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

78°F

26°C

Humidity 76%
Wind Speed SW 10 G 22 mph
Barometer 29.94 in (1013.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 Jul 5:56 pm CDT
Extended Forecast for

Sioux Falls, Foss Field SD

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 3am. Some of the storms could be severe and produce heavy rainfall. Low around 66. South wind 5 to 10 mph becoming north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Severe
    Thunderstorms

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 78. Northeast wind 5 to 10 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 62. East northeast wind 5 to 10 mph.

    Low: 62 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 80. East southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East southeast wind 5 to 10 mph.

    Low: 68 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 87. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 3am. Some of the storms could be severe and produce heavy rainfall. Low around 66. South wind 5 to 10 mph becoming north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 78. Northeast wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 62. East northeast wind 5 to 10 mph.
Sunday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 80. East southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. East southeast wind 5 to 10 mph.
Monday
Partly sunny, with a high near 87. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 88.
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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:
5:32 pm CDT Jul 18, 2025
Forecast Valid:
6pm CDT Jul 18, 2025-6pm CDT Jul 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation