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.

Partly Cloudy

83°F

28°C

Humidity 13%
Wind Speed S 15 G 23 mph
Barometer 29.59 in (1001.7 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 16 Apr 6:56 pm CDT
Extended Forecast for

Garretson SD

Red Flag Warning April 16, 07:40pm until April 16, 08:00pm
Click here for hazard details and duration
...
  •  
    Red Flag Warning April 16, 07:40pm until April 16, 08:00pm

    NOW until 8:00pm Thu

    Red Flag Warning

  • Tonight

    Low: 49 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: A 40 percent chance of showers, mainly between 8am and 1pm. Mostly cloudy, with a temperature falling to around 45 by 1pm. Breezy, with an east northeast wind 10 to 15 mph becoming north northwest 20 to 25 mph in the morning. Winds could gust as high as 40 mph.

    High: 53 °F⇓

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 26 °F

    Partly Cloudy
    and Blustery

  • Saturday

    Saturday: Sunny, with a high near 49. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 49 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 26 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 58. North northwest wind 5 to 10 mph.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 49. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
A 40 percent chance of showers, mainly between 8am and 1pm. Mostly cloudy, with a temperature falling to around 45 by 1pm. Breezy, with an east northeast wind 10 to 15 mph becoming north northwest 20 to 25 mph in the morning. Winds could gust as high as 40 mph.
Friday Night
Partly cloudy, with a low around 26. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 49. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 26. Blustery, with a northwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 58. North northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 33.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 54.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 75. Breezy.
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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:
4:58 pm CDT Apr 16, 2026
Forecast Valid:
7pm CDT Apr 16, 2026-6pm CDT Apr 23, 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