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

12°F

-11°C

Humidity 73%
Wind Speed NW 10 mph
Barometer 30.20 in (1024.9 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 16 Mar 10:52 pm CDT
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: Partly cloudy, with a low around 3. North northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 3 °F

    Partly Cloudy

  • 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 62. West northwest wind around 5 mph.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 71. Northwest wind around 5 mph.

    High: 71 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 3. North northwest wind 5 to 10 mph becoming light and variable after midnight.
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 62. West northwest wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 38. South southwest wind around 5 mph becoming west northwest after midnight.
Thursday
Mostly sunny, with a high near 71. Northwest wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 52.
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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:
9:18 pm CDT Mar 16, 2026
Forecast Valid:
10pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation