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.

A Few Clouds

92°F

33°C

Humidity 58%
Wind Speed S 8 mph
Barometer 29.89 in (1010.9 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 25 Jul 1:56 pm CDT
Extended Forecast for

2 Miles NW Sioux Falls, Foss Field SD

Heat Advisory July 25, 02:31pm until July 26, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 25, 02:31pm until July 26, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Hot

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly between 11pm and 2am. Increasing clouds, with a low around 76. South wind 5 to 10 mph becoming west in the evening.

    Low: 76 °F

    Chance
    T-storms

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing and hot, with a high near 96. Heat index values as high as 107. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 96 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 74. South wind 5 to 10 mph becoming west after midnight.

    Low: 74 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. North northeast wind 5 to 10 mph.

    High: 94 °F

    Sunny

  • Monday Night

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

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 98. Heat index values as high as 109. South wind 5 to 10 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly between 11pm and 2am. Increasing clouds, with a low around 76. South wind 5 to 10 mph becoming west in the evening.
Sunday
Cloudy through mid morning, then gradual clearing and hot, with a high near 96. Heat index values as high as 107. South wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 74. South wind 5 to 10 mph becoming west after midnight.
Monday
Sunny, with a high near 94. North northeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 71. Northeast wind 5 to 10 mph becoming southeast after midnight.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 88.
Thursday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 67. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Sioux Falls, Foss Field SD
 43.6°N 96.76°W (Elev. 1467 ft)
Last Update:
1:33 pm CDT Jul 25, 2026
Forecast Valid:
2pm CDT Jul 25, 2026-6pm CDT Jul 31, 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