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.

Fair

52°F

11°C

Humidity 66%
Wind Speed SE 8 mph
Barometer 30.25 in (1024.6 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 21 May 12:56 am CDT
Extended Forecast for

Garretson SD

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. Southeast wind around 5 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 66. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 45. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 4pm. High near 57. East southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    High: 57 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Southeast wind 5 to 10 mph becoming west southwest after midnight. Chance of precipitation is 40%.

    Low: 45 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 70. West northwest wind 5 to 10 mph.

    High: 70 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

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

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. Southeast wind around 5 mph.
Thursday
Partly sunny, with a high near 66. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 45. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Showers, with thunderstorms also possible after 4pm. High near 57. East southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 45. Southeast wind 5 to 10 mph becoming west southwest after midnight. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 70. West northwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 54.
Memorial Day
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Partly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Garretson SD
 43.71°N 96.49°W (Elev. 1549 ft)
Last Update:
1:33 am CDT May 21, 2026
Forecast Valid:
1am CDT May 21, 2026-6pm CDT May 27, 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