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.

Mostly Cloudy

60°F

16°C

Humidity 96%
Wind Speed Calm
Barometer 30.14 in (1019.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Aug 6:56 am CDT
Extended Forecast for

Sioux Falls SD

  • Today

    Today: Sunny, with a high near 83. Light south southeast wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 63. South southwest wind 5 to 10 mph becoming light in the evening.

    Low: 63 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly before 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 80 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 78. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 78 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. South southeast wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 83. Light south southeast wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 63. South southwest wind 5 to 10 mph becoming light in the evening.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly before 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming north northeast around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 78. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 40%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58. South southeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 62.
Friday
Mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls SD
 43.51°N 96.73°W (Elev. 1414 ft)
Last Update:
6:43 am CDT Aug 17, 2026
Forecast Valid:
7am CDT Aug 17, 2026-6pm CDT Aug 23, 2026
 
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