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

42°F

6°C

Humidity 55%
Wind Speed N 12 mph
Barometer 30.06 in (1018.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 8 Apr 11:52 pm CDT
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: Partly cloudy, with a low around 32. North wind around 5 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely, mainly after 4pm. Increasing clouds, with a high near 56. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 30. Northeast wind 5 to 10 mph.

    Low: 30 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59. Northeast wind around 5 mph.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 40. East southeast wind 5 to 10 mph.

    Low: 40 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 67. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 67 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 59. Breezy. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely and
    Breezy

  • Sunday

    Sunday: Showers likely. Mostly cloudy, with a high near 79. Breezy. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 32. North wind around 5 mph.
Thursday
Showers likely, mainly after 4pm. Increasing clouds, with a high near 56. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 40 percent chance of showers before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 30. Northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 59. Northeast wind around 5 mph.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 40. East southeast wind 5 to 10 mph.
Saturday
Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 67. South southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 59. Breezy. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 79. Breezy. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 55.
Monday
A 30 percent chance of showers after 1pm. Sunny, with a high near 80.
Monday Night
A 40 percent chance of showers. Partly cloudy, with a low around 43.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 55.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow showers. Mostly sunny, with a high near 52. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
11:34 pm CDT Apr 8, 2026
Forecast Valid:
12am CDT Apr 9, 2026-6pm CDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation