


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Rapid City, SD
Issued by NWS Rapid City, SD
530 FNUS53 KUNR 210949 FWFUNR Fire Weather Planning Forecast for NE Wyoming and WRN South Dakota National Weather Service Rapid City SD 349 AM MDT Thu Aug 21 2025 .DISCUSSION... A cold front will move slowly through the area today. Ahead of the front across southwestern and south central South Dakota, it will be hot with elevated fire weather conditions. Behind the front, it will be a little cooler, with gusty north winds of 15 to 20 mph. Scattered showers and thunderstorms are expected through Friday evening. The Black Hills, northeastern Wyoming and southwestern South Dakota have the highest probability to receive a wetting rain. Cooler and drier conditions are expected this weekend and most of next week. WYZ314-212300- Northern Campbell- Including Gillette and Weston 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Sunny. Slight chance of showers and thunderstorms. Chc of wetting rain.0 percent. Max temperature.....Around 87. Min humidity........33 percent. 20-foot winds.......North 10 to 15 mph with gusts to around 25 mph. Transport winds.....North 25 to 30 mph. Smoke dispersal.....Fair increasing to very good in the afternoon. Mixing height.......5100 to 6400 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms. Chc of wetting rain.30 percent. Min temperature.....Around 58. Max humidity........93-99 percent. 20-foot winds.......Northeast 10 to 15 mph. Transport winds.....Northeast 15 to 20 mph. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .FRIDAY... Sky/weather.........Partly sunny. Chance of rain showers in the morning. Slight chance of thunderstorms through the day. Slight chance of rain showers in the afternoon. Chc of wetting rain.20 percent. Max temperature.....Around 78. Min humidity........39-51 percent. 20-foot winds.......Northeast 10 to 15 mph. Transport winds.....Northeast 15 to 20 mph. Smoke dispersal.....Poor increasing to good in the afternoon. Mixing height.......4800 to 6000 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. East winds 10 to 15 mph. .SUNDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid 70s. Northeast winds around 10 mph. .MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid 70s. Southeast winds 10 to 15 mph. .TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. $$ WYZ315-212300- Southern Campbell- Including Wright and Savageton 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms. Chc of wetting rain.0 percent. Max temperature.....Around 86. Min humidity........34 percent. 20-foot winds.......North 10 to 20 mph. Transport winds.....North 25 to 30 mph. Smoke dispersal.....Fair increasing to very good in the afternoon. Mixing height.......4900 to 6200 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms. Chc of wetting rain.30 percent. Min temperature.....Around 56. Max humidity........95-100 percent. 20-foot winds.......Northeast 10 to 15 mph. Transport winds.....Northeast 15 to 20 mph. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .FRIDAY... Sky/weather.........Partly sunny. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Chc of wetting rain.30 percent. Max temperature.....Around 78. Min humidity........51-57 percent. 20-foot winds.......Northeast 10 to 15 mph. Transport winds.....Northeast 15 to 20 mph. Smoke dispersal.....Poor increasing to good in the afternoon. Mixing height.......4500 to 5700 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. East winds 10 to 15 mph. .SUNDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid 70s. East winds around 10 mph. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows around 50. Highs in the lower 70s. Southeast winds around 15 mph. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the mid 70s. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the upper 70s. $$ WYZ316-212300- Crook County Plains- Including Moorcroft, Devils Tower, Hulett, and New Haven 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 86. Min humidity........35 percent. 20-foot winds.......North 10 to 15 mph. Transport winds.....North 20 to 25 mph. Smoke dispersal.....Fair increasing to good in the afternoon. Mixing height.......5100 to 6400 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Chc of wetting rain.40 percent. Min temperature.....Around 57. Max humidity........99 percent. 20-foot winds.......Northeast 5 to 10 mph. Gusts to around 20 mph in the evening. Transport winds.....Northeast 15 to 20 mph. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .FRIDAY... Sky/weather.........Mostly sunny. Chance of showers and thunderstorms. Chc of wetting rain.30 percent. Max temperature.....Around 76. Min humidity........44-54 percent. 