Current conditions at

Sioux County Regional Airport (KSXK)

Lat: 42.99°NLon: 96.16°WElev: 1409ft.

Partly Cloudy

41°F

5°C

Humidity 76%
Wind Speed SE 7 mph
Barometer 30.11 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 13 Nov 12:55 am CST
Extended Forecast for

Alton IA

  • Overnight

    Overnight: Partly cloudy, with a low around 30. Calm wind becoming east southeast around 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 60. South wind 5 to 10 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. South southeast wind around 5 mph.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68. South wind 5 to 15 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. South wind around 10 mph becoming west northwest after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 30. Calm wind becoming east southeast around 5 mph.
Thursday
Sunny, with a high near 60. South wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 37. South southeast wind around 5 mph.
Friday
Sunny, with a high near 68. South wind 5 to 15 mph.
Friday Night
Mostly cloudy, with a low around 44. South wind around 10 mph becoming west northwest after midnight.
Saturday
Mostly sunny, with a high near 59. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 33.
Monday
A 50 percent chance of rain. Partly sunny, with a high near 47.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Mostly cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
Alton IA
 43°N 96.01°W (Elev. 1289 ft)
10:43 pm CST Nov 12, 2025
1am CST Nov 13, 2025-6pm CST Nov 19, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database