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 and Breezy

64°F

18°C

Humidity 27%
Wind Speed S 21 G 30 mph
Barometer 29.99 in (1016.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 20 Apr 12:56 pm CDT
Extended Forecast for

Sioux Falls, Foss Field SD

Red Flag Warning until April 20, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until April 20, 08:00pm

    NOW until 8:00pm Mon

    Red Flag Warning

  • This Afternoon

    High: 73 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 42. South wind 10 to 15 mph becoming east southeast 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 81. East northeast wind around 5 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. East wind around 10 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly 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 35 mph.

    High: 87 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

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

    Low: 59 °F

    Breezy.
    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers. Partly sunny, with a high near 77. Breezy.

    High: 77 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

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

    Low: 37 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 73. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 42. South wind 10 to 15 mph becoming east southeast 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 81. East northeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 51. East wind around 10 mph.
Wednesday
Mostly 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 35 mph.
Wednesday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 59. Breezy, with a south southeast wind around 20 mph, with gusts as high as 35 mph.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 77. Breezy.
Thursday Night
Partly cloudy, with a low around 37. Breezy.
Friday
Mostly sunny, with a high near 59. Breezy.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Partly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls, Foss Field SD
 43.58°N 96.76°W (Elev. 1421 ft)
Last Update:
11:58 am CDT Apr 20, 2026
Forecast Valid:
1pm CDT Apr 20, 2026-6pm CDT Apr 26, 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