National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain in the Southern Appalachians; Fire Weather and Heat in the West; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding today. Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin and northern Rockies today and Thursday. Hot to extremely hot temperatures are in place through today across parts of the western U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Mobridge, Mobridge Municipal Airport (KMBG)

Lat: 45.55°NLon: 100.41°WElev: 1713ft.

Fair and Breezy

82°F

28°C

Humidity 63%
Wind Speed SE 24 G 33 mph
Barometer 29.77 in (1007.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 13 Aug 5:52 pm CDT
Extended Forecast for

4 Miles WSW Tolstoy SD

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 64. Breezy, with an east southeast wind 14 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms and
    Breezy

  • Thursday

    Thursday: Sunny and hot, with a high near 92. South southeast wind around 11 mph.

    High: 92 °F

    Hot

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Southeast wind 8 to 13 mph becoming north northeast after midnight. Chance of precipitation is 20%.

    Low: 64 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 83. Northeast wind 14 to 18 mph, with gusts as high as 26 mph.

    High: 83 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 62. East northeast wind 14 to 17 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 81. East wind 14 to 18 mph, with gusts as high as 26 mph.

    High: 81 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 63. East northeast wind 14 to 18 mph. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 85. East wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 63. East northeast wind 10 to 14 mph. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 64. Breezy, with an east southeast wind 14 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Thursday
Sunny and hot, with a high near 92. South southeast wind around 11 mph.
Thursday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Southeast wind 8 to 13 mph becoming north northeast after midnight. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 83. Northeast wind 14 to 18 mph, with gusts as high as 26 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. East northeast wind 14 to 17 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 81. East wind 14 to 18 mph, with gusts as high as 26 mph.
Saturday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 63. East northeast wind 14 to 18 mph. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 85. East wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. East northeast wind 10 to 14 mph. Chance of precipitation is 40%.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Tolstoy SD
 45.18°N 99.67°W (Elev. 1906 ft)
Last Update:
6:01 pm CDT Aug 13, 2025
Forecast Valid:
6pm CDT Aug 13, 2025-6pm CDT Aug 20, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation