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.

Fair

46°F

8°C

Humidity 76%
Wind Speed SE 12 mph
Barometer 29.90 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 13 Nov 9:55 pm CST
Extended Forecast for

Alton IA

  • Tonight

    Tonight: Mostly clear, with a low around 37. South wind around 5 mph.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 46. South southwest wind around 10 mph becoming northwest after midnight.

    Low: 46 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 58. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31. North northwest wind around 5 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 53. North northwest wind around 5 mph becoming west in the morning.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 37. South wind around 5 mph.
Friday
Sunny, with a high near 71. South wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Increasing clouds, with a low around 46. South southwest wind around 10 mph becoming northwest after midnight.
Saturday
Mostly sunny, with a high near 58. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 31. North northwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 53. North northwest wind around 5 mph becoming west in the morning.
Sunday Night
Partly cloudy, with a low around 32.
Monday
A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 47.
Monday Night
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 33.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alton IA
 42.98°N 96.01°W (Elev. 1283 ft)
Last Update:
9:58 pm CST Nov 13, 2025
Forecast Valid:
10pm CST Nov 13, 2025-6pm CST Nov 20, 2025
 
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