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Hazardous Weather Conditions

Current conditions at

Sioux County Regional Airport (KSXK)

Lat: 42.99°NLon: 96.16°WElev: 1409ft.

Fair

84°F

29°C

Humidity 70%
Wind Speed S 13 G 20 mph
Barometer 29.89 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 15 Jul 1:15 pm CDT
Extended Forecast for

Alton IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 89. South wind around 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 65. South wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 74. North wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. North wind 10 to 15 mph. Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 73. Northeast wind around 10 mph.

    High: 73 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. East southeast wind 5 to 10 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    T-storms
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 89. South wind around 15 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 65. South wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 74. North wind 5 to 10 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. North wind 10 to 15 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 73. Northeast wind around 10 mph.
Thursday Night
Mostly clear, with a low around 55. East southeast wind 5 to 10 mph.
Friday
Partly sunny, with a high near 79.
Friday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 64.
Sunday
Partly sunny, with a high near 82.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Monday
Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alton IA
 42.98°N 96.01°W (Elev. 1283 ft)
Last Update:
11:32 am CDT Jul 15, 2025
Forecast Valid:
1pm CDT Jul 15, 2025-6pm CDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation