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

52°F

11°C

Humidity 83%
Wind Speed Calm
Barometer 30.06 in (1017.8 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 20 Jun 4:56 am CDT
Extended Forecast for

Harrisburg SD

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon.

    High: 80 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after midnight. Cloudy, with a low around 58. East southeast wind 5 to 10 mph.

    Low: 58 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers. Cloudy, with a high near 71. East wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 71 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 54. North northeast wind 5 to 10 mph.

    Low: 54 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 77. North northeast wind around 5 mph becoming east southeast in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 56. Southeast wind around 5 mph.

    Low: 56 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 77. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon.
Tonight
A 30 percent chance of showers, mainly after midnight. Cloudy, with a low around 58. East southeast wind 5 to 10 mph.
Sunday
A 50 percent chance of showers. Cloudy, with a high near 71. East wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 54. North northeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 77. North northeast wind around 5 mph becoming east southeast in the afternoon.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 56. Southeast wind around 5 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 77. Chance of precipitation is 50%.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 55.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 80.
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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:
5:48 am CDT Jun 20, 2026
Forecast Valid:
5am CDT Jun 20, 2026-6pm CDT Jun 26, 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