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.

Overcast

89°F

32°C

Humidity 48%
Wind Speed Vrbl 7 mph
Barometer 29.92 in (1012.0 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 1 Sep 3:56 pm CDT
Extended Forecast for

Sioux Falls SD

Severe T-storm Watch until September 1, 11:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until September 1, 11:00pm

    NOW until 11:00pm Tue

    Severe T-storm Watch

  • This Afternoon

    High: 86 °F

    Partly Sunny

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 3am. Some of the storms could be severe. Low around 64. East wind 5 to 10 mph becoming north northeast in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 89. Northeast wind around 5 mph.

    High: 89 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 69. East wind around 5 mph.

    Low: 69 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. South southeast wind 5 to 10 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Partly sunny, with a high near 86. Southeast wind around 10 mph.
Tonight
Showers and thunderstorms, mainly before 3am. Some of the storms could be severe. Low around 64. East wind 5 to 10 mph becoming north northeast in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 89. Northeast wind around 5 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 69. East wind around 5 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 72. South southeast wind 5 to 10 mph.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 71.
Saturday
Mostly sunny, with a high near 93.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.
Sunday
Partly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 66.
Labor Day
A 30 percent chance of showers. Partly sunny, with a high near 84.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 66.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls SD
 43.56°N 96.76°W (Elev. 1430 ft)
Last Update:
3:58 pm CDT Sep 1, 2026
Forecast Valid:
4pm CDT Sep 1, 2026-6pm CDT Sep 8, 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