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.

Overcast

15°F

-9°C

Humidity 74%
Wind Speed W 10 mph
Barometer 29.83 in (1013.5 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 18 Jan 8:56 am CST
Extended Forecast for

Sioux Falls SD

Winter Weather Advisory January 18, 11:22am until January 18, 09:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 18, 11:22am until January 18, 09:00pm

    NOW until 9:00pm Sun

    Winter Weather Advisory

  • Today

    High: 24 °F⇓

    Snow and
    Patchy
    Blowing Snow

  • Tonight

    Tonight: Patchy blowing snow before 11pm. Mostly cloudy, with a low around -4. Wind chill values as low as -21. Blustery, with a north northwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph.

    Low: -4 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Cloudy

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 13. Wind chill values as low as -21. West northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 13 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around -2. West wind around 5 mph becoming south southwest after midnight.

    Low: -2 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon. Increasing clouds, with a high near 24. South wind 5 to 10 mph.

    High: 24 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 14. South southwest wind 5 to 10 mph becoming west northwest in the evening.

    Low: 14 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 26.

    High: 26 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 5.

    Low: 5 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow, mainly before 1pm. Patchy blowing snow. Temperature falling to around 15 by 5pm. Windy, with a north northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Patchy blowing snow before 11pm. Mostly cloudy, with a low around -4. Wind chill values as low as -21. Blustery, with a north northwest wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph.
M.L.King Day
Partly sunny, with a high near 13. Wind chill values as low as -21. West northwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around -2. West wind around 5 mph becoming south southwest after midnight.
Tuesday
A 20 percent chance of snow after noon. Increasing clouds, with a high near 24. South wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 14. South southwest wind 5 to 10 mph becoming west northwest in the evening.
Wednesday
A 30 percent chance of snow, mainly before noon. Partly sunny, with a high near 26.
Wednesday Night
Mostly cloudy, with a low around 5.
Thursday
Partly sunny, with a high near 27.
Thursday Night
Mostly cloudy, with a low around 6.
Friday
Mostly cloudy, with a high near 14.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -7.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 1.
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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:
11:08 am CST Jan 18, 2026
Forecast Valid:
11am CST Jan 18, 2026-6pm CST Jan 24, 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