National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Sioux County Regional Airport (KSXK)

Lat: 42.99°NLon: 96.16°WElev: 1409ft.

Mostly Cloudy

64°F

18°C

Humidity 64%
Wind Speed NW 12 G 18 mph
Barometer 30.07 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 19 Jun 12:35 pm CDT
Extended Forecast for

5 Miles SSW Alton IA

  • Juneteenth

    Juneteenth: Showers, mainly before 5pm. Temperature falling to around 67 by 3pm. West northwest wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F⇓

    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 52. West southwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 4am, then showers likely and possibly a thunderstorm after 4am. Cloudy, with a low around 57. East wind around 10 mph. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 53. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Juneteenth
Showers, mainly before 5pm. Temperature falling to around 67 by 3pm. West northwest wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Partly cloudy, with a low around 52. West southwest wind 5 to 10 mph becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 4am, then showers likely and possibly a thunderstorm after 4am. Cloudy, with a low around 57. East wind around 10 mph. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 53. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Partly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Alton IA
 42.94°N 96.07°W (Elev. 1299 ft)
Last Update:
12:03 pm CDT Jun 19, 2026
Forecast Valid:
12pm CDT Jun 19, 2026-6pm CDT Jun 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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