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Hazardous Weather Conditions

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

Partly Cloudy

68°F

20°C

Humidity 28%
Wind Speed E 7 mph
Barometer 29.86 in (1010.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 21 Apr 8:56 pm CDT
Extended Forecast for

Sioux Falls, Foss Field SD

Red Flag Warning April 22, 12:00pm until April 22, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Mostly clear, with a low around 52. East wind around 10 mph.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. 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: 90 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 59. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.

    Low: 59 °F

    Breezy.
    Partly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 39. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 39 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 61. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 61 °F

    Sunny

  • Friday Night

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

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 52. East wind around 10 mph.
Wednesday
Sunny, with a high near 90. 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 chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 59. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%.
Thursday
Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Thursday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Partly cloudy, with a low around 39. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 61. Northwest wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 62.
Sunday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 57. Breezy.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 59.
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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:
7:08 pm CDT Apr 21, 2026
Forecast Valid:
9pm CDT Apr 21, 2026-6pm CDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation