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

27°F

-3°C

Humidity 89%
Wind Speed SE 3 mph
Barometer 30.18 in (1023.4 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 11 Jan 11:52 pm CST
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 27. South southwest wind around 5 mph becoming calm.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 54. West wind 5 to 10 mph becoming south in the morning.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. Southwest wind 5 to 10 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 35 mph.

    High: 57 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 28 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 34 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 27. South southwest wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 54. West wind 5 to 10 mph becoming south in the morning.
Monday Night
Partly cloudy, with a low around 35. Southwest wind 5 to 10 mph.
Tuesday
Partly sunny, with a high near 57. Breezy, with a west northwest wind 10 to 20 mph, with gusts as high as 35 mph.
Tuesday Night
Mostly cloudy, with a low around 28. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday
Mostly sunny, with a high near 34. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 42.
Thursday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 27.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 35. Breezy.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
Mostly sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.48°N 96.41°W (Elev. 1093 ft)
Last Update:
11:23 pm CST Jan 11, 2026
Forecast Valid:
12am CST Jan 12, 2026-6pm CST Jan 18, 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