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

-18°F

-28°C

Humidity 62%
Wind Speed NW 9 mph
Barometer 30.74 in (1046.0 mb)
Dewpoint -27°F (-33°C)
Visibility 10.00 mi
Wind Chill-37°F (-38°C)
Last update 23 Jan 6:56 am CST
Extended Forecast for

4 Miles NW Harrisburg SD

Extreme Cold Warning January 23, 07:33am until January 23, 11:00am
Click here for hazard details and duration
...
  •  
    Extreme Cold Warning January 23, 07:33am until January 23, 11:00am

    NOW until 11:00am Fri

    Extreme Cold Warning

  • Today

    High: -4 °F

    Cold

  • Tonight

    Tonight: Mostly cloudy, with a low around -7. Wind chill values as low as -20. North wind around 5 mph becoming southeast after midnight.

    Low: -7 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 6. Wind chill values as low as -18. South southeast wind 5 to 10 mph.

    High: 6 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -6. Southeast wind around 5 mph.

    Low: -6 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 9. East wind 5 to 10 mph becoming north northwest in the afternoon.

    High: 9 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -11. North northwest wind 5 to 10 mph becoming southwest after midnight.

    Low: -11 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

Detailed Forecast

Today
Partly sunny and cold, with a high near -4. Wind chill values as low as -39. North northwest wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around -7. Wind chill values as low as -20. North wind around 5 mph becoming southeast after midnight.
Saturday
Partly sunny, with a high near 6. Wind chill values as low as -18. South southeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around -6. Southeast wind around 5 mph.
Sunday
Partly sunny, with a high near 9. East wind 5 to 10 mph becoming north northwest in the afternoon.
Sunday Night
Mostly clear, with a low around -11. North northwest wind 5 to 10 mph becoming southwest after midnight.
Monday
Sunny, with a high near 23.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Mostly sunny, with a high near 18.
Tuesday Night
Partly cloudy, with a low around 0.
Wednesday
Mostly sunny, with a high near 15.
Wednesday Night
Partly cloudy, with a low around -4.
Thursday
Mostly sunny, with a high near 13.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Harrisburg SD
 43.47°N 96.76°W (Elev. 1542 ft)
Last Update:
6:42 am CST Jan 23, 2026
Forecast Valid:
7am CST Jan 23, 2026-6pm CST Jan 29, 2026
 
Forecast Discussion
 
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Additional Resources

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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