Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Current conditions at

STURGIS (K49B)

Lat: 44.42°NLon: 103.38°WElev: 3243ft.

Fair

73°F

23°C

Humidity 53%
Wind Speed SE 5 mph
Barometer 29.96 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 5 Sep 11:55 pm MDT
Extended Forecast for

Union Center SD

  • Overnight

    Overnight: Partly cloudy, with a low around 66. Southeast wind 7 to 9 mph.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 94. Southeast wind 8 to 16 mph, with gusts as high as 22 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms.  Increasing clouds, with a low around 68. Southeast wind 13 to 18 mph, with gusts as high as 24 mph.

    Low: 68 °F

    Slight Chance
    T-storms

  • Labor Day

    Labor Day: A 20 percent chance of showers and thunderstorms before noon.  Cloudy, then gradually becoming mostly sunny, with a high near 93. Breezy, with a southeast wind 13 to 20 mph becoming southwest in the morning. Winds could gust as high as 30 mph.

    High: 93 °F

    Slight Chance
    T-storms then
    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Breezy, with a southwest wind 16 to 21 mph becoming northwest after midnight. Winds could gust as high as 29 mph.

    Low: 59 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 82. Breezy, with a northwest wind 20 to 26 mph, with gusts as high as 39 mph.

    High: 82 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Breezy.

    Low: 52 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 66. Southeast wind 7 to 9 mph.
Sunday
Sunny, with a high near 94. Southeast wind 8 to 16 mph, with gusts as high as 22 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Increasing clouds, with a low around 68. Southeast wind 13 to 18 mph, with gusts as high as 24 mph.
Labor Day
A 20 percent chance of showers and thunderstorms before noon. Cloudy, then gradually becoming mostly sunny, with a high near 93. Breezy, with a southeast wind 13 to 20 mph becoming southwest in the morning. Winds could gust as high as 30 mph.
Monday Night
Partly cloudy, with a low around 59. Breezy, with a southwest wind 16 to 21 mph becoming northwest after midnight. Winds could gust as high as 29 mph.
Tuesday
Sunny, with a high near 82. Breezy, with a northwest wind 20 to 26 mph, with gusts as high as 39 mph.
Tuesday Night
Mostly clear, with a low around 52. Breezy.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 81. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Union Center SD
 44.55°N 102.68°W (Elev. 2940 ft)
10:07 pm MDT Sep 5, 2026
12am MDT Sep 6, 2026-6pm MDT Sep 12, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database