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Major Spring snowstorm to bring heavy snow and high winds this weekend. Details here! Read More >

Current conditions at

Sioux County Regional Airport (KSXK)

Lat: 42.99°NLon: 96.16°WElev: 1409ft.

Light Snow and Windy

18°F

-8°C

Humidity 86%
Wind Speed NW 40 G 49 mph
Barometer 30.06 in
Dewpoint 14°F (-10°C)
Visibility 0.25 mi
Wind Chill-4°F (-20°C)
Last update 15 Mar 7:15 pm CDT
Extended Forecast for

Alton IA

Cold Weather Advisory March 16, 01:00am until March 16, 11:00am
High Wind Warning March 15, 07:39pm until March 16, 01:00am
Blizzard Warning March 15, 07:39pm until March 16, 01:00am
Click here for hazard details and duration
Cold Weather Advisory
High Wind Warning
Blizzard Warning
  •  
    High Wind Warning March 15, 07:39pm until March 16, 01:00am
    Blizzard Warning March 15, 07:39pm until March 16, 01:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: -2 °F

    Snow Likely
    and Blowing
    Snow then
    Blowing Snow
    and Windy

  • Monday

    Monday: Patchy blowing snow before 4pm. Sunny, with a high near 15. Wind chill values as low as -26. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 30 mph.

    High: 15 °F

    Patchy
    Blowing Snow
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around -1. Northwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: -1 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of snow after 1pm, mixing with sleet after 4pm.  Increasing clouds, with a high near 32. Breezy, with a light south southeast wind becoming south 15 to 20 mph in the morning.  Chance of precipitation is 50%. New snow and sleet accumulation of less than a half inch possible.

    High: 32 °F

    Partly Sunny
    then Chance
    Snow/Sleet
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of snow and sleet before 7pm, then a slight chance of snow between 7pm and 1am.  Cloudy, then gradually becoming partly cloudy, with a low around 23. South wind 5 to 15 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    Low: 23 °F

    Chance
    Snow/Sleet
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 52. West wind 5 to 10 mph.

    High: 52 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Tonight
Snow likely, mainly before 9pm. Widespread blowing snow, mainly before 1am. Cloudy during the early evening, then gradual clearing, with a low around -2. Wind chill values as low as -25. Windy, with a north northwest wind 30 to 35 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Monday
Patchy blowing snow before 4pm. Sunny, with a high near 15. Wind chill values as low as -26. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around -1. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
A chance of snow after 1pm, mixing with sleet after 4pm. Increasing clouds, with a high near 32. Breezy, with a light south southeast wind becoming south 15 to 20 mph in the morning. Chance of precipitation is 50%. New snow and sleet accumulation of less than a half inch possible.
Tuesday Night
A chance of snow and sleet before 7pm, then a slight chance of snow between 7pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 23. South wind 5 to 15 mph becoming west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 52. West wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 62. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Alton IA
 43°N 96.01°W (Elev. 1289 ft)
7:28 pm CDT Mar 15, 2026
7pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
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Additional Resources

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