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 82%
Wind Speed S 12 mph
Barometer 29.84 in (1009.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 26 Jul 2:56 am CDT
Extended Forecast for

Sioux Falls, Foss Field SD

Extreme Heat Warning July 26, 03:58am until July 26, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 26, 03:58am until July 26, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • Overnight

    Low: 76 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 9am, then a chance of rain between 9am and 11am. Partly sunny and hot, with a high near 96. Heat index values as high as 110. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 96 °F

    Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. South wind 5 to 10 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 94. Northeast wind 5 to 10 mph.

    High: 94 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71. Northeast wind 5 to 10 mph.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. Calm wind becoming southeast around 5 mph.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Cloudy, with a steady temperature around 76. South wind around 5 mph. Chance of precipitation is 30%.
Sunday
A slight chance of showers and thunderstorms before 9am, then a chance of rain between 9am and 11am. Partly sunny and hot, with a high near 96. Heat index values as high as 110. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 74. South wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 94. Northeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 71. Northeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 90. Calm wind becoming southeast around 5 mph.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 85.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls, Foss Field SD
 43.58°N 96.76°W (Elev. 1421 ft)
Last Update:
1:53 am CDT Jul 26, 2026
Forecast Valid:
3am CDT Jul 26, 2026-6pm CDT Aug 1, 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