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

35°F

2°C

Humidity 48%
Wind Speed NW 17 G 32 mph
Barometer 29.59 in (1003.1 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 18 Feb 4:56 pm CST
Extended Forecast for

4 Miles NE Harrisburg SD

Red Flag Warning February 18, 05:37pm until February 18, 06:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning February 18, 05:37pm until February 18, 06:00pm

    NOW until 6:00pm Wed

    Red Flag Warning

  • Tonight

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of snow, mainly after 1pm. Partly sunny, with a high near 36. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow
    and Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Cloudy, with a low around 16. Northwest wind around 15 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Chance Snow

  • Friday

    Friday: Partly sunny, with a high near 29. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 10. Northwest wind 5 to 10 mph.

    Low: 10 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 30. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 30 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 23. West northwest wind 10 to 15 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Thursday
A 40 percent chance of snow, mainly after 1pm. Partly sunny, with a high near 36. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Thursday Night
A 40 percent chance of snow. Cloudy, with a low around 16. Northwest wind around 15 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.
Friday
Partly sunny, with a high near 29. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 10. Northwest wind 5 to 10 mph.
Saturday
Partly sunny, with a high near 30. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Sunny, with a high near 28.
Sunday Night
Mostly clear, with a low around 5.
Monday
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 43.
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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:
2:48 pm CST Feb 18, 2026
Forecast Valid:
5pm CST Feb 18, 2026-6pm CST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation