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.

Partly Cloudy

90°F

32°C

Humidity 27%
Wind Speed S 20 G 29 mph
Barometer 29.81 in (1008.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 19 Jun 6:56 pm CDT
Extended Forecast for

Sioux Falls SD

Extreme Heat Warning June 20, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Tonight

    Tonight: Isolated showers and thunderstorms between 10pm and 1am. Mostly clear, with a low around 70. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Isolated
    T-storms

  • Friday

    Friday: Sunny and hot, with a high near 98. Heat index values as high as 105. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 98 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 77 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny and hot, with a high near 102. Heat index values as high as 105. South southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 102 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 79. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 79 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph.

    High: 100 °F

    Hot and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: A 40 percent chance of showers. Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

Detailed Forecast

Tonight
Isolated showers and thunderstorms between 10pm and 1am. Mostly clear, with a low around 70. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday
Sunny and hot, with a high near 98. Heat index values as high as 105. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 77. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
Sunny and hot, with a high near 102. Heat index values as high as 105. South southwest wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 79. South wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny and hot, with a high near 100. Breezy, with a south wind 20 to 25 mph, with gusts as high as 40 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 78.
Monday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Tuesday
Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 72. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 80%.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 78. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux Falls SD
 43.54°N 96.73°W (Elev. 1453 ft)
Last Update:
5:47 pm CDT Jun 19, 2025
Forecast Valid:
7pm CDT Jun 19, 2025-6pm CDT Jun 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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