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

52°F

11°C

Humidity 72%
Wind Speed SW 18 mph
Barometer 29.79 in (1008.8 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 15 Feb 11:52 pm CST
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. South southwest wind 10 to 15 mph decreasing to 5 to 10 mph. Winds could gust as high as 25 mph.

    Low: 38 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 65. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 43. East southeast wind 5 to 10 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 72. East southeast wind 10 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 30 mph.

    High: 72 °F

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before midnight. Partly cloudy, with a low around 41. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 41 °F

    Chance Rain
    then Mostly
    Clear and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 57. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 57 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.

    High: 38 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. South southwest wind 10 to 15 mph decreasing to 5 to 10 mph. Winds could gust as high as 25 mph.
Washington's Birthday
Mostly sunny, with a high near 65. Calm wind becoming east southeast around 5 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 43. East southeast wind 5 to 10 mph.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 72. East southeast wind 10 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
A 30 percent chance of rain before midnight. Partly cloudy, with a low around 41. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 57. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 16.
Friday
Partly sunny, with a high near 33.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 16.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 37.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 13.
Sunday
Mostly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
12:33 am CST Feb 16, 2026
Forecast Valid:
12am CST Feb 16, 2026-6pm CST Feb 22, 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