including the cities of Crowheart, Lander, Riverton, and Shoshoni 131 PM MDT Thu Jul 31 2025 .REST OF TODAY... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms late in the afternoon. Scattered showers and thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....78-83. 24 hr trend......3 degrees warmer. Min humidity........31-37 percent. 24 hr trend......1 percent drier. 20-foot winds.......East winds 10 to 15 mph with gusts to around 40 mph. Ridge top winds.....East around 15 mph. Chc of wetting rain.10 percent. Transport winds.....Southeast around 15 mph. Mixing Height.......4000-6000 ft agl. Smoke dispersal.....Good. .TONIGHT... Sky/weather.........Partly cloudy. Scattered showers and thunderstorms early in the evening. Isolated showers and thunderstorms early in the evening. Chance of precipitation 50 percent. Chance of thunder...20 percent. Min temperature.....50-55. 24 hr trend......1 degree warmer. Max humidity........68-74 percent. 24 hr trend......10 percent drier. Humidity recovery...Good. 20-foot winds.......East winds around 20 mph with gusts to around 35 mph until 2100, then northeast with gusts to around 35 mph until 2400, then south with gusts to around 25 mph until 0300, then downslope/downvalley 4-7 mph. Ridge top winds.....East 15 to 20 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....Northeast around 20 mph until 2400, then southwest. Mixing Height.......2000-4000 ft agl until 2400, then 600-800 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .FRIDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Isolated showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....80-85. 24 hr trend......1 degree warmer. Min humidity........20-26 percent. 24 hr trend......10 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1200, then south around 10 mph with gusts to around 40 mph until 1500, then southwest around 20 mph with gusts to around 40 mph. Ridge top winds.....Southwest around 10 mph until 1200, then around 20 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....Southwest around 10 mph until 1200, then west around 20 mph. Mixing Height.......1200-3200 ft agl until 1200, then 6600-8600 ft agl. Smoke dispersal.....Poor until 1200, then very good. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. Southwest winds around 10 mph. .SATURDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 80s. Winds generally less than 10 mph. .SUNDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 80s. Winds generally less than 10 mph. .MONDAY...Mostly clear. Lows in the mid 50s. Highs around 90. South winds around 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the lower 90s. $$ WYZ285-012145- South Bighorn Mountains- 131 PM MDT Thu Jul 31 2025 .REST OF TODAY... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms late in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....75-80. 24 hr trend......3 degrees warmer. Min humidity........35-41 percent. 24 hr trend......1 percent wetter. 20-foot winds.......South winds 10 to 15 mph with gusts to around 25 mph. Ridge top winds.....Southeast around 15 mph. Chc of wetting rain.5 percent. Transport winds.....South around 15 mph. Mixing Height.......4200-6200 ft agl. Smoke dispersal.....Good. .TONIGHT... Sky/weather.........Mostly cloudy then becoming partly cloudy. Scattered showers and thunderstorms in the evening. Some thunderstorms may be severe. Some thunderstorms may be severe. Chance of precipitation 50 percent. Chance of thunder...50 percent. Min temperature.....51-56. 24 hr trend......2 degrees warmer. Max humidity........74-80 percent. 24 hr trend......9 percent drier. Humidity recovery...Excellent. 20-foot winds.......Southeast winds around 20 mph until 2100, then northeast until 0300, then south. Gusts up to 40 mph. Ridge top winds.....East 20 to 25 mph. Chc of wetting rain.25 percent until 2400, then zero percent. Transport winds.....East around 25 mph until 2400, then south. Mixing Height.......1600-3600 ft agl until 2400, then 200-600 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .FRIDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Isolated showers and thunderstorms in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....76-81. 24 hr trend......1 degree warmer. Min humidity........26-32 percent. 24 hr trend......11 percent drier. 20-foot winds.......West winds around 10 mph with gusts to around 45 mph until 1500, then southwest around 20 mph with gusts to around 45 mph. Ridge top winds.....West 15 to 20 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....West 15 to 20 mph. Mixing Height.......1200-3200 ft agl until 1200, then 7200-9200 ft agl. Smoke dispersal.....Poor until 1200, then very good. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Winds generally less than 10 mph. .SATURDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. Northwest winds around 10 mph. .SUNDAY...Mostly clear. Chance of showers and slight chance of thunderstorms. Lows in the mid 50s. Highs in the mid 70s. North winds around 10 mph. .MONDAY...Mostly clear. Lows in the upper 50s. Highs in the lower 80s. Southeast winds around 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the lower 80s. $$ WYZ281-012145- Johnson County/Casper BLM- Including the cities of Buffalo and Kaycee 131 PM MDT Thu Jul 31 2025 .REST OF TODAY... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms late in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....76-81. 24 hr trend......4 degrees warmer. Min humidity........40-46 percent. 24 hr trend......1 percent wetter. 20-foot winds.......Southeast winds around 10 mph and gusty. Ridge top winds.....Southeast around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....Southeast around 15 mph. Mixing Height.......4400-6400 ft agl. Smoke dispersal.....Fair to good. .TONIGHT... Sky/weather.........Partly cloudy. Showers and scattered thunderstorms in the evening. Isolated showers after midnight. Some thunderstorms may be severe. Chance of precipitation 90 percent. Chance of thunder...50 percent. Min temperature.....54-59. 24 hr trend......1 degree warmer. Max humidity........82-88 percent. 24 hr trend......3 percent wetter. Humidity recovery...Excellent. 20-foot winds.......Southeast winds around 15 mph with gusts to around 35 mph until 2100, then north with gusts to around 35 mph until 2400, then east with gusts to around 25 mph until 0300, then southwest with gusts to around 25 mph. Ridge top winds.....East around 25 mph until 2400, then south around 15 mph. Chc of wetting rain.45 percent until 2400, then zero percent. Transport winds.....Southeast around 25 mph until 2400, then south around 15 mph. Mixing Height.......2600-4600 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Poor to fair. .FRIDAY... Sky/weather.........Partly cloudy. Scattered showers and thunderstorms in the afternoon. Chance of precipitation 50 percent. Chance of thunder...20 percent. Max temperature.....78-83. 24 hr trend......2 degrees warmer. Min humidity........36-42 percent. 24 hr trend......5 percent drier. 20-foot winds.......Southeast winds around 10 mph until 1200, then east. Gusts up to 25 mph. Ridge top winds.....Southeast around 15 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....West around 15 mph. Mixing Height.......600-2600 ft agl until 1200, then 4800-6800 ft agl. Smoke dispersal.....Poor until 1200, then good. .Forecast days 3 through 7...... .FRIDAY NIGHT...Partly cloudy. Slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. Southwest winds around 10 mph. .SATURDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the mid 50s. Highs in the mid 80s. Winds generally less than 10 mph. .SUNDAY...Mostly clear. Chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 80s. Winds generally less than 10 mph. .MONDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 80s. South winds around 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs around 90. $$ WYZ282-012145- South Bighorn Basin/Worland BLM- Including the cities of Ten Sleep, Thermopolis, and Worland 131 PM MDT Thu Jul 31 2025 .REST OF TODAY... Sky/weather.........Partly cloudy. Scattered showers and thunderstorms late in the afternoon. Isolated showers and thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...20 percent. Max temperature.....78-83. 24 hr trend......2 degrees warmer. Min humidity........31-37 percent. 24 hr trend......2 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then southeast around 10 mph. Gusts up to 25 mph. Ridge top winds.....Southeast around 15 mph. Chc of wetting rain.5 percent. Transport winds.....South around 15 mph. Mixing Height.......5400-7400 ft agl. Smoke dispersal.....Good. .TONIGHT... Sky/weather.........Mostly cloudy then becoming partly cloudy. Numerous showers and scattered thunderstorms in the evening. Some thunderstorms may be severe. Some thunderstorms may be severe. Chance of precipitation 70 percent. Chance of thunder...40 percent. Min temperature.....51-56. 24 hr trend......Unchanged. Max humidity........73-79 percent. 24 hr trend......6 percent drier. Humidity recovery...Excellent. 20-foot winds.......Breezy. Northwest winds around 25 mph with gusts to around 45 mph until 2100, then south 10 to 15 mph with gusts to around 45 mph until 0300, then downslope/downvalley 4-7 mph. Ridge top winds.....West around 25 mph until 2400, then south around 15 mph. Chc of wetting rain.30 percent until 2400, then zero percent. Transport winds.....North around 25 mph until 2400, then south around 15 mph. Mixing Height.......2400-4400 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .FRIDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Scattered showers early in the afternoon. Isolated thunderstorms early in the afternoon. Isolated showers late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...20 percent. Max temperature.....78-83. 24 hr trend......1 degree warmer. Min humidity........23-29 percent. 24 hr trend......6 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then west around 20 mph with gusts to around 45 mph. Ridge top winds.....Southeast around 10 mph until 1200, then northeast around 20 mph. Chc of wetting rain.Zero percent until 1200, then 10 percent. Transport winds.....South around 10 mph until 1200, then west around 20 mph. Mixing Height.......800-2800 ft agl until 1200, then 6200-8200 ft agl. Smoke dispersal.....Poor until 1200, then very good. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Winds generally less than 10 mph. .SATURDAY THROUGH SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows in the mid 50s. Highs 84 to 89. Winds generally less than 10 mph. .MONDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the lower 90s. South winds around 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the lower 90s. $$ WYZ275-012145- North Bighorn Basin/Worland BLM- Including the cities of Greybull, Lovell, and Powell 131 PM MDT Thu Jul 31 2025 .REST OF TODAY... Sky/weather.........Partly cloudy. Scattered showers and thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....77-82. 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 1500, then northwest around 10 mph. Gusts up to 30 mph. Ridge top winds.....Southeast around 15 mph. Chc of wetting rain.5 percent. Transport winds.....South around 15 mph. Mixing Height.......4600-6600 ft agl. Smoke dispersal.....Good. .TONIGHT... Sky/weather.........Mostly cloudy then becoming partly cloudy. Scattered showers and thunderstorms in the evening. Some thunderstorms may be severe early in the evening. Some thunderstorms may be severe late in the evening. Chance of precipitation 50 percent. Chance of thunder...30 percent. Min temperature.....52-57. 24 hr trend......1 degree warmer. Max humidity........71-77 percent. 24 hr trend......7 percent drier. Humidity recovery...Excellent. 20-foot winds.......Breezy. Northwest winds around 25 mph with gusts to around 45 mph until 2100, then southeast 10 to 15 mph with gusts to around 45 mph. Ridge top winds.....West around 25 mph until 2400, then southeast around 15 mph. Chc of wetting rain.15 percent until 2400, then zero percent. Transport winds.....Southwest around 25 mph until 2400, then southeast around 15 mph. Mixing Height.......1600-3600 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .FRIDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Scattered showers and thunderstorms in the afternoon. Chance of precipitation 50 percent. Chance of thunder...20 percent. Max temperature.....78-83. 24 hr trend......2 degrees warmer. Min humidity........21-27 percent. 24 hr trend......6 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 1500, then southwest around 20 mph with gusts to around 40 mph. Ridge top winds.....South 10 to 15 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....South around 10 mph until 1200, then southwest. Mixing Height.......800-2800 ft agl until 1200, then 6000-8000 ft agl. Smoke dispersal.....Poor until 1200, then very good. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Winds generally less than 10 mph. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 80s. Winds generally less than 10 mph. .SUNDAY THROUGH MONDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 55 to 60. Highs 85 to 90. South winds around 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs around 90. $$ WYZ276-012145- Cody Foothills- Including the cities of Clark, Cody, and Meeteetse 131 PM MDT Thu Jul 31 2025 .REST OF TODAY... Sky/weather.........Partly cloudy. Numerous showers and scattered thunderstorms. Chance of precipitation 70 percent. Chance of thunder...50 percent. Max temperature.....74-79. 24 hr trend......2 degrees warmer. Min humidity........36-42 percent. 24 hr trend......2 percent drier. 20-foot winds.......Northeast winds 10 to 15 mph with gusts to around 35 mph. Ridge top winds.....Northeast around 20 mph. Chc of wetting rain.30 percent. Transport winds.....South around 20 mph. Mixing Height.......3600-5600 ft agl. Smoke dispersal.....Good. .TONIGHT... Sky/weather.........Mostly cloudy then becoming partly cloudy. Isolated showers early in the evening. Isolated thunderstorms early in the evening. Scattered showers early in the evening. Chance of precipitation 50 percent. Chance of thunder...20 percent. Min temperature.....53-58. 24 hr trend......2 degrees warmer. Max humidity........65-71 percent. 24 hr trend......20 percent drier. Humidity recovery...Good. 20-foot winds.......North winds around 15 mph with gusts to around 35 mph until 2100, then southwest with gusts to around 35 mph. Ridge top winds.....West around 20 mph until 2400, then south. Chc of wetting rain.Less than 5 percent. Transport winds.....Southwest 15 to 20 mph. Mixing Height.......1000-3000 ft agl until 2400, then 600-1000 ft agl. Smoke dispersal.....Poor. .FRIDAY... Sky/weather.........Partly cloudy. Scattered showers and thunderstorms in the afternoon. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....77-82. 24 hr trend......4 degrees warmer. Min humidity........28-34 percent. 24 hr trend......8 percent drier. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then northeast 10 to 15 mph with gusts to around 30 mph. Ridge top winds.....Northwest around 10 mph until 1200, then northeast around 20 mph. Chc of wetting rain.Zero percent until 1200, then 20 percent. Transport winds.....West around 10 mph until 1200, then southwest around 20 mph. Mixing Height.......2000-4000 ft agl until 1200, then 6600-8600 ft agl. Smoke dispersal.....Poor to fair until 1200, then very good. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Southwest winds around 10 mph. .SATURDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the mid 50s. Highs around 80. Winds generally less than 10 mph. .SUNDAY...Mostly clear. Chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. Winds generally less than 10 mph. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 80s. South winds around 10 mph. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 80s. .WEDNESDAY...Mostly sunny. Highs in the mid 80s. $$ WYZ287-012145- Owl Creek Mountains- 131 PM MDT Thu Jul 31 2025 .REST OF TODAY... Sky/weather.........Partly cloudy. Scattered showers and thunderstorms. Chance of precipitation 50 percent. Chance of thunder...40 percent. Max temperature.....73-78. 24 hr trend......1 degree warmer. Min humidity........34-40 percent. 24 hr trend......4 percent wetter. 20-foot winds.......Southeast winds 10 to 15 mph with gusts to around 25 mph. Ridge top winds.....Southeast around 15 mph. Chc of wetting rain.15 percent. Transport winds.....Southeast around 15 mph. Mixing Height.......4000-6000 ft agl. Smoke dispersal.....Fair to good. .TONIGHT... Sky/weather.........Partly cloudy. Numerous showers and scattered thunderstorms in the evening. Chance of precipitation 70 percent. Chance of thunder...40 percent. Min temperature.....51-56. 24 hr trend......2 degrees warmer. Max humidity........68-74 percent. 24 hr trend......15 percent drier. Humidity recovery...Good. 20-foot winds.......Breezy. North winds around 25 mph with gusts to around 40 mph until 2100, then southeast around 15 mph with gusts to around 40 mph until 2400, then southwest with gusts to around 25 mph. Ridge top winds.....North around 20 mph until 2400, then southwest. Chc of wetting rain.25 percent until 2400, then zero percent. Transport winds.....Northwest around 20 mph until 2400, then southwest. Mixing Height.......1400-3400 ft agl until 2400, then 200-800 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .FRIDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Scattered showers and thunderstorms in the afternoon. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....74-79. 24 hr trend......2 degrees warmer. Min humidity........25-31 percent. 24 hr trend......9 percent drier. 20-foot winds.......Breezy. Southwest winds around 10 mph with gusts to around 25 mph until 0900, then north with gusts to around 25 mph until 1200, then southeast with gusts to around 55 mph until 1500, then south around 25 mph with gusts to around 55 mph. Ridge top winds.....West around 15 mph until 1200, then south. Chc of wetting rain.Zero percent until 1200, then 15 percent. Transport winds.....West 15 to 20 mph. Mixing Height.......1200-3200 ft agl until 1200, then 7400-9400 ft agl. Smoke dispersal.....Poor until 1200, then very good to excellent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. Southwest winds around 10 mph. .SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the lower 50s. Highs around 80. Northwest winds around 10 mph. .SUNDAY THROUGH MONDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 53 to 58. Highs 78 to 83. Southwest winds around 10 mph. .TUESDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid 80s. .WEDNESDAY...Mostly sunny. Highs in the mid 80s. $$ WYZ286-012145- Absaroka Mountains/North Shoshone NF- Including the city of Pahaska 131 PM MDT Thu Jul 31 2025 .REST OF TODAY... Sky/weather.........Partly cloudy. Scattered showers and thunderstorms through the day. Chance of precipitation 50 percent. Chance of thunder...50 percent. Max temperature.....68-73. 24 hr trend......2 degrees warmer. Min humidity........42-48 percent. 24 hr trend......7 percent drier. 20-foot winds.......Southeast winds around 15 mph with gusts to around 30 mph. Ridge top winds.....Southeast around 20 mph. Chc of wetting rain.35 percent. Transport winds.....South around 20 mph. Mixing Height.......4600-6600 ft agl. Smoke dispersal.....Good. .TONIGHT... Sky/weather.........Mostly cloudy then becoming partly cloudy. Scattered showers and isolated thunderstorms in the evening. Chance of precipitation 50 percent. Chance of thunder...20 percent. Min temperature.....46-51. 24 hr trend......4 degrees warmer. Max humidity........70-76 percent. 24 hr trend......24 percent drier. Humidity recovery...Excellent. 20-foot winds.......Northeast winds around 15 mph with gusts to around 30 mph until 2100, then south with gusts to around 30 mph until 0300, then west with gusts to around 15 mph. Ridge top winds.....Northeast around 15 mph until 2400, then southwest. Chc of wetting rain.Less than 5 percent. Transport winds.....Southeast around 15 mph until 2400, then south. Mixing Height.......1400-3400 ft agl until 2400, then 400-1000 ft agl. Smoke dispersal.....Poor. .FRIDAY... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms early in the afternoon. Scattered showers and thunderstorms in the afternoon. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....71-76. 24 hr trend......1 degree warmer. Min humidity........24-30 percent. 24 hr trend......12 percent drier. 