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Hazardous Weather Conditions

Current conditions at

Sioux County Regional Airport (KSXK)

Lat: 42.99°NLon: 96.16°WElev: 1409ft.

Fair

75°F

24°C

Humidity 78%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 18 Aug 7:55 pm CDT
Extended Forecast for

5 Miles SSW Alton IA

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 79. East wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 82. South southwest wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 61. South southwest wind around 5 mph.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 62. Calm wind.
Wednesday
A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 79. East wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 59. Calm wind.
Thursday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 82. South southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday Night
A 50 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 61. South southwest wind around 5 mph.
Friday
Sunny, with a high near 82. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Mostly cloudy, with a high near 76.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Alton IA
 42.94°N 96.07°W (Elev. 1299 ft)
Last Update:
7:53 pm CDT Aug 18, 2026
Forecast Valid:
8pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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