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

36°F

2°C

Humidity 86%
Wind Speed Calm
Barometer 29.81 in (1009.6 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 21 Apr 5:56 am CDT
Extended Forecast for

Sioux Falls, Foss Field SD

  • Today

    Today: Sunny, with a high near 82. North wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. East southeast wind 5 to 10 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 87 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 59 °F

    Breezy.
    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 78. Breezy, with a south southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    High: 78 °F

    Breezy.
    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 38. West northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 61. Breezy.

    High: 61 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 82. North wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 51. East southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 87. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 35 mph.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 78. Breezy, with a south southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 38. West northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 61. Breezy.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Partly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 60.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 39.
Monday
A 30 percent chance of showers. Mostly cloudy, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls, Foss Field SD
 43.58°N 96.76°W (Elev. 1421 ft)
Last Update:
6:13 am CDT Apr 21, 2026
Forecast Valid:
6am CDT Apr 21, 2026-6pm CDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation