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

Hazardous Weather Conditions

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Partly Cloudy

74°F

23°C

Humidity 97%
Wind Speed E 6 mph
Barometer 29.97 in (1013.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 6 Sep 4:56 am CDT
Extended Forecast for

Sioux Falls SD

  • Today

    Today: Showers likely, with thunderstorms also possible after 4pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 85. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 85 °F

    Heavy Rain

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 70. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Chance
    T-storms

  • Labor Day

    Labor Day: A 30 percent chance of showers and thunderstorms, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 89. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 89 °F

    Chance
    T-storms then
    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 72. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.

    Low: 72 °F

    Breezy.
    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. South southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. Northwest wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Showers likely, with thunderstorms also possible after 4pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 85. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 70. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Labor Day
A 30 percent chance of showers and thunderstorms, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 89. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 35 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 72. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
Tuesday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. South southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 63. Northwest wind around 5 mph.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls SD
 43.54°N 96.73°W (Elev. 1453 ft)
Last Update:
5:48 am CDT Sep 6, 2026
Forecast Valid:
6am CDT Sep 6, 2026-6pm CDT Sep 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation