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 and Breezy

59°F

15°C

Humidity 28%
Wind Speed S 21 G 30 mph
Barometer 30.04 in (1018.0 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 20 Apr 11:56 am CDT
Extended Forecast for

Sioux Falls SD

Red Flag Warning until April 20, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until April 20, 08:00pm

    NOW until 8:00pm Mon

    Red Flag Warning

  • This Afternoon

    High: 73 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 43. South wind 5 to 10 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 81. East northeast wind around 5 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. East wind 5 to 10 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 87 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 61. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 61 °F

    Breezy.
    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers. Partly sunny, with a high near 79. Breezy.

    High: 79 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 73. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 43. South wind 5 to 10 mph becoming east northeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 81. East northeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 53. East wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 87. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Wednesday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 61. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 35 mph.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 79. Breezy.
Thursday Night
Partly cloudy, with a low around 39. Breezy.
Friday
Mostly sunny, with a high near 59. Breezy.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Partly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 58.
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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:
11:58 am CDT Apr 20, 2026
Forecast Valid:
12pm CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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