Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Heavy to excessive rainfall over the southern Appalachians and portions of the central Gulf Coast may bring areas of flooding today. Hot temperatures are in place through today across much of the western U.S. and New England. Tropical Storm Erin is forecast to become a Major Hurricane this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Current conditions at

Mobridge, Mobridge Municipal Airport (KMBG)

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

Fair

62°F

17°C

Humidity 80%
Wind Speed NW 8 mph
Barometer 30.04 in (1016.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 12 Aug 8:52 am CDT
Extended Forecast for

5 Miles SSW Tolstoy SD

  • Today

    Today: Sunny, with a high near 78. Northwest wind 7 to 14 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. North northwest wind 6 to 10 mph becoming south southeast after midnight.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 83. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 28 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 62. Southeast wind 14 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 88. South southeast wind 10 to 13 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 63. Southeast wind around 11 mph becoming north northeast after midnight.  Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 81. East wind 14 to 16 mph, with gusts as high as 24 mph.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 61. East northeast wind 14 to 17 mph.  Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 79. East wind around 15 mph, with gusts as high as 23 mph.

    High: 79 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 78. Northwest wind 7 to 14 mph.
Tonight
Mostly clear, with a low around 58. North northwest wind 6 to 10 mph becoming south southeast after midnight.
Wednesday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 83. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Southeast wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Thursday
Sunny, with a high near 88. South southeast wind 10 to 13 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Southeast wind around 11 mph becoming north northeast after midnight. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 81. East wind 14 to 16 mph, with gusts as high as 24 mph.
Friday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 61. East northeast wind 14 to 17 mph. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 79. East wind around 15 mph, with gusts as high as 23 mph.
Saturday Night
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Tolstoy SD
 45.14°N 99.66°W (Elev. 1929 ft)
8:46 am CDT Aug 12, 2025
8am CDT Aug 12, 2025-6pm CDT Aug 18, 2025
 
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Additional Resources

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