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

96°F

36°C

Humidity 54%
Wind Speed S 14 mph
Barometer 29.78 in (1007.1 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index111°F (44°C)
Last update 26 Jul 4:56 pm CDT
Extended Forecast for

4 Miles NE Harrisburg SD

Extreme Heat Warning July 26, 05:52pm until July 26, 09:00pm
Click here for hazard details and duration
...
  •  
    Extreme Heat Warning July 26, 05:52pm until July 26, 09:00pm

    NOW until 9:00pm Sun

    Extreme Heat Warning

  • Tonight

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Patchy smoke between 8am and 2pm. Mostly sunny, with a high near 94. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 94 °F

    Patchy Smoke

  • Monday Night

    Monday Night: Increasing clouds, with a low around 70. North northeast wind 5 to 10 mph becoming light after midnight.

    Low: 70 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. South southeast wind around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 91. South wind 5 to 10 mph.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Clear
    then Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 9pm and midnight. Partly cloudy, with a low around 75. South wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 20%.
Monday
Patchy smoke between 8am and 2pm. Mostly sunny, with a high near 94. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 70. North northeast wind 5 to 10 mph becoming light after midnight.
Tuesday
Mostly sunny, with a high near 89. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 68. South southeast wind around 5 mph.
Wednesday
Sunny, with a high near 91. South wind 5 to 10 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Harrisburg SD
 43.47°N 96.64°W (Elev. 1348 ft)
Last Update:
3:58 pm CDT Jul 26, 2026
Forecast Valid:
5pm CDT Jul 26, 2026-6pm CDT Aug 2, 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