National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sioux County Regional Airport (KSXK)

Lat: 42.99°NLon: 96.16°WElev: 1409ft.

Fair

32°F

0°C

Humidity 80%
Wind Speed SW 10 G 17 mph
Barometer 30.17 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 11 Jan 7:35 pm CST
Extended Forecast for

5 Miles NNE Alcester SD

  • Tonight

    Tonight: Increasing clouds, with a low around 28. South southwest wind 5 to 10 mph becoming west after midnight.

    Low: 28 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 50. West southwest wind 5 to 10 mph.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. Breezy, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 54 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 25 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Sunny, with a high near 31. Blustery, with a north wind 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 31 °F

    Sunny and
    Blustery

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 26. Blustery.

    Low: 26 °F

    Chance Snow
    and Blustery

Detailed Forecast

Tonight
Increasing clouds, with a low around 28. South southwest wind 5 to 10 mph becoming west after midnight.
Monday
Mostly sunny, with a high near 50. West southwest wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 35. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 54. Breezy, with a west northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Tuesday Night
Mostly cloudy, with a low around 25. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Wednesday
Sunny, with a high near 31. Blustery, with a north wind 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 40.
Thursday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 26. Blustery.
Friday
Snow likely, mainly after noon. Mostly cloudy, with a high near 32. Breezy. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 10. Blustery.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 23.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Alcester SD
 43.11°N 96.6°W (Elev. 1398 ft)
Last Update:
4:43 pm CST Jan 11, 2026
Forecast Valid:
7pm CST Jan 11, 2026-6pm CST Jan 18, 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