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Hazardous Weather Conditions

Current conditions at

Sioux County Regional Airport (KSXK)

Lat: 42.99°NLon: 96.16°WElev: 1409ft.

Fair

64°F

18°C

Humidity 52%
Wind Speed S 10 mph
Barometer 30.22 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 3 Jun 12:35 am CDT
Extended Forecast for

Alton IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 58. South southeast wind around 10 mph.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Breezy, with a south wind 10 to 20 mph.

    High: 84 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 62. Breezy, with a south wind 15 to 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms and
    Breezy then
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Mostly cloudy, with a high near 81. South wind 10 to 15 mph. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. South wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 60 °F

    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. South southwest wind 5 to 10 mph.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 58. South southeast wind around 10 mph.
Wednesday
Mostly sunny, with a high near 84. Breezy, with a south wind 10 to 20 mph.
Wednesday Night
Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 62. Breezy, with a south wind 15 to 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Mostly cloudy, with a high near 81. South wind 10 to 15 mph. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. South wind 5 to 10 mph. Chance of precipitation is 70%.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. South southwest wind 5 to 10 mph.
Friday Night
Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 62.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Alton IA
 42.98°N 96.01°W (Elev. 1283 ft)
Last Update:
11:43 pm CDT Jun 2, 2026
Forecast Valid:
12am CDT Jun 3, 2026-6pm CDT Jun 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation