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.

Mostly Cloudy and Windy

26°F

-3°C

Humidity 75%
Wind Speed NW 33 G 46 mph
Barometer 29.90 in (1013.7 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 10 Dec 5:52 am CST
Extended Forecast for

Sioux City IA

  • Today

    Today: A chance of flurries before 7am. Mostly cloudy, with a high near 27. Blustery, with a northwest wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 27 °F

    Chance
    Flurries and
    Blustery then
    Partly Sunny

  • Tonight

    Tonight: A slight chance of snow between 11pm and midnight. Cloudy, with a low around 19. North northwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 19 °F

    Slight Chance
    Snow then
    Cloudy

  • Thursday

    Thursday: A chance of snow and freezing rain before 1pm, then a chance of sleet between 1pm and 3pm, then a chance of freezing rain after 3pm. Cloudy, with a high near 31. South southeast wind 5 to 10 mph. Chance of precipitation is 40%. Little or no snow and sleet accumulation expected.

    High: 31 °F

    Chance Wintry
    Mix

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 16. Southeast wind 5 to 10 mph becoming north northwest in the evening. Winds could gust as high as 20 mph.

    Low: 16 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, with a high near 21. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 21 °F

    Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of snow after midnight. Cloudy, with a low around 6. North northwest wind 5 to 10 mph becoming east northeast after midnight.

    Low: 6 °F

    Cloudy then
    Chance Snow

  • Saturday

    Saturday: A 40 percent chance of snow before noon. Mostly cloudy, with a high near 11.

    High: 11 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -9.

    Low: -9 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 17.

    High: 17 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of flurries before 7am. Mostly cloudy, with a high near 27. Blustery, with a northwest wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Tonight
A slight chance of snow between 11pm and midnight. Cloudy, with a low around 19. North northwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Thursday
A chance of snow and freezing rain before 1pm, then a chance of sleet between 1pm and 3pm, then a chance of freezing rain after 3pm. Cloudy, with a high near 31. South southeast wind 5 to 10 mph. Chance of precipitation is 40%. Little or no snow and sleet accumulation expected.
Thursday Night
Mostly cloudy, with a low around 16. Southeast wind 5 to 10 mph becoming north northwest in the evening. Winds could gust as high as 20 mph.
Friday
Cloudy, with a high near 21. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 30 percent chance of snow after midnight. Cloudy, with a low around 6. North northwest wind 5 to 10 mph becoming east northeast after midnight.
Saturday
A 40 percent chance of snow before noon. Mostly cloudy, with a high near 11.
Saturday Night
Partly cloudy, with a low around -9.
Sunday
Mostly sunny, with a high near 17.
Sunday Night
Partly cloudy, with a low around 8.
Monday
Mostly sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
6:38 am CST Dec 10, 2025
Forecast Valid:
6am CST Dec 10, 2025-6pm CST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation