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.

Overcast and Breezy

-2°C

29°F

Humidity 85%
Wind Speed NE 35 G 65 km/h
Barometer 1002.3 mb (29.58 in)
Dewpoint -4°C (25°F)
Visibility 16 km
Wind Chill-9°C (15°F)
Last update 15 Mar 7:52 am CDT
Extended Forecast for

South Sioux City NE

Blizzard Warning until March 16, 01:00am
High Wind Warning March 15, 10:00am until March 16, 01:00am
Click here for hazard details and duration
Blizzard Warning
High Wind Warning
  •  
    Blizzard Warning until March 16, 01:00am

    NOW until 1:00am Mon

    Blizzard Warning

  • Today

    High: -1 °C⇓

    Snow and
    Blowing Snow

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before 7pm. Areas of blowing snow. Cloudy during the early evening, then gradual clearing, with a low around -17. Wind chill values as low as -28. Windy, with a north northwest wind 50 to 55 km/h decreasing to 40 to 45 km/h after midnight. Winds could gust as high as 85 km/h.

    Low: -17 °C

    Chance Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Patchy blowing snow before 1pm. Sunny, with a high near -7. Wind chill values as low as -29. Blustery, with a northwest wind 25 to 35 km/h, with gusts as high as 50 km/h.

    High: -7 °C

    Patchy
    Blowing Snow
    and Blustery

  • Monday Night

    Monday Night: Partly cloudy, with a low around -16. Northwest wind 15 to 20 km/h becoming north northwest 5 to 10 km/h after midnight.

    Low: -16 °C

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow after 1pm, mixing with rain after 4pm. Mostly cloudy, with a high near 4. South wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h. Chance of precipitation is 30%.

    High: 4 °C

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around -3. South wind 10 to 20 km/h becoming west northwest after midnight. Winds could gust as high as 30 km/h.

    Low: -3 °C

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 17.

    High: 17 °C

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 3.

    Low: 3 °C

    Partly Cloudy

Detailed Forecast

Today
Snow, mainly before 5pm. Widespread blowing snow, mainly after noon. Temperature falling to around -5 by 5pm. Windy, with a north wind 40 to 50 km/h increasing to 50 to 60 km/h in the afternoon. Winds could gust as high as 90 km/h. Chance of precipitation is 100%. Total daytime snow accumulation of around 6 centimeters.
Tonight
A 30 percent chance of snow, mainly before 7pm. Areas of blowing snow. Cloudy during the early evening, then gradual clearing, with a low around -17. Wind chill values as low as -28. Windy, with a north northwest wind 50 to 55 km/h decreasing to 40 to 45 km/h after midnight. Winds could gust as high as 85 km/h.
Monday
Patchy blowing snow before 1pm. Sunny, with a high near -7. Wind chill values as low as -29. Blustery, with a northwest wind 25 to 35 km/h, with gusts as high as 50 km/h.
Monday Night
Partly cloudy, with a low around -16. Northwest wind 15 to 20 km/h becoming north northwest 5 to 10 km/h after midnight.
Tuesday
A chance of snow after 1pm, mixing with rain after 4pm. Mostly cloudy, with a high near 4. South wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of rain before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around -3. South wind 10 to 20 km/h becoming west northwest after midnight. Winds could gust as high as 30 km/h.
Wednesday
Mostly sunny, with a high near 17.
Wednesday Night
Partly cloudy, with a low around 3.
Thursday
Sunny, with a high near 23.
Thursday Night
Partly cloudy, with a low around 7.
Friday
Mostly sunny, with a high near 25.
Friday Night
Mostly cloudy, with a low around 5.
Saturday
Partly sunny, with a high near 21.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Sioux City NE
 42.48°N 96.41°W (Elev. 1093 m)
Last Update:
7:48 am CDT Mar 15, 2026
Forecast Valid:
8am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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