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

42°F

6°C

Humidity 89%
Wind Speed SE 8 mph
Barometer 29.82 in (1010.3 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 16 Feb 7:52 am CST
Extended Forecast for

Sioux City IA

  • Washington's Birthday

    Washington's Birthday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65. East wind around 5 mph.

    High: 65 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. East southeast wind 5 to 10 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of sprinkles after 9am. Partly sunny, with a high near 72. East southeast wind 10 to 15 mph becoming south in the afternoon. Winds could gust as high as 30 mph.

    High: 72 °F

    Chance
    Sprinkles

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before midnight. Partly cloudy, with a low around 41. Breezy, with a south southwest wind 10 to 20 mph becoming west in the evening. Winds could gust 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. West northwest wind around 10 mph becoming north northeast after midnight.

    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

  • Friday

    Friday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

Detailed Forecast

Washington's Birthday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65. East wind around 5 mph.
Tonight
Mostly cloudy, with a low around 43. East southeast wind 5 to 10 mph.
Tuesday
A chance of sprinkles after 9am. Partly sunny, with a high near 72. East southeast wind 10 to 15 mph becoming south 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 south southwest wind 10 to 20 mph becoming west in the evening. Winds could gust 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. West northwest wind around 10 mph becoming north northeast after midnight.
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 after midnight. 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 96.39°W (Elev. 1099 ft)
Last Update:
6:43 am CST Feb 16, 2026
Forecast Valid:
8am 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