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.

Fair

76°F

24°C

Humidity 82%
Wind Speed W 3 mph
Barometer 30.04 in (1016.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 18 Aug 9:56 pm CDT
Extended Forecast for

Sioux Falls SD

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 89 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. East northeast wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65. Southeast wind around 5 mph.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. South wind 5 to 10 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 69. Calm wind.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming north northeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 67. East northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 87. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 65. Southeast wind around 5 mph.
Thursday
Sunny, with a high near 87. South wind 5 to 10 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 49.
Monday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls SD
 43.54°N 96.73°W (Elev. 1453 ft)
Last Update:
9:41 pm CDT Aug 18, 2025
Forecast Valid:
10pm CDT Aug 18, 2025-6pm CDT Aug 25, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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