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

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

59°F

15°C

Humidity 96%
Wind Speed Calm
Barometer 30.09 in (1018.4 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 9 Sep 11:52 pm CDT
Extended Forecast for

Sloan IA

  • Overnight

    Overnight: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 83. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 83 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 62. South wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 74. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear
    then Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers. Mostly cloudy, with a high near 76.

    High: 76 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 54. Calm wind.
Thursday
Sunny, with a high near 82. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 62. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 83. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.
Friday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 62. South wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 74. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 56.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 76.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Monday
Showers likely, mainly before 1pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 70.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 55.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sloan IA
 42.24°N 96.23°W (Elev. 1070 ft)
Last Update:
11:58 pm CDT Sep 9, 2026
Forecast Valid:
12am CDT Sep 10, 2026-6pm CDT Sep 16, 2026
 
Forecast Discussion
 
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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