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

Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Mobridge, Mobridge Municipal Airport (KMBG)

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

Fair

77°F

25°C

Humidity 45%
Wind Speed E 8 mph
Barometer 29.92 in (1012.3 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 9 Aug 6:52 pm CDT
Extended Forecast for

Mound City SD

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 59. East southeast wind 8 to 10 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers and thunderstorms before 7am. Partly sunny, with a high near 86. East southeast wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.

    High: 86 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a chance of showers after 5am. Mostly cloudy, with a low around 59. East wind 7 to 11 mph. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 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, with a high near 86. East wind 7 to 9 mph. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 58. East wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. East northeast wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East wind around 10 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers before 1pm. Mostly cloudy, with a high near 76. East wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 54. East southeast wind 9 to 14 mph. Chance of precipitation is 40%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 3am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 59. East southeast wind 8 to 10 mph. Chance of precipitation is 30%.
Monday
A slight chance of showers and thunderstorms before 7am. Partly sunny, with a high near 86. East southeast wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 10%.
Monday Night
A chance of showers and thunderstorms before 1am, then a chance of showers after 5am. Mostly cloudy, with a low around 59. East wind 7 to 11 mph. Chance of precipitation is 40%.
Tuesday
A 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, with a high near 86. East wind 7 to 9 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58. East wind 6 to 9 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81. East northeast wind 6 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East wind around 10 mph. Chance of precipitation is 40%.
Thursday
A chance of showers before 1pm. Mostly cloudy, with a high near 76. East wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 54. East southeast wind 9 to 14 mph. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Cloudy, with a high near 73. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mound City SD
 45.73°N 100.06°W (Elev. 1699 ft)
Last Update:
6:36 pm CDT Aug 9, 2026
Forecast Valid:
7pm CDT Aug 9, 2026-6pm CDT Aug 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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