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

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair and Breezy

11°F

-12°C

Humidity 58%
Wind Speed NW 22 mph
Barometer 30.26 in (1027.1 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Wind Chill-8°F (-22°C)
Last update 16 Mar 10:52 am CDT
Extended Forecast for

Sioux City IA

  • Today

    Today: Sunny, with a high near 19. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 19 °F

    Sunny and
    Blustery

  • Tonight

    Tonight: Mostly clear, with a low around 3. North northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 3 °F

    Mostly Clear

  • Tuesday

    Tuesday: Snow likely before 5pm, then a chance of rain and snow. Increasing clouds, with a high near 34. South southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Slight Chance
    Snow then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: A 10 percent chance of rain before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 26. South southeast wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.

    Low: 26 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60. West northwest wind around 5 mph becoming southwest in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38. South wind around 5 mph becoming northwest after midnight.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 19. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 3. North northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Tuesday
Snow likely before 5pm, then a chance of rain and snow. Increasing clouds, with a high near 34. South southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
A 10 percent chance of rain before 7pm. Cloudy during the early evening, then gradual clearing, with a low around 26. South southeast wind 5 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny, with a high near 60. West northwest wind around 5 mph becoming southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 38. South wind around 5 mph becoming northwest after midnight.
Thursday
Sunny, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Mostly sunny, with a high near 58.
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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:
10:59 am CDT Mar 16, 2026
Forecast Valid:
11am CDT Mar 16, 2026-6pm CDT Mar 22, 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