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Hazardous Weather Conditions

Current conditions at

Sioux Falls, Foss Field (KFSD)

Lat: 43.58°NLon: 96.75°WElev: 1427ft.

A Few Clouds

88°F

31°C

Humidity 57%
Wind Speed W 12 G 21 mph
Barometer 29.77 in (1006.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 20 Jul 9:56 am CDT
Extended Forecast for

Sioux Falls SD

Heat Advisory July 20, 11:00am until July 20, 04:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Patchy smoke after 4pm. Sunny and hot, with a high near 98. Heat index values as high as 101. West southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 98 °F

    Sunny then
    Patchy Smoke

  • Tonight

    Tonight: Patchy smoke between 8pm and 9pm. Partly cloudy, with a low around 68. North northwest wind around 10 mph.

    Low: 68 °F

    Patchy Smoke
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 84. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. North wind 10 to 15 mph becoming light northeast after midnight. Winds could gust as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

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

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 63. South southeast wind around 5 mph.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then 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

  • Friday

    Friday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

Detailed Forecast

Today
Patchy smoke after 4pm. Sunny and hot, with a high near 98. Heat index values as high as 101. West southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Patchy smoke between 8pm and 9pm. Partly cloudy, with a low around 68. North northwest wind around 10 mph.
Tuesday
Sunny, with a high near 84. North wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 60. North wind 10 to 15 mph becoming light northeast after midnight. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny, with a high near 82. Calm wind becoming southeast around 5 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 63. South southeast wind around 5 mph.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 82.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 64.
Friday
Partly sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Mostly sunny and hot, with a high near 98.
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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:
8:33 am CDT Jul 20, 2026
Forecast Valid:
10am CDT Jul 20, 2026-6pm CDT Jul 26, 2026
 
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