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

70°F

21°C

Humidity 94%
Wind Speed W 8 mph
Barometer 29.90 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 31 Aug 8:35 am CDT
Extended Forecast for

Alcester SD

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 89. North wind 5 to 10 mph.

    High: 89 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 68. East southeast wind around 5 mph.

    Low: 68 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 8am and 10am. Mostly cloudy, with a high near 89. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South southeast wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. North northeast wind around 5 mph becoming east southeast in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. East southeast wind 5 to 10 mph.

    Low: 67 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 89. North wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 68. East southeast wind around 5 mph.
Tuesday
A slight chance of showers and thunderstorms between 8am and 10am. Mostly cloudy, with a high near 89. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South southeast wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 86. North northeast wind around 5 mph becoming east southeast in the afternoon.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. East southeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 69.
Friday
Mostly sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 71.
Saturday
Mostly sunny, with a high near 89.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alcester SD
 43.02°N 96.63°W (Elev. 1394 ft)
Last Update:
8:23 am CDT Aug 31, 2026
Forecast Valid:
8am CDT Aug 31, 2026-6pm CDT Sep 6, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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