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

44°F

7°C

Humidity 93%
Wind Speed Calm
Barometer 29.90 in (1013.8 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 18 Mar 8:56 pm CDT
Extended Forecast for

Sioux Falls, Foss Field SD

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 31. Southwest wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before noon. Otherwise, partly sunny, with a high near 64. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. South wind around 5 mph becoming west after midnight.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72. West northwest wind 5 to 10 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. West northwest wind around 5 mph becoming south after midnight.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 82. South wind 5 to 15 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Sunday

    Sunday: Mostly cloudy, with a high near 49. Breezy.

    High: 49 °F

    Mostly Cloudy
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 31. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Patchy fog before noon. Otherwise, partly sunny, with a high near 64. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 41. South wind around 5 mph becoming west after midnight.
Friday
Mostly sunny, with a high near 72. West northwest wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 43. West northwest wind around 5 mph becoming south after midnight.
Saturday
Mostly sunny, with a high near 82. South wind 5 to 15 mph.
Saturday Night
Partly cloudy, with a low around 37. Breezy.
Sunday
Mostly cloudy, with a high near 49. Breezy.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 67. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls, Foss Field SD
 43.58°N 96.73°W (Elev. 1447 ft)
Last Update:
9:08 pm CDT Mar 18, 2026
Forecast Valid:
9pm CDT Mar 18, 2026-6pm CDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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