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

74°F

23°C

Humidity 74%
Wind Speed SE 12 G 21 mph
Barometer 29.96 in (1013.7 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 6 Sep 5:56 pm CDT
Extended Forecast for

Sioux Falls, Foss Field SD

Flood Watch until September 6, 10:00pm
Click here for hazard details and duration
...
  •  
    Flood Watch until September 6, 10:00pm

    NOW until 10:00pm Sun

    Flood Watch

  • Tonight

    Low: 66 °F

    Slight Chance
    T-storms then
    Heavy Rain

  • Labor Day

    Labor Day: A 20 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 88. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 88 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 3am. Increasing clouds, with a low around 70. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Breezy.
    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. West northwest wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 9pm, then a chance of showers after 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 66. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Labor Day
A 20 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 88. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 35 mph.
Monday Night
Showers and thunderstorms likely, mainly before 3am. Increasing clouds, with a low around 70. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 61. West northwest wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 79. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 74.
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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:
5:33 pm CDT Sep 6, 2026
Forecast Valid:
6pm CDT Sep 6, 2026-6pm CDT Sep 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation