National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Winter Weather Resource Page

Major Spring snowstorm to bring heavy snow and high winds this weekend. Details here! Read More >

Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Light Rain Fog/Mist

34°F

1°C

Humidity 97%
Wind Speed N 20 mph
Barometer 29.52 in (1000.0 mb)
Dewpoint 33°F (1°C)
Visibility 6.00 mi
Wind Chill23°F (-5°C)
Last update 15 Mar 4:52 am CDT
Extended Forecast for

Sioux City IA

Blizzard Warning March 15, 07:00am 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

  • Overnight

    Overnight: Rain likely. Cloudy, with a steady temperature around 35. North northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Rain Likely

  • Sunday

    Sunday: Rain, snow, and sleet likely before 7am, then snow. Widespread blowing snow, mainly after 1pm. Temperature falling to around 24 by 5pm. Windy, with a north northwest wind 25 to 30 mph increasing to 30 to 35 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow and sleet accumulation of around 2 inches.

    High: 30 °F⇓

    Wintry Mix
    and Blowing
    Snow

  • Sunday Night

    Sunday Night: 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 2. Wind chill values as low as -18. Windy, with a north northwest wind 25 to 35 mph, with gusts as high as 50 mph.

    Low: 2 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Patchy blowing snow before 10am. Sunny, with a high near 19. Wind chill values as low as -20. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 19 °F

    Patchy
    Blowing Snow
    and Blustery
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3. Northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of snow after 1pm, mixing with rain after 4pm. Mostly cloudy, with a high near 38. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 38 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 7pm. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain likely. Cloudy, with a steady temperature around 35. North northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, snow, and sleet likely before 7am, then snow. Widespread blowing snow, mainly after 1pm. Temperature falling to around 24 by 5pm. Windy, with a north northwest wind 25 to 30 mph increasing to 30 to 35 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow and sleet accumulation of around 2 inches.
Sunday Night
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 2. Wind chill values as low as -18. Windy, with a north northwest wind 25 to 35 mph, with gusts as high as 50 mph.
Monday
Patchy blowing snow before 10am. Sunny, with a high near 19. Wind chill values as low as -20. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 3. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
A chance of snow after 1pm, mixing with rain after 4pm. Mostly cloudy, with a high near 38. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of rain before 7pm. Mostly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
3:43 am CDT Mar 15, 2026
Forecast Valid:
5am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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