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

25°F

-4°C

Humidity 48%
Wind Speed NW 20 mph
Barometer 30.16 in (1022.9 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 21 Jan 5:52 pm CST
Extended Forecast for

2 Miles SSE Jefferson SD

Extreme Cold Watch January 22, 09:00pm until January 23, 02:00pm
Click here for hazard details and duration
Extreme Cold Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 12. Blustery, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 12 °F

    Mostly Clear
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 23. Blustery, with a west wind 5 to 10 mph becoming north northwest 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 23 °F

    Partly Sunny
    then Partly
    Sunny and
    Blustery

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -12. Wind chill values as low as -31. North wind around 15 mph, with gusts as high as 20 mph.

    Low: -12 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near -1. Wind chill values as low as -32. North wind 5 to 15 mph.

    High: -1 °F

    Cold

  • Friday Night

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

    Low: -6 °F

    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow. Mostly cloudy, with a high near 8. South southeast wind around 5 mph.

    High: 8 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -5.

    Low: -5 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 12.

    High: 12 °F

    Mostly Sunny

  • Sunday Night

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

    Low: -9 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 12. Blustery, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Partly sunny, with a high near 23. Blustery, with a west wind 5 to 10 mph becoming north northwest 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around -12. Wind chill values as low as -31. North wind around 15 mph, with gusts as high as 20 mph.
Friday
Partly sunny and cold, with a high near -1. Wind chill values as low as -32. North wind 5 to 15 mph.
Friday Night
A 30 percent chance of snow, mainly after midnight. Cloudy, with a low around -6. North wind around 5 mph becoming east after midnight.
Saturday
A 20 percent chance of snow. Mostly cloudy, with a high near 8. South southeast wind around 5 mph.
Saturday Night
Mostly cloudy, with a low around -5.
Sunday
Mostly sunny, with a high near 12.
Sunday Night
Partly cloudy, with a low around -9.
Monday
Sunny, with a high near 21.
Monday Night
Mostly clear, with a low around 7.
Tuesday
Partly sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 8.
Wednesday
Mostly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Jefferson SD
 42.56°N 96.53°W (Elev. 1102 ft)
Last Update:
5:58 pm CST Jan 21, 2026
Forecast Valid:
6pm CST Jan 21, 2026-6pm CST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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