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

11°F

-12°C

Humidity 77%
Wind Speed W 9 mph
Barometer 30.14 in (1023.3 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 21 Jan 10:56 pm CST
Extended Forecast for

Garretson SD

Extreme Cold Watch January 22, 09:00pm until January 23, 02:00pm
Click here for hazard details and duration
Extreme Cold Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 7. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 7 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a temperature rising to near 12 by 11am, then falling to around 2 during the remainder of the day. Blustery, with a northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 12 °F⇓

    Partly Sunny
    then Partly
    Sunny and
    Blustery

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -18. Wind chill values as low as -36. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: -18 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds and cold, with a high near -7. Wind chill values as low as -36. North northwest wind 5 to 10 mph.

    High: -7 °F

    Cold

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -11. North wind around 5 mph becoming calm.

    Low: -11 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 5. South wind around 5 mph.

    High: 5 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -7.

    Low: -7 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 4.

    High: 4 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -12.

    Low: -12 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 7. West wind around 10 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a temperature rising to near 12 by 11am, then falling to around 2 during the remainder of the day. Blustery, with a northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Partly cloudy, with a low around -18. Wind chill values as low as -36. North wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Increasing clouds and cold, with a high near -7. Wind chill values as low as -36. North northwest wind 5 to 10 mph.
Friday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -11. North wind around 5 mph becoming calm.
Saturday
Partly sunny, with a high near 5. South wind around 5 mph.
Saturday Night
Mostly cloudy, with a low around -7.
Sunday
Mostly sunny, with a high near 4.
Sunday Night
Partly cloudy, with a low around -12.
Monday
Mostly sunny, with a high near 16.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Partly sunny, with a high near 22.
Tuesday Night
Mostly cloudy, with a low around 4.
Wednesday
Mostly sunny, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Garretson SD
 43.71°N 96.49°W (Elev. 1549 ft)
Last Update:
10:58 pm CST Jan 21, 2026
Forecast Valid:
11pm CST Jan 21, 2026-6pm CST Jan 28, 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