National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Mostly Cloudy

40°F

4°C

Humidity 49%
Wind Speed S 17 G 24 mph
Barometer 30.20 in (1024.8 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 11 Jan 2:56 pm CST
Extended Forecast for

Harrisburg SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 40. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 40 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 27. Southwest wind 5 to 10 mph becoming west northwest in the evening.

    Low: 27 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 49. West southwest wind 5 to 10 mph.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. West southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52. Breezy, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 52 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 23 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Sunny, with a high near 30. Blustery.

    High: 30 °F

    Sunny and
    Blustery

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 40. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 27. Southwest wind 5 to 10 mph becoming west northwest in the evening.
Monday
Mostly sunny, with a high near 49. West southwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 35. West southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 52. Breezy, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Tuesday Night
Mostly cloudy, with a low around 23. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Wednesday
Sunny, with a high near 30. Blustery.
Wednesday Night
Partly cloudy, with a low around 17.
Thursday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 39.
Thursday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 26. Blustery.
Friday
Snow likely. Mostly cloudy, with a high near 31. Blustery. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 8. Blustery.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 23.
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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:
2:54 pm CST Jan 11, 2026
Forecast Valid:
3pm CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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