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.

Fair

-5°F

-21°C

Humidity 87%
Wind Speed Calm
Barometer 30.36 in (1031.8 mb)
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Last update 4 Dec 3:56 am CST
Extended Forecast for

Harrisburg SD

  • Today

    Today: Partly sunny, with a high near 21. Wind chill values as low as -21. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 21 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 33. Southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 33 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 13. West northwest wind 5 to 10 mph becoming north northeast after midnight.

    Low: 13 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, mainly after noon. Cloudy, with a high near 22. East northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of around 2 inches.

    High: 22 °F

    Chance Snow
    then Snow
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -7. North northeast wind 5 to 10 mph.

    Low: -7 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 7.

    High: 7 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 21. Wind chill values as low as -21. Breezy, with a south wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Mostly cloudy, with a low around 18. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly cloudy, with a high near 33. Southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 13. West northwest wind 5 to 10 mph becoming north northeast after midnight.
Saturday
Snow likely, mainly after noon. Cloudy, with a high near 22. East northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of around 2 inches.
Saturday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -7. North northeast wind 5 to 10 mph.
Sunday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 7.
Sunday Night
Mostly cloudy, with a low around 1.
Monday
Partly sunny, with a high near 29.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Mostly cloudy, with a high near 33.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg SD
 43.43°N 96.7°W (Elev. 1421 ft)
Last Update:
3:18 am CST Dec 4, 2025
Forecast Valid:
4am CST Dec 4, 2025-6pm CST Dec 10, 2025
 
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