20-foot winds.......Northeast 5 to 10 mph. Transport winds.....Northeast 15 to 20 mph. Smoke dispersal.....Fair. Mixing height.......4400 to 5500 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. Northeast winds around 10 mph. .SUNDAY...Mostly clear. Lows around 50. Highs in the mid 70s. Northeast winds around 10 mph. .MONDAY...Partly cloudy. Lows in the upper 40s. Highs in the mid 70s. Southeast winds around 10 mph. .TUESDAY...Partly cloudy. Lows in the upper 40s. Highs in the mid 70s. .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. $$ WYZ317-212300- Weston County Plains- Including Newcastle, Upton, and Rochelle 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms through the day. Chc of wetting rain.0 percent. Max temperature.....Around 89. Min humidity........22-30 percent. 20-foot winds.......North 10 to 15 mph with gusts to around 25 mph. Transport winds.....North 25 to 30 mph. Smoke dispersal.....Fair increasing to very good in the afternoon. Mixing height.......6300 to 7900 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms. Chc of wetting rain.40 percent. Min temperature.....Around 58. Max humidity........86-96 percent. 20-foot winds.......Northeast 10 to 15 mph. Transport winds.....Northeast 15 to 20 mph. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .FRIDAY... Sky/weather.........Partly sunny. Rain showers likely in the morning. Chance of thunderstorms through the day. Chance of rain showers in the afternoon. Chc of wetting rain.40 percent. Max temperature.....Around 79. Min humidity........41-51 percent. 20-foot winds.......Northeast 5 to 10 mph. Transport winds.....East 15 to 20 mph. Smoke dispersal.....Fair. Mixing height.......4800 to 6100 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Southeast winds around 10 mph. .SUNDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. East winds 10 to 15 mph. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows around 50. Highs in the lower 70s. Southeast winds around 15 mph. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows around 50. Highs in the mid 70s. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows around 50. Highs in the upper 70s. $$ WYZ318-212300- Wyoming Black Hills- Including Sundance and Four Corners 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms. Chc of wetting rain.0 percent. Max temperature.....79-85. Min humidity........36-44 percent. 20-foot winds.......North 10 to 15 mph. Transport winds.....North around 20 mph. Smoke dispersal.....Good. Mixing height.......4800 to 6100 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Chc of wetting rain.40 percent. Min temperature.....Around 56. Max humidity........90-100 percent. 20-foot winds.......Northeast 5 to 10 mph. Gusts to around 20 mph in the evening. Transport winds.....Northeast around 20 mph. Smoke dispersal.....Poor. Mixing height.......200 to 300 ft agl. .FRIDAY... Sky/weather.........Partly sunny. Rain showers likely in the morning. Chance of thunderstorms through the day. Chance of rain showers in the afternoon. Chc of wetting rain.40 percent. Max temperature.....69-75. Min humidity........55-69 percent. 20-foot winds.......Northeast 5 to 10 mph. Transport winds.....Northeast 15 to 20 mph. Smoke dispersal.....Fair. Mixing height.......4200 to 5300 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows around 50. Highs around 70. Northeast winds around 10 mph. .SUNDAY...Partly cloudy. Lows around 50. Highs in the lower 70s. Northeast winds around 10 mph. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the upper 60s. Southeast winds around 10 mph. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs around 70. .WEDNESDAY...Partly cloudy. Lows around 50. Highs in the lower 70s. $$ SDZ327-212300- Butte County Area- Including Belle Fourche, Colony, and Newell 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 88. Min humidity........37 percent. 20-foot winds.......North 15 to 25 mph with gusts to around 35 mph. Transport winds.....North 30 to 35 mph. Smoke dispersal.....Fair increasing to very good in the afternoon. Mixing height.......5100 to 6400 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Chc of wetting rain.40 percent. Min temperature.....Around 60. Max humidity........88-98 percent. 20-foot winds.......North 10 to 20 mph. Gusts to around 30 mph in the evening. Transport winds.....Northeast around 30 mph becoming north around 15 mph after midnight. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .FRIDAY... Sky/weather.........Mostly sunny. Chance of rain showers in the morning. Slight chance of thunderstorms through the day. Slight chance of rain showers in the afternoon. Chc of wetting rain.20 percent. Max temperature.....Around 78. Min humidity........40-50 percent. 20-foot winds.......North 10 to 15 mph. Gusts to around 25 mph in the afternoon. Transport winds.....North 15 to 20 mph. Smoke dispersal.....Poor increasing to good in the afternoon. Mixing height.......5000 to 6300 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Mostly clear. Slight chance of showers. Lows in the lower 50s. Highs in the mid 70s. North winds around 15 mph. .SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the mid 70s. East winds around 15 mph. .MONDAY...Partly cloudy. Lows in the upper 40s. Highs in the lower 70s. East winds 15 to 20 mph. .TUESDAY...Partly cloudy. Lows around 50. Highs in the mid 70s. .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. $$ SDZ319-212300- Northern Black Hills- Including Lead, Deadwood, and Rochford 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms through the day. Chc of wetting rain.0 percent. Max temperature.....75-81. Min humidity........39-49 percent. 20-foot winds.......North 10 to 15 mph. Transport winds.....Northwest around 20 mph shifting to the north in the afternoon. Smoke dispersal.....Fair. Mixing height.......3800 to 4800 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Chc of wetting rain.40 percent. Min temperature.....48-54. Max humidity........94-100 percent. 20-foot winds.......Northeast 5 to 10 mph. Gusts to around 20 mph in the evening. Transport winds.....Northeast 15 to 20 mph. Smoke dispersal.....Poor. Mixing height.......200 to 300 ft agl. .FRIDAY... Sky/weather.........Partly sunny. Rain showers likely and chance of thunderstorms. Chc of wetting rain.50 percent. Max temperature.....65-71. Min humidity........67-77 percent. 20-foot winds.......Northeast 5 to 10 mph. Transport winds.....North around 15 mph. Smoke dispersal.....Poor. Mixing height.......3400 to 4300 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the mid 40s. Highs in the mid 60s. North winds 5 to 10 mph. .SUNDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid 60s. Northeast winds 5 to 10 mph. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the mid 60s. Southeast winds around 10 mph. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 40s. Highs in the mid 60s. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. $$ SDZ320-212300- Central Black Hills- Including Custer, Hill City, and Keystone 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms through the day. Chc of wetting rain.0 percent. Max temperature.....79-85. Min humidity........32-38 percent. 20-foot winds.......North 10 to 15 mph with gusts to around 30 mph. Transport winds.....North 20 to 25 mph. Smoke dispersal.....Good. Mixing height.......4600 to 5800 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms through the night. Chc of wetting rain.40 percent. Min temperature.....51-57. Max humidity........87-99 percent. 20-foot winds.......North 10 to 15 mph. Gusts to around 25 mph in the evening. Transport winds.....Northeast 15 to 20 mph. Smoke dispersal.....Poor. Mixing height.......200 to 300 ft agl. .FRIDAY... Sky/weather.........Partly sunny. Rain showers likely and chance of thunderstorms. Chc of wetting rain.60 percent. Max temperature.....68-74. Min humidity........57-67 percent. 20-foot winds.......Northeast 5 to 10 mph. Transport winds.....North around 15 mph. Smoke dispersal.....Fair. Mixing height.......3600 to 4600 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the upper 40s. Highs in the upper 60s. Northeast winds around 10 mph. .SUNDAY...Partly cloudy. Slight chance of showers. Lows in the upper 40s. Highs in the upper 60s. Northeast winds around 10 mph. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the mid 60s. Southeast winds around 10 mph. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the mid 60s. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the upper 60s. $$ SDZ321-212300- Southern Black Hills- Including Pringle, Custer State Park, and Wind Cave 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Chc of wetting rain.0 percent. Max temperature.....Around 89. Min humidity........28 percent. 20-foot winds.......Northeast 10 to 20 mph. Gusts to around 30 mph in the afternoon. Transport winds.....North 20 to 25 mph. Smoke dispersal.....Fair increasing to very good in the afternoon. Mixing height.......5200 to 6600 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms through the night. Chc of wetting rain.30 percent. Min temperature.....Around 60. Max humidity........77-87 percent. 20-foot winds.......Northeast 10 to 20 mph. Gusts to around 30 mph in the evening. Transport winds.....Northeast 20 to 25 mph. Smoke dispersal.....Poor. Mixing height.......300 to 400 ft agl. .FRIDAY... Sky/weather.........Partly sunny. Slight chance of thunderstorms in the morning. Rain showers likely through the day. Chance of thunderstorms in the afternoon. Chc of wetting rain.50 percent. Max temperature.....Around 76. Min humidity........52-58 percent. 20-foot winds.......Northeast 10 to 15 mph. Transport winds.....Northeast around 20 mph. Smoke dispersal.....Fair. Mixing height.......4100 to 5200 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the mid 50s. Highs in the lower 70s. East winds around 10 mph. .SUNDAY...Partly cloudy. Slight chance of showers. Lows in the lower 50s. Highs in the lower 70s. East winds 10 to 15 mph. .MONDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows around 50. Highs in the upper 60s. East winds 10 to 15 mph. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs around 70. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. $$ SDZ322-212300- Fall River County Area- Including Hot Springs, Edgemont, and Ardmore 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Sunny. Slight chance of showers and thunderstorms in the afternoon. Chc of wetting rain.0 percent. Max temperature.....Around 94. Min humidity........24 percent. 20-foot winds.......Northwest 10 to 15 mph shifting to the northeast 15 to 25 mph with gusts to around 35 mph in the afternoon. Transport winds.....Northwest around 20 mph increasing to northeast around 35 mph in the afternoon. Smoke dispersal.....Poor increasing to excellent in the afternoon. Mixing height.......6600 to 8300 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms. Chc of wetting rain.30 percent. Min temperature.....Around 63. Max humidity........78-86 percent. 20-foot winds.......Northeast 15 to 25 mph with gusts to around 35 mph decreasing to 10 to 15 mph with gusts to around 25 mph after midnight. Transport winds.....Northeast around 35 mph decreasing to around 20 mph after midnight. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .FRIDAY... Sky/weather.........Partly sunny. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Chc of wetting rain.30 percent. Max temperature.....Around 81. Min humidity........42-48 percent. 20-foot winds.......Northeast 10 to 15 mph with gusts to around 25 mph. Transport winds.....East around 20 mph. Smoke dispersal.....Good. Mixing height.......4400 to 5600 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. East winds around 15 mph. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. East winds around 15 mph. .MONDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the mid 70s. East winds around 15 mph. .TUESDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. $$ SDZ323-212300- Northern Foot Hills- Including Spearfish and Sturgis 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms. Chc of wetting rain.0 percent. Max temperature.....Around 86. Min humidity........40 percent. 20-foot winds.......Northwest 15 to 20 mph shifting to the north 10 to 20 mph in the afternoon. Gusts to around 30 mph. Transport winds.....North around 30 mph. Smoke dispersal.....Fair increasing to very good in the afternoon. Mixing height.......4500 to 5700 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Chc of wetting rain.40 percent. Min temperature.....Around 60. Max humidity........88-96 percent. 20-foot winds.......Northeast 10 to 15 mph with gusts to around 25 mph shifting to the west 5 to 10 mph after midnight. Transport winds.....Northeast around 20 mph shifting to the northwest after midnight. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .FRIDAY... Sky/weather.........Mostly sunny. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. Chc of wetting rain.40 percent. Max temperature.....Around 76. Min humidity........55-63 percent. 20-foot winds.......Northeast 5 to 10 mph. Gusts to around 20 mph in the afternoon. Transport winds.....North around 15 mph. Smoke dispersal.....Fair. Mixing height.......4100 to 5200 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Mostly clear. Chance of showers and slight chance of thunderstorms. Lows in the lower 50s. Highs in the mid 70s. North winds around 10 mph. .SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the lower 70s. East winds 10 to 15 mph. .MONDAY...Partly cloudy. Lows around 50. Highs in the lower 70s. East winds around 15 mph. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the lower 70s. .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. $$ SDZ324-212300- Eastern Foot Hills- Including Rapid City and Piedmont 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms through the day. Chc of wetting rain.0 percent. Max temperature.....Around 88. Min humidity........36 percent. 20-foot winds.......North 10 to 20 mph with gusts to around 35 mph. Transport winds.....Northwest around 30 mph. Smoke dispersal.....Fair increasing to very good in the afternoon. Mixing height.......4200 to 5300 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms through the night. Chc of wetting rain.30 percent. Min temperature.....Around 61. Max humidity........88 percent. 20-foot winds.......North 15 to 20 mph with gusts to around 30 mph becoming northwest 5 to 10 mph with gusts to around 20 mph after midnight. Transport winds.....North around 30 mph becoming northwest around 15 mph after midnight. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .FRIDAY... Sky/weather.........Mostly sunny. Slight chance of thunderstorms in the morning. Showers likely through the day. Chance of thunderstorms in the afternoon. Chc of wetting rain.50 percent. Max temperature.....Around 78. Min humidity........54-60 percent. 20-foot winds.......North 5 to 10 mph with gusts to around 20 mph. Transport winds.....North around 15 mph. Smoke dispersal.....Fair. Mixing height.......4300 to 5400 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the mid 50s. Highs in the mid 70s. Northeast winds around 10 mph. .SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the mid 70s. Northeast winds around 10 mph. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows around 50. Highs in the lower 70s. Southeast winds 10 to 15 mph. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows around 50. Highs in the mid 70s. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. $$ SDZ325-212300- Custer County Plains- Including Hermosa, Fairburn, Buffalo Gap, and Folsom 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Sunny. Slight chance of showers and thunderstorms in the afternoon. Chc of wetting rain.0 percent. Max temperature.....Around 92. Min humidity........27-33 percent. 20-foot winds.......North 15 to 25 mph with gusts to around 35 mph. Transport winds.....West around 30 mph shifting to the north in the afternoon. Smoke dispersal.....Fair increasing to very good in the afternoon. Mixing height.......4000 to 5000 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms through the night. Chc of wetting rain.30 percent. Min temperature.....Around 62. Max humidity........84-90 percent. 20-foot winds.......North 15 to 25 mph with gusts to around 35 mph decreasing to 10 to 15 mph with gusts to around 25 mph after midnight. Transport winds.....North around 35 mph decreasing to around 20 mph after midnight. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .FRIDAY... Sky/weather.........Partly sunny. Showers likely and slight chance of thunderstorms in the morning, then chance of showers and thunderstorms in the afternoon. Chc of wetting rain.40 percent. Max temperature.....Around 81. Min humidity........47-55 percent. 20-foot winds.......Northeast 10 to 15 mph with gusts to around 25 mph. Transport winds.....North 15 to 20 mph. Smoke dispersal.....Good. Mixing height.......4500 to 5700 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. Northeast winds around 10 mph. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. Northeast winds 10 to 15 mph. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows around 50. Highs in the mid 70s. East winds around 15 mph. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. $$ SDZ326-212300- Pine Ridge Area- Including Pine Ridge, Oelrichs, Batesland, and Kyle 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Sunny. Slight chance of showers and thunderstorms in the afternoon. Chc of wetting rain.0 percent. Max temperature.....Around 96. Min humidity........23 percent. 20-foot winds.......Southwest 10 to 15 mph with gusts to around 25 mph shifting to the north 15 to 25 mph with gusts to around 35 mph in the afternoon. Transport winds.....Southwest around 25 mph increasing to north around 35 mph in the afternoon. Smoke dispersal.....Fair increasing to excellent in the afternoon. Mixing height.......7000 to 8800 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Chance of showers and thunderstorms. Chc of wetting rain.30 percent. Min temperature.....Around 63. Max humidity........88 percent. 20-foot winds.......Northeast 15 to 25 mph with gusts to around 35 mph shifting to the north 10 to 15 mph with gusts to around 25 mph after midnight. Transport winds.....Northeast around 35 mph becoming north around 20 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .FRIDAY... Sky/weather.........Partly sunny. Slight chance of thunderstorms in the morning. Chance of showers through the day. Chance of thunderstorms in the afternoon. Chc of wetting rain.30 percent. Max temperature.....Around 82. Min humidity........44 percent. 20-foot winds.......Northeast 10 to 15 mph with gusts to around 25 mph. Transport winds.....Northeast around 20 mph. Smoke dispersal.....Fair increasing to good in the afternoon. Mixing height.......4500 to 5700 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. Northeast winds 10 to 15 mph. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. Northeast winds 10 to 15 mph. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. Southeast winds around 15 mph. .TUESDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. $$ SDZ328-212300- Perkins County- Including Lemmon and Bison 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Partly sunny then becoming sunny. Slight chance of showers and thunderstorms through the day. Chc of wetting rain.0 percent. Max temperature.....Around 89. Min humidity........35 percent. 20-foot winds.......North 15 to 20 mph with gusts to around 35 mph. Transport winds.....North around 30 mph. Smoke dispersal.....Fair increasing to very good in the afternoon. Mixing height.......4400 to 5600 ft agl. .TONIGHT... Sky/weather.........Partly cloudy then becoming mostly cloudy. Slight chance of showers and thunderstorms in the evening, then chance of showers and thunderstorms after midnight. Chc of wetting rain.20 percent. Min temperature.....Around 59. Max humidity........83 percent. 20-foot winds.......North 10 to 20 mph. Gusts to around 30 mph in the evening. Transport winds.....Northeast around 25 mph decreasing to around 15 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .FRIDAY... Sky/weather.........Mostly sunny. Slight chance of rain showers in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 81. Min humidity........30 percent. 20-foot winds.......Northwest 10 to 15 mph with gusts to around 25 mph. Transport winds.....North around 15 mph increasing to northwest around 30 mph in the afternoon. Smoke dispersal.....Fair increasing to very good in the afternoon. Mixing height.......5700 to 7200 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Mostly clear. Lows in the lower 50s. Highs in the mid 70s. Northwest winds around 15 mph. .SUNDAY...Mostly clear. Lows in the upper 40s. Highs in the lower 70s. North winds 10 to 15 mph. .MONDAY...Mostly clear. Lows in the mid 40s. Highs in the lower 70s. Southeast winds around 15 mph. .TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the mid 70s. .WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. $$ SDZ329-212300- West Central Plains- Including Faith, Ellsworth AFB, New Underwood, and Wall 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms. Chc of wetting rain.0 percent. Max temperature.....Around 91. Min humidity........30-36 percent. 20-foot winds.......North 15 to 25 mph with gusts to around 35 mph. Transport winds.....West around 30 mph shifting to the north in the afternoon. Smoke dispersal.....Fair increasing to very good in the afternoon. Mixing height.......4400 to 5500 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of showers and thunderstorms in the evening, then chance of showers and thunderstorms after midnight. Chc of wetting rain.30 percent. Min temperature.....Around 62. Max humidity........79-87 percent. 20-foot winds.......North 10 to 20 mph. Gusts to around 30 mph in the evening. Transport winds.....Northeast around 30 mph becoming north around 20 mph after midnight. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .FRIDAY... Sky/weather.........Mostly sunny. Chance of showers in the morning. Slight chance of thunderstorms through the day. Slight chance of showers in the afternoon. Chc of wetting rain.20 percent. Max temperature.....Around 82. Min humidity........38-48 percent. 20-foot winds.......North 10 to 15 mph. Transport winds.....North around 20 mph. Smoke dispersal.....Poor increasing to good in the afternoon. Mixing height.......5300 to 6700 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. North winds around 15 mph. .SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the mid 70s. Northeast winds around 15 mph. .MONDAY...Partly cloudy. Lows in the upper 40s. Highs in the mid 70s. Southeast winds 15 to 20 mph. .TUESDAY...Partly cloudy. Slight chance of showers. Lows in the lower 50s. Highs in the mid 70s. .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs around 80. $$ SDZ332-212300- Badlands Area- Including Interior, Scenic, Rockyford, and Wanblee 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Sunny. Slight chance of showers and thunderstorms in the afternoon. Chc of wetting rain.0 percent. Max temperature.....Around 97. Min humidity........24 percent. 20-foot winds.......Southwest 10 to 15 mph shifting to the north 15 to 25 mph in the afternoon. Gusts to around 35 mph. Transport winds.....Southwest around 25 mph increasing to north around 35 mph in the afternoon. Smoke dispersal.....Good increasing to excellent in the afternoon. Mixing height.......7200 to 9100 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of showers and thunderstorms in the evening, then chance of showers and thunderstorms after midnight. Chc of wetting rain.20 percent. Min temperature.....Around 64. Max humidity........82-88 percent. 20-foot winds.......North 15 to 25 mph with gusts to around 35 mph decreasing to 10 to 15 mph with gusts to around 25 mph after midnight. Transport winds.....North around 35 mph decreasing to around 20 mph after midnight. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .FRIDAY... Sky/weather.........Partly sunny. Chance of showers and thunderstorms in the morning, then slight chance of showers and thunderstorms in the afternoon. Chc of wetting rain.30 percent. Max temperature.....Around 84. Min humidity........42 percent. 20-foot winds.......Northeast 10 to 15 mph with gusts to around 25 mph. Transport winds.....North around 20 mph. Smoke dispersal.....Fair increasing to very good in the afternoon. Mixing height.......5000 to 6300 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. North winds 10 to 15 mph. .SUNDAY...Partly cloudy. Lows in the mid 50s. Highs in the upper 70s. Northeast winds around 15 mph. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows around 50. Highs in the mid 70s. East winds around 15 mph. .TUESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 80s. $$ SDZ333-212300- Bennett County Area- Including Martin, Tuthill, Allen, and Long Valley 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Sunny. Slight chance of showers and thunderstorms in the afternoon. Chc of wetting rain.0 percent. Max temperature.....Around 98. Min humidity........21 percent. 20-foot winds.......Southwest 10 to 20 mph shifting to the north 15 to 20 mph in the afternoon. Gusts to around 30 mph. Transport winds.....Southwest around 25 mph shifting to the west in the afternoon. Smoke dispersal.....Good increasing to excellent in the afternoon. Mixing height.......7000 to 8800 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of showers and thunderstorms in the evening, then chance of showers and thunderstorms after midnight. Chc of wetting rain.20 percent. Min temperature.....Around 63. Max humidity........89 percent. 20-foot winds.......North 10 to 20 mph with gusts to around 30 mph. Transport winds.....North around 30 mph decreasing to around 20 mph after midnight. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .FRIDAY... Sky/weather.........Mostly cloudy then becoming mostly sunny. Chance of thunderstorms in the morning. Chance of showers through the day. Slight chance of thunderstorms in the afternoon. Chc of wetting rain.30 percent. Max temperature.....Around 82. Min humidity........46 percent. 20-foot winds.......Northeast 10 to 15 mph with gusts to around 25 mph. Transport winds.....North 20 to 25 mph. Smoke dispersal.....Fair increasing to good in the afternoon. Mixing height.......4700 to 5900 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the mid 50s. Highs in the upper 70s. North winds around 15 mph. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. Northeast winds around 15 mph. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the lower 70s. Southeast winds around 15 mph. .TUESDAY...Mostly cloudy. Slight chance of showers and thunderstorms. Lows around 50. Highs in the mid 70s. .WEDNESDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. $$ SDZ330-212300- Ziebach County- Including Dupree and Glad Valley 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Mostly sunny. Slight chance of showers and thunderstorms. Chc of wetting rain.0 percent. Max temperature.....Around 91. Min humidity........35 percent. 20-foot winds.......Northwest 10 to 15 mph shifting to the north 10 to 20 mph in the afternoon. Gusts to around 30 mph. Transport winds.....West around 25 mph shifting to the north in the afternoon. Smoke dispersal.....Poor increasing to good in the afternoon. Mixing height.......3800 to 4800 ft agl. .TONIGHT... Sky/weather.........Partly cloudy then becoming mostly cloudy. Chance of showers and thunderstorms after midnight. Chc of wetting rain.20 percent. Min temperature.....Around 62. Max humidity........85 percent. 20-foot winds.......North 10 to 20 mph. Transport winds.....Northeast around 25 mph. Smoke dispersal.....Poor. Mixing height.......400 to 500 ft agl. .FRIDAY... Sky/weather.........Partly sunny then becoming sunny. Slight chance of showers and thunderstorms in the morning. Chc of wetting rain.0 percent. Max temperature.....Around 84. Min humidity........33 percent. 20-foot winds.......North 10 to 15 mph. Gusts to around 25 mph in the afternoon. Transport winds.....North 20 to 25 mph. Smoke dispersal.....Poor increasing to very good in the afternoon. Mixing height.......5900 to 7400 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Mostly clear. Lows in the mid 50s. Highs in the upper 70s. Northwest winds around 15 mph. .SUNDAY...Mostly clear. Lows around 50. Highs in the mid 70s. North winds 10 to 15 mph. .MONDAY...Mostly clear. Lows in the upper 40s. Highs in the lower 70s. East winds around 10 mph. .TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the mid 70s. .WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs around 80. $$ SDZ331-212300- Haakon County Area- Including Philip, Kadoka, Belvidere, and Midland 349 AM MDT Thu Aug 21 2025 .TODAY... Sky/weather.........Sunny. Slight chance of showers and thunderstorms in the afternoon. Chc of wetting rain.0 percent. Max temperature.....Around 97. Min humidity........23-31 percent. 20-foot winds.......Southwest 10 to 15 mph shifting to the north 10 to 20 mph with gusts to around 30 mph in the afternoon. Transport winds.....Southwest around 20 mph increasing to north around 30 mph in the afternoon. Smoke dispersal.....Fair increasing to excellent in the afternoon. Mixing height.......7500 to 9400 ft agl. .TONIGHT... Sky/weather.........Mostly cloudy. Slight chance of showers and thunderstorms in the evening, then chance of showers and thunderstorms after midnight. Chc of wetting rain.20 percent. Min temperature.....Around 64. Max humidity........84 percent. 20-foot winds.......North 10 to 20 mph. Gusts to around 30 mph in the evening. Transport winds.....North 25 to 30 mph. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .FRIDAY... Sky/weather.........Partly sunny. Chance of showers and slight chance of thunderstorms in the morning. Chc of wetting rain.20 percent. Max temperature.....Around 84. Min humidity........39 percent. 20-foot winds.......North 10 to 15 mph. Transport winds.....North around 20 mph. Smoke dispersal.....Poor increasing to good in the afternoon. Mixing height.......5400 to 6800 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the mid 50s. Highs in the upper 70s. North winds around 15 mph. .SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. Northeast winds 10 to 15 mph. .MONDAY...Partly cloudy. Lows in the upper 40s. Highs in the mid 70s. East winds around 15 mph. .TUESDAY...Partly cloudy. Slight chance of showers. Lows around 50. Highs in the upper 70s. .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 80s. $$ SDZ334-212300- Mellette and Todd Counties- Including Mission, White River, and Saint Francis 449 AM CDT Thu Aug 21 2025 .TODAY... Sky/weather.........Sunny. Slight chance of showers and thunderstorms in the afternoon. Chc of wetting rain.0 percent. Max temperature.....Around 100. Min humidity........20 percent. 20-foot winds.......Southwest 15 to 20 mph. Transport winds.....Southwest around 25 mph. Smoke dispersal.....Good increasing to excellent in the afternoon. Mixing height.......7400 to 9300 ft agl. .TONIGHT... Sky/weather.........Partly cloudy then becoming mostly cloudy. Slight chance of showers and thunderstorms in the evening, then chance of showers and thunderstorms after midnight. Chc of wetting rain.20 percent. Min temperature.....Around 65. Max humidity........89-97 percent. 20-foot winds.......North 10 to 20 mph. Transport winds.....North 20 to 25 mph. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .FRIDAY... Sky/weather.........Mostly cloudy then becoming mostly sunny. Chance of showers in the morning. Slight chance of thunderstorms through the day. Slight chance of showers in the afternoon. Chc of wetting rain.20 percent. Max temperature.....Around 83. Min humidity........42-48 percent. 20-foot winds.......North 10 to 15 mph with gusts to around 25 mph. Transport winds.....North 20 to 25 mph. Smoke dispersal.....Fair increasing to good in the afternoon. Mixing height.......5000 to 6300 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 50s. Highs in the upper 70s. North winds around 15 mph. .SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. Northeast winds around 15 mph. .MONDAY...Partly cloudy. Lows in the upper 40s. Highs in the mid 70s. East winds around 15 mph. .TUESDAY...Partly cloudy. Slight chance of showers. Lows in the upper 40s. Highs in the mid 70s. .WEDNESDAY...Partly cloudy. Slight chance of showers. Lows in the lower 50s. Highs around 80. $$ SDZ335-212300- Tripp County- Including Winner, Colome, and Hamill 449 AM CDT Thu Aug 21 2025 .TODAY... Sky/weather.........Sunny. Slight chance of showers and thunderstorms in the afternoon. Chc of wetting rain.0 percent. Max temperature.....Around 99. Min humidity........25 percent. 20-foot winds.......South 10 to 15 mph. Transport winds.....South around 20 mph. Smoke dispersal.....Fair increasing to very good in the afternoon. Mixing height.......7400 to 9300 ft agl. .TONIGHT... Sky/weather.........Partly cloudy then becoming mostly cloudy. Slight chance of showers and thunderstorms after midnight. Chc of wetting rain.10 percent. Min temperature.....Around 65. Max humidity........96 percent. 20-foot winds.......East 10 to 15 mph shifting to the north after midnight. Transport winds.....East 20 to 25 mph. Smoke dispersal.....Poor. Mixing height.......500 to 600 ft agl. .FRIDAY... Sky/weather.........Mostly cloudy then becoming mostly sunny. Chance of showers and thunderstorms in the morning, then slight chance of showers and thunderstorms in the afternoon. Chc of wetting rain.20 percent. Max temperature.....Around 83. Min humidity........48-54 percent. 20-foot winds.......North 10 to 15 mph. Transport winds.....North around 20 mph. Smoke dispersal.....Good. Mixing height.......4500 to 5700 ft agl. .FORECAST DAYS 3 THROUGH 7... .SATURDAY...Mostly clear. Lows in the upper 50s. Highs in the upper 70s. North winds 10 to 15 mph. .SUNDAY...Mostly clear. Lows in the lower 50s. Highs in the mid 70s. Northeast winds around 15 mph. .MONDAY...Partly cloudy. Lows in the upper 40s. Highs in the lower 70s. East winds around 15 mph. .TUESDAY...Partly cloudy. Slight chance of showers. Lows in the upper 40s. Highs in the mid 70s. .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs around 80. $$