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

37°F

3°C

Humidity 100%
Wind Speed NW 15 mph
Barometer 29.80 in (1010.0 mb)
Dewpoint 37°F (3°C)
Visibility 3.00 mi
Wind Chill28°F (-2°C)
Last update 26 Dec 5:52 am CST
Extended Forecast for

Sergeant Bluff IA

Dense Fog Advisory December 26, 06:34am until December 26, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory December 26, 06:34am until December 26, 09:00am

    NOW until 9:00am Fri

    Dense Fog Advisory

  • Today

    High: 45 °F

    Patchy Dense
    Fog

  • Tonight

    Tonight: Patchy fog before 10pm, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 36. Southeast wind around 5 mph.

    Low: 36 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 53. South southeast wind 5 to 10 mph.

    High: 53 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23. Blustery, with a light and variable wind becoming north northwest 15 to 20 mph in the evening. Winds could gust as high as 30 mph.

    Low: 23 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Sunday

    Sunday: A 30 percent chance of snow, mainly before noon. Cloudy, with a temperature rising to near 29 by 11am, then falling to around 21 during the remainder of the day. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 29 °F⇓

    Chance Snow
    and Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 7. Blustery, with a northwest wind around 20 mph, with gusts as high as 35 mph.

    Low: 7 °F

    Partly Cloudy
    and Blustery

  • Monday

    Monday: Sunny, with a high near 21.

    High: 21 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

Detailed Forecast

Today
Patchy dense fog before 1pm. Otherwise, partly sunny, with a high near 45. Northwest wind 5 to 10 mph becoming southeast in the afternoon.
Tonight
Patchy fog before 10pm, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 36. Southeast wind around 5 mph.
Saturday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 53. South southeast wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 23. Blustery, with a light and variable wind becoming north northwest 15 to 20 mph in the evening. Winds could gust as high as 30 mph.
Sunday
A 30 percent chance of snow, mainly before noon. Cloudy, with a temperature rising to near 29 by 11am, then falling to around 21 during the remainder of the day. Blustery, with a north northwest wind 20 to 25 mph, with gusts as high as 35 mph.
Sunday Night
Partly cloudy, with a low around 7. Blustery, with a northwest wind around 20 mph, with gusts as high as 35 mph.
Monday
Sunny, with a high near 21.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 18.
Wednesday
Partly sunny, with a high near 32.
Wednesday Night
Partly cloudy, with a low around 12.
New Year's Day
Mostly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sergeant Bluff IA
 42.39°N 96.35°W (Elev. 1089 ft)
Last Update:
5:48 am CST Dec 26, 2025
Forecast Valid:
6am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
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Additional Resources

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Chance of Precipitation