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

69°F

21°C

Humidity 24%
Wind Speed S 20 G 31 mph
Barometer 29.90 in (1012.9 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 20 Apr 2:56 pm CDT
Extended Forecast for

7 Miles W Wall Lake SD

Red Flag Warning April 20, 03:06pm until April 20, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 20, 03:06pm until April 20, 08:00pm

    NOW until 8:00pm Mon

    Red Flag Warning

  • This Afternoon

    High: 73 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 44. South wind 5 to 15 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. East northeast wind around 10 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 88 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 60. Windy, with a south southeast wind around 30 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.

    Low: 60 °F

    Windy. Partly
    Cloudy then
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers. Partly sunny, with a high near 78. Breezy.

    High: 78 °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 around 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 44. South wind 5 to 15 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 81. East northeast wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 53. East southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 88. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.
Wednesday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 60. Windy, with a south southeast wind around 30 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 78. 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 34.
Saturday
Partly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles W Wall Lake SD
 43.53°N 97.08°W (Elev. 1522 ft)
Last Update:
2:48 pm CDT Apr 20, 2026
Forecast Valid:
3pm CDT Apr 20, 2026-6pm CDT Apr 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