20-foot winds.......West winds 10 to 15 mph with gusts to around 35 mph until 1500, then around 20 mph with gusts to around 35 mph. Ridge top winds.....West 15 to 20 mph. Chc of wetting rain.Zero percent until 1200, then 15 percent. Transport winds.....West 15 to 20 mph. Mixing Height.......3800-5800 ft agl until 1200, then 8400-10400 ft agl. Smoke dispersal.....Good until 1200, then excellent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Slight chance of showers and thunderstorms in the evening. Lows in the upper 40s. West winds around 10 mph. .SATURDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the mid 40s. Highs around 70. West winds around 10 mph. .SUNDAY...Mostly clear. Chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. West winds around 10 mph. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the lower 70s. Southwest winds around 10 mph. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the lower 70s. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ WYZ140-012145- Yellowstone National Park- Including the cities of Lake, Mammoth, and Old Faithful 131 PM MDT Thu Jul 31 2025 .REST OF TODAY... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms early in the afternoon, then scattered showers and thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...40 percent. Max temperature.....75-80. 24 hr trend......1 degree warmer. Min humidity........29-35 percent. 24 hr trend......Unchanged. 20-foot winds.......Southwest winds around 10 mph until 1500, then around 20 mph. Gusts up to 35 mph. Ridge top winds.....Southwest around 20 mph. Chc of wetting rain.25 percent. Transport winds.....South around 20 mph. Mixing Height.......8800-10800 ft agl. Smoke dispersal.....Excellent. .TONIGHT... Sky/weather.........Partly cloudy. Scattered showers and isolated thunderstorms early in the evening. Chance of precipitation 50 percent. Chance of thunder...20 percent. Min temperature.....42-47. 24 hr trend......2 degrees warmer. Max humidity........74-80 percent. 24 hr trend......13 percent drier. Humidity recovery...Excellent. 20-foot winds.......East winds 10 to 15 mph. Gusts up to 35 mph until 2400, then 15 mph. Ridge top winds.....East around 20 mph until 2400, then southeast around 10 mph. Chc of wetting rain.Zero percent. Transport winds.....East around 20 mph until 2400, then southeast around 10 mph. Mixing Height.......2200-4200 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .FRIDAY... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Max temperature.....72-77. 24 hr trend......4 degrees cooler. Min humidity........26-32 percent. 24 hr trend......3 percent drier. 20-foot winds.......Southeast winds around 10 mph until 0900, then southwest. Gusts up to 25 mph. Ridge top winds.....Southwest 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 15 mph until 1200, then around 25 mph. Mixing Height.......3200-5200 ft agl until 1200, then 9800-11800 ft agl. Smoke dispersal.....Fair to good until 1200, then excellent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Slight chance of showers and thunderstorms in the evening. Lows in the lower 40s. Winds generally less than 10 mph. .SATURDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the lower 40s. Highs in the lower 70s. Winds generally less than 10 mph. .SUNDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs around 70. Winds generally less than 10 mph. .MONDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the mid 70s. Winds generally less than 10 mph. .TUESDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs around 70. .WEDNESDAY...Mostly sunny. Highs in the mid 70s. $$ WYZ415-012145- North Zone Bridger Teton NF and Grand Teton NP- Including the cities of Jackson and Moran 131 PM MDT Thu Jul 31 2025 .REST OF TODAY... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms early in the afternoon. Scattered showers and thunderstorms early in the afternoon, then isolated showers and thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....75-80. 24 hr trend......1 degree warmer. Min humidity........24-30 percent. 24 hr trend......3 percent drier. 20-foot winds.......Southwest winds around 10 mph until 1500, then south around 20 mph. Gusts up to 35 mph. Ridge top winds.....South around 20 mph. Chc of wetting rain.15 percent. Transport winds.....South around 20 mph. Mixing Height.......8800-10800 ft agl. Smoke dispersal.....Excellent. .TONIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....43-48. 24 hr trend......Unchanged. Max humidity........66-72 percent. 24 hr trend......14 percent drier. Humidity recovery...Good. 20-foot winds.......North winds around 10 mph until 2100, then southeast. Gusts up to 20 mph. Ridge top winds.....Southeast around 15 mph. Chc of wetting rain.Zero percent. Transport winds.....South around 15 mph. Mixing Height.......3200-5200 ft agl until 2400, then 400-1000 ft agl. Smoke dispersal.....Fair to good until 2400, then poor. .FRIDAY... Sky/weather.........Partly cloudy. Scattered showers early in the afternoon. Isolated thunderstorms early in the afternoon. Isolated showers late in the afternoon. Chance of precipitation 40 percent. Chance of thunder...10 percent. Max temperature.....70-75. 24 hr trend......3 degrees cooler. Min humidity........24-30 percent. 24 hr trend......Unchanged. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then southwest 10 to 15 mph with gusts to around 30 mph until 1500, then west around 20 mph with gusts to around 30 mph. Ridge top winds.....South around 10 mph until 1200, then southwest around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....South around 10 mph until 1200, then southwest around 25 mph. Mixing Height.......3400-5400 ft agl until 1200, then 10200-12200 ft agl. Smoke dispersal.....Fair to good until 1200, then excellent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s. Winds generally less than 10 mph. .SATURDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the lower 40s. Highs in the lower 70s. Winds generally less than 10 mph. .SUNDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the lower 70s. Winds generally less than 10 mph. .MONDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the mid 70s. South winds around 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the mid 40s. Highs 71 to 76. $$ WYZ416-012145- West Wind River Mountains/East Zone Bridger Teton NF- 131 PM MDT Thu Jul 31 2025 .REST OF TODAY... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms early in the afternoon. Scattered showers and thunderstorms late in the afternoon, then isolated showers and thunderstorms late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....70-75. 24 hr trend......1 degree cooler. Min humidity........20-26 percent. 24 hr trend......3 percent drier. 20-foot winds.......Southwest winds 15 to 20 mph with gusts to around 35 mph. Ridge top winds.....Southwest around 20 mph. Chc of wetting rain.10 percent. Transport winds.....Southwest around 20 mph. Mixing Height.......9200-11200 ft agl. Smoke dispersal.....Excellent. .TONIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....43-48. 24 hr trend......3 degrees warmer. Max humidity........55-61 percent. 24 hr trend......28 percent drier. Humidity recovery...Moderate. 20-foot winds.......West winds around 15 mph until 2100, then northeast. Gusts up to 30 mph. Ridge top winds.....Northeast 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 20 mph until 2400, then southeast. Mixing Height.......3800-5800 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Good until 2400, then poor. .FRIDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Scattered showers early in the afternoon. Isolated thunderstorms in the afternoon. Isolated showers late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...20 percent. Max temperature.....67-72. 24 hr trend......2 degrees cooler. Min humidity........21-27 percent. 24 hr trend......1 percent drier. 20-foot winds.......South winds around 10 mph with higher gusts until 1200, then west around 20 mph with gusts to around 35 mph. Ridge top winds.....Southwest around 15 mph until 1200, then west around 25 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....South around 15 mph until 1200, then west around 25 mph. Mixing Height.......4000-6000 ft agl until 1200, then 9400-11400 ft agl. Smoke dispersal.....Good until 1200, then excellent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows in the mid 40s. Northwest winds around 10 mph. .SATURDAY...Partly cloudy with chance of showers and thunderstorms. Lows in the lower 40s. Highs around 70. West winds around 10 mph. .SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the upper 60s. West winds around 10 mph. .MONDAY...Partly cloudy. Lows in the mid 40s. Highs in the lower 70s. Southwest winds around 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the mid 40s. Highs 70 to 75. $$ WYZ288-012145- East Wind River Mountains/South Shoshone NF- Including the cities of Dubois and South Pass 131 PM MDT Thu Jul 31 2025 .REST OF TODAY... Sky/weather.........Partly cloudy. Scattered showers and thunderstorms. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....71-76. 24 hr trend......3 degrees warmer. Min humidity........24-30 percent. 24 hr trend......11 percent drier. 20-foot winds.......South winds 15 to 20 mph with gusts to around 40 mph. Ridge top winds.....Southwest around 20 mph. Chc of wetting rain.15 percent. Transport winds.....Southwest around 20 mph. Mixing Height.......7600-9600 ft agl. Smoke dispersal.....Very good to excellent. .TONIGHT... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....45-50. 24 hr trend......4 degrees warmer. Max humidity........62-68 percent. 24 hr trend......30 percent drier. Humidity recovery...Good. 20-foot winds.......Southwest winds around 15 mph until 2100, then east until 0300, then west. Gusts up to 30 mph. Ridge top winds.....South around 20 mph until 2400, then west. Chc of wetting rain.Zero percent. Transport winds.....Southwest 15 to 20 mph. Mixing Height.......2800-4800 ft agl until 2400, then 400-800 ft agl. Smoke dispersal.....Good until 2400, then poor. .FRIDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Scattered showers and isolated thunderstorms in the afternoon. Chance of precipitation 50 percent. Chance of thunder...20 percent. Max temperature.....70-75. 24 hr trend......1 degree cooler. Min humidity........20-26 percent. 24 hr trend......6 percent drier. 20-foot winds.......Southwest winds 10 to 15 mph with gusts to around 40 mph until 1500, then west around 20 mph with gusts to around 40 mph. Ridge top winds.....West around 15 mph until 1200, then around 25 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....Southwest around 15 mph until 1200, then west around 25 mph. Mixing Height.......4400-6400 ft agl until 1200, then 10400-12400 ft agl. Smoke dispersal.....Good until 1200, then excellent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. West winds around 10 mph. .SATURDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the upper 40s. Highs in the lower 70s. West winds around 10 mph. .SUNDAY THROUGH MONDAY...Mostly clear with slight chance of showers and thunderstorms. Lows 47 to 52. Highs 72 to 77. Southwest winds around 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows around 50. Highs 74 to 79. $$ WYZ414-012145- Salt and Wyoming Ranges/West Zone Bridger Teton NF- Including the city of Afton 131 PM MDT Thu Jul 31 2025 .REST OF TODAY... Sky/weather.........Partly cloudy. Scattered thunderstorms early in the afternoon. Scattered showers early in the afternoon, then isolated showers late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...10 percent. Max temperature.....76-81. 24 hr trend......Unchanged. Min humidity........15-21 percent. 24 hr trend......7 percent drier. 20-foot winds.......Southwest winds around 15 mph with gusts to around 25 mph. Ridge top winds.....Southwest around 20 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 20 mph. Mixing Height.......11600-13600 ft agl. Smoke dispersal.....Excellent. .TONIGHT... Sky/weather.........Mostly clear. Chance of thunder...0 percent. Min temperature.....43-48. 24 hr trend......1 degree warmer. Max humidity........60-66 percent. 24 hr trend......30 percent drier. Humidity recovery...Good. 20-foot winds.......West winds 10 to 15 mph with gusts to around 25 mph until 2400, then downslope/downvalley 4-7 mph. Ridge top winds.....West around 15 mph until 2400, then southeast. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 15 mph until 2400, then south. Mixing Height.......5400-7400 ft agl until 2400, then 400-1000 ft agl. Smoke dispersal.....Very good until 2400, then poor. .FRIDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Isolated showers and thunderstorms late in the afternoon. Chance of precipitation 20 percent. Chance of thunder...10 percent. Max temperature.....72-77. 24 hr trend......2 degrees cooler. Min humidity........17-23 percent. 24 hr trend......4 percent wetter. 20-foot winds.......Upslope/upvalley 5-9 mph until 0900, then southwest around 10 mph until 1200, then west around 20 mph. Gusts up to 30 mph. Ridge top winds.....Southwest around 15 mph until 1200, then west around 25 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 15 mph until 1200, then west around 25 mph. Mixing Height.......4000-6000 ft agl until 1200, then 10600-12600 ft agl. Smoke dispersal.....Good until 1200, then excellent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. Winds generally less than 10 mph. .SATURDAY...Mostly clear with chance of showers and slight chance of thunderstorms. Lows in the mid 40s. Highs in the mid 70s. Winds generally less than 10 mph. .SUNDAY THROUGH MONDAY...Mostly clear. Lows in the mid 40s. Highs 73 to 78. Southwest winds around 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 40s. Highs 73 to 78. $$ WYZ277>279-012145- 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 131 PM MDT Thu Jul 31 2025 .REST OF TODAY... Sky/weather.........Partly cloudy. Isolated showers early in the afternoon. Chance of showers 20 percent. Chance of thunder...0 percent. Max temperature.....77-82. 24 hr trend......Unchanged. Min humidity........14-20 percent. 24 hr trend......3 percent drier. 20-foot winds.......Southwest winds 15 to 20 mph with gusts to around 35 mph. Ridge top winds.....Southwest around 25 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 25 mph. Mixing Height.......11400-13400 ft agl. Smoke dispersal.....Excellent. .TONIGHT... Sky/weather.........Partly cloudy. Chance of thunder...0 percent. Min temperature.....44-49. 24 hr trend......2 degrees cooler. Max humidity........55-61 percent. 24 hr trend......19 percent drier. Humidity recovery...Moderate. 20-foot winds.......West winds 10 to 15 mph with gusts to around 35 mph until 2400, then northeast and gusty. Ridge top winds.....West around 20 mph until 2400, then northeast. Chc of wetting rain.Zero percent. Transport winds.....Southwest around 20 mph until 2400, then southeast. Mixing Height.......5400-7400 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Very good until 2400, then poor. .FRIDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Isolated showers early in the afternoon. Chance of showers 20 percent. Chance of thunder...0 percent. Max temperature.....75-80. 24 hr trend......1 degree cooler. Min humidity........16-22 percent. 24 hr trend......1 percent drier. 20-foot winds.......Southeast winds around 10 mph until 0900, then southwest until 1500, then west around 20 mph. Gusts up to 30 mph. Ridge top winds.....Southwest 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 15 to 20 mph. Mixing Height.......3400-5400 ft agl until 1200, then 12800-14800 ft agl. Smoke dispersal.....Fair to good until 1200, then excellent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows in the upper 40s. Winds generally less than 10 mph. .SATURDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the lower 80s. Winds generally less than 10 mph. .SUNDAY THROUGH MONDAY...Mostly clear. Lows in the upper 40s. Highs 81 to 86. Southwest winds around 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the upper 40s. Highs in the mid 80s. $$ WYZ289-012145- Granite/Green/Ferris/Rattlesnake Mountains- Including the city of Jeffrey City 131 PM MDT Thu Jul 31 2025 .REST OF TODAY... Sky/weather.........Partly cloudy. Scattered showers and thunderstorms. Chance of precipitation 50 percent. Chance of thunder...30 percent. Max temperature.....78-83. 