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 and Breezy

34°F

1°C

Humidity 97%
Wind Speed NW 21 mph
Barometer 29.74 in (1007.6 mb)
Dewpoint 33°F (1°C)
Visibility 4.00 mi
Wind Chill22°F (-6°C)
Last update 6 Mar 2:52 pm CST
Extended Forecast for

Sioux City IA

  • This Afternoon

    This Afternoon: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 5pm. Patchy fog before 5pm. Otherwise, cloudy, with a steady temperature around 34. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 34 °F

    Rain Likely
    and Patchy
    Fog

  • Tonight

    Tonight: Rain or freezing rain before 3am, then a slight chance of snow between 3am and 5am. Some thunder is also possible. Patchy fog between 7pm and 8pm. Low around 27. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. Little or no snow accumulation expected.

    Low: 27 °F

    Rain/Freezing
    Rain and
    Patchy Fog
    then Chance
    Wintry Mix

  • Saturday

    Saturday: Mostly cloudy through mid morning, then gradual clearing, with a high near 50. Northwest wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 50 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 5pm. Patchy fog before 5pm. Otherwise, cloudy, with a steady temperature around 34. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain or freezing rain before 3am, then a slight chance of snow between 3am and 5am. Some thunder is also possible. Patchy fog between 7pm and 8pm. Low around 27. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. Little or no snow accumulation expected.
Saturday
Mostly cloudy through mid morning, then gradual clearing, with a high near 50. Northwest wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 34. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 69. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 41. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 30.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Mostly clear, with a low around 29.
Thursday
Mostly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
3:28 pm CST Mar 6, 2026
Forecast Valid:
3pm CST Mar 6, 2026-6pm CDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation