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.

Fair

17°F

-8°C

Humidity 74%
Wind Speed SE 9 mph
Barometer 29.99 in (1017.5 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 15 Jan 6:52 am CST
Extended Forecast for

Sioux City IA

  • Today

    Today: A chance of sprinkles and flurries before 2pm, then a chance of sprinkles after 3pm. Cloudy, then gradual clearing during the afternoon, with a high near 44. South wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 44 °F

    Mostly Cloudy
    then Chance
    Sprinkles/Flurries

  • Tonight

    Tonight: A chance of rain and snow showers before 4am, then a chance of flurries between 4am and 5am, then a slight chance of snow showers after 5am. Partly cloudy, with a low around 27. Blustery, with a northwest wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 20%.

    Low: 27 °F

    Chance
    Sprinkles/Snow
    and Blustery

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a temperature falling to around 22 by 5pm. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 45 mph. New snow accumulation of less than a half inch possible.

    High: 31 °F⇓

    Chance Snow
    and Blustery

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 5. Blustery, with a north northwest wind 15 to 25 mph, with gusts as high as 40 mph.

    Low: 5 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 11. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 11 °F

    Partly Sunny
    and Blustery

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 1. Northwest wind 5 to 15 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.

    Low: 1 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of sprinkles and flurries before 2pm, then a chance of sprinkles after 3pm. Cloudy, then gradual clearing during the afternoon, with a high near 44. South wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Tonight
A chance of rain and snow showers before 4am, then a chance of flurries between 4am and 5am, then a slight chance of snow showers after 5am. Partly cloudy, with a low around 27. Blustery, with a northwest wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 20%.
Friday
A 50 percent chance of snow. Mostly cloudy, with a temperature falling to around 22 by 5pm. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 45 mph. New snow accumulation of less than a half inch possible.
Friday Night
Mostly cloudy, with a low around 5. Blustery, with a north northwest wind 15 to 25 mph, with gusts as high as 40 mph.
Saturday
Partly sunny, with a high near 11. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 1. Northwest wind 5 to 15 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Partly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 4.
M.L.King Day
Mostly sunny, with a high near 19.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Partly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
5:33 am CST Jan 15, 2026
Forecast Valid:
7am CST Jan 15, 2026-6pm CST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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