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

Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fog/Mist

59°F

15°C

Humidity 100%
Wind Speed Calm
Barometer 29.99 in (1014.8 mb)
Dewpoint 59°F (15°C)
Visibility 5.00 mi
Last update 2 Aug 3:52 am CDT
Extended Forecast for

Sloan IA

  • Today

    Today: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 85 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Southeast wind around 10 mph.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 88. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 88 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 66. Breezy, with a south southeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 66 °F

    Partly Cloudy
    and Breezy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: 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 77. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. North northeast wind 5 to 10 mph becoming light in the evening. Chance of precipitation is 70%.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 76.

    High: 76 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 63. Southeast wind around 10 mph.
Monday
Mostly sunny, with a high near 88. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 66. Breezy, with a south southeast wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
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 77. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. North northeast wind 5 to 10 mph becoming light in the evening. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 61.
Friday
Mostly sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 88.
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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:
3:58 am CDT Aug 2, 2026
Forecast Valid:
4am CDT Aug 2, 2026-6pm CDT Aug 8, 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