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

82°F

28°C

Humidity 69%
Wind Speed S 10 mph
Barometer 29.87 in (1010.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 19 Jul 7:56 pm CDT
Extended Forecast for

Sioux Falls SD

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 2am and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 76. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: Sunny and hot, with a high near 100. South southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70. North northwest wind around 10 mph.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. Calm wind becoming north northeast around 5 mph.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 2am and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 76. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
Sunny and hot, with a high near 100. South southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 70. North northwest wind around 10 mph.
Tuesday
Sunny, with a high near 85. North wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 61. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 82. Calm wind becoming north northeast around 5 mph.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 81.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 64.
Friday
Partly sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Mostly sunny and hot, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls SD
 43.54°N 96.73°W (Elev. 1453 ft)
Last Update:
7:28 pm CDT Jul 19, 2026
Forecast Valid:
8pm CDT Jul 19, 2026-6pm CDT Jul 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation