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

Hazardous Weather Conditions

Current conditions at

Sioux County Regional Airport (KSXK)

Lat: 42.99°NLon: 96.16°WElev: 1409ft.

A Few Clouds

79°F

26°C

Humidity 94%
Wind Speed SE 9 mph
Barometer 29.85 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Aug 8:55 pm CDT
Extended Forecast for

5 Miles NNE Alcester SD

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 69. East southeast wind 5 to 10 mph becoming west southwest after midnight. Chance of precipitation is 50%.

    Low: 69 °F

    Isolated
    T-storms then
    Scattered
    T-storms

  • Monday

    Monday: Isolated showers and thunderstorms before 7am. Mostly sunny, with a high near 89. Heat index values as high as 100. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 10%.

    High: 89 °F

    Isolated
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. Northeast wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Northeast wind around 5 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. East northeast wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. East wind around 5 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 69. East southeast wind 5 to 10 mph becoming west southwest after midnight. Chance of precipitation is 50%.
Monday
Isolated showers and thunderstorms before 7am. Mostly sunny, with a high near 89. Heat index values as high as 100. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 10%.
Monday Night
Partly cloudy, with a low around 66. Northeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 85. Northeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 63. East northeast wind around 5 mph.
Wednesday
Sunny, with a high near 83. East wind around 5 mph.
Wednesday Night
Clear, with a low around 61.
Thursday
Sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 74.
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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:
6:56 pm CDT Aug 17, 2025
Forecast Valid:
9pm CDT Aug 17, 2025-6pm CDT Aug 24, 2025
 
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