Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Mobridge, Mobridge Municipal Airport (KMBG)

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

Fair

63°F

17°C

Humidity 93%
Wind Speed Calm
Barometer 29.89 in (1011.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 4 Sep 8:52 am CDT
Extended Forecast for

Mound City SD

  • Today

    Today: A slight chance of showers between noon and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Patchy fog before 11am.  Otherwise, mostly sunny and hot, with a high near 91. Breezy, with a light east wind becoming east southeast 15 to 20 mph in the morning. Winds could gust as high as 29 mph.  Chance of precipitation is 20%.

    High: 91 °F

    Patchy Fog
    then Slight
    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A slight chance of thunderstorms before midnight, then a slight chance of showers and thunderstorms between midnight and 1am.  Partly cloudy, with a low around 66. East southeast wind 13 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny and hot, with a high near 95. Heat index values as high as 99. Southeast wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 95 °F

    Hot

  • Saturday Night

    Saturday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 67. Southeast wind 8 to 13 mph.  Chance of precipitation is 30%.

    Low: 67 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Mostly sunny and hot, with a high near 90. East southeast wind 8 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 40%.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 63. East southeast wind 13 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 50%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Labor Day

    Labor Day: A chance of showers and thunderstorms before 1pm, then a slight chance of showers.  Mostly cloudy, with a high near 86. Breezy, with an east southeast wind 17 to 20 mph, with gusts as high as 31 mph.  Chance of precipitation is 50%.

    High: 86 °F

    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 63. South wind 10 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Breezy, with a west northwest wind 11 to 20 mph, with gusts as high as 29 mph.

    High: 84 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

Detailed Forecast

Today
A slight chance of showers between noon and 4pm, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 11am. Otherwise, mostly sunny and hot, with a high near 91. Breezy, with a light east wind becoming east southeast 15 to 20 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Tonight
A slight chance of thunderstorms before midnight, then a slight chance of showers and thunderstorms between midnight and 1am. Partly cloudy, with a low around 66. East southeast wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Saturday
Sunny and hot, with a high near 95. Heat index values as high as 99. Southeast wind 11 to 14 mph, with gusts as high as 22 mph.
Saturday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 67. Southeast wind 8 to 13 mph. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 90. East southeast wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 63. East southeast wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Labor Day
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Mostly cloudy, with a high near 86. Breezy, with an east southeast wind 17 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Monday Night
A slight chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63. South wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 84. Breezy, with a west northwest wind 11 to 20 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Mound City SD
 45.73°N 100.06°W (Elev. 1699 ft)
9:21 am CDT Sep 4, 2026
9am CDT Sep 4, 2026-6pm CDT Sep 10, 2026
 
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