24 hr trend......2 degrees warmer. Min humidity........22-28 percent. 24 hr trend......4 percent drier. 20-foot winds.......Southwest winds 15 to 20 mph with gusts to around 40 mph. Ridge top winds.....Southwest around 20 mph. Chc of wetting rain.15 percent. Transport winds.....Southwest around 20 mph. Mixing Height.......7800-9800 ft agl. Smoke dispersal.....Very good to excellent. .TONIGHT... Sky/weather.........Partly cloudy. Isolated showers and thunderstorms early in the evening. Chance of precipitation 20 percent. Chance of thunder...10 percent. Min temperature.....51-56. 24 hr trend......1 degree warmer. Max humidity........65-71 percent. 24 hr trend......18 percent drier. Humidity recovery...Good. 20-foot winds.......East winds 10 to 15 mph with gusts to around 30 mph. Ridge top winds.....East 15 to 20 mph. Chc of wetting rain.Less than 5 percent. Transport winds.....Southeast 15 to 20 mph. Mixing Height.......2600-4600 ft agl until 2400, then 400-600 ft agl. Smoke dispersal.....Good until 2400, then poor. .FRIDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Chance of thunder...0 percent. Max temperature.....78-83. 24 hr trend......Unchanged. Min humidity........14-20 percent. 24 hr trend......8 percent drier. 20-foot winds.......Southwest winds 10 to 15 mph with gusts to around 35 mph until 1500, then northwest around 20 mph with gusts to around 35 mph. Ridge top winds.....West 15 to 20 mph. Chc of wetting rain.Zero percent. Transport winds.....Southwest 15 to 20 mph. Mixing Height.......2200-4200 ft agl until 1200, then 11800-13800 ft agl. Smoke dispersal.....Poor to fair until 1200, then excellent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. Winds generally less than 10 mph. .SATURDAY THROUGH SUNDAY...Mostly clear with slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the lower 80s. Northwest winds around 10 mph. .MONDAY...Mostly clear. Lows in the mid 50s. Highs in the mid 80s. South winds around 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the upper 80s. $$ WYZ300-012145- Casper Mountain- 131 PM MDT Thu Jul 31 2025 .REST OF TODAY... Sky/weather.........Partly cloudy. Scattered showers and thunderstorms late in the afternoon. Some thunderstorms may be severe late in the afternoon. Chance of precipitation 50 percent. Chance of thunder...40 percent. Max temperature.....76-81. 24 hr trend......4 degrees warmer. Min humidity........37-43 percent. 24 hr trend......7 percent drier. 20-foot winds.......West winds around 10 mph until 1500, then north. Gusts up to 30 mph. Ridge top winds.....Northwest around 15 mph. Chc of wetting rain.15 percent. Transport winds.....West around 15 mph. Mixing Height.......6200-8200 ft agl. Smoke dispersal.....Good to very good. .TONIGHT... Sky/weather.........Partly cloudy. Scattered showers and thunderstorms early in the evening, then isolated showers and thunderstorms early in the evening. Some thunderstorms may be severe. Chance of precipitation 50 percent. Chance of thunder...30 percent. Min temperature.....51-56. 24 hr trend......3 degrees warmer. Max humidity........66-72 percent. 24 hr trend......27 percent drier. Humidity recovery...Good. 20-foot winds.......Breezy. Southeast winds 20 to 25 mph with gusts to around 40 mph until 0300, then around 15 mph with gusts to around 35 mph. Ridge top winds.....Southeast around 25 mph. Chc of wetting rain.15 percent until 2400, then zero percent. Transport winds.....Southeast around 25 mph. Mixing Height.......600-2600 ft agl until 2400, then 200-600 ft agl. Smoke dispersal.....Poor. .FRIDAY... Sky/weather.........Mostly sunny then becoming partly cloudy. Isolated showers and thunderstorms early in the afternoon. Chance of precipitation 20 percent. Chance of thunder...20 percent. Max temperature.....76-81. 24 hr trend......Unchanged. Min humidity........22-28 percent. 24 hr trend......13 percent drier. 20-foot winds.......South winds around 10 mph with gusts to around 25 mph until 0900, then west 15 to 20 mph with gusts to around 35 mph until 1500, then northwest with gusts to around 35 mph. Ridge top winds.....Southwest around 15 mph until 1200, then west. Chc of wetting rain.Zero percent. Transport winds.....Southwest 15 to 20 mph. Mixing Height.......2400-4400 ft agl until 1200, then 10800-12800 ft agl. Smoke dispersal.....Fair to good until 1200, then excellent. .Forecast days 3 through 7...... .FRIDAY NIGHT...Mostly clear. Lows in the lower 50s. Southeast winds around 10 mph. .SATURDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs around 80. Winds generally less than 10 mph. .SUNDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. North winds around 10 mph. .MONDAY...Mostly clear. Lows in the upper 50s. Highs in the lower 80s. South winds around 10 mph. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid 80s. $$