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

54°F

12°C

Humidity 45%
Wind Speed NE 12 mph
Barometer 29.77 in (1008.4 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 10 Mar 1:52 pm CDT
Extended Forecast for

Sioux City IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 56. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Snow likely, possibly mixed with rain, mainly before 5am. Increasing clouds, with a low around 31. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 31 °F

    Mostly Cloudy
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of snow before 8am. Cloudy through mid morning, then gradual clearing, with a high near 47. North northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 47 °F

    Chance Snow
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. Northwest wind 5 to 10 mph becoming south southwest after midnight.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, with a high near 64. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 64 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 31. Blustery, with a southwest wind 15 to 25 mph becoming northwest after midnight. Winds could gust as high as 35 mph.

    Low: 31 °F

    Slight Chance
    Rain and
    Blustery

  • Friday

    Friday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of snow, mainly after 1am. Cloudy, with a low around 33.

    Low: 33 °F

    Chance Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 56. North northeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
Snow likely, possibly mixed with rain, mainly before 5am. Increasing clouds, with a low around 31. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday
A 30 percent chance of snow before 8am. Cloudy through mid morning, then gradual clearing, with a high near 47. North northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 26. Northwest wind 5 to 10 mph becoming south southwest after midnight.
Thursday
Mostly cloudy, with a high near 64. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 31. Blustery, with a southwest wind 15 to 25 mph becoming northwest after midnight. Winds could gust as high as 35 mph.
Friday
Mostly cloudy, with a high near 46.
Friday Night
A 30 percent chance of snow, mainly after 1am. Cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 55.
Saturday Night
Rain likely before 1am, then rain and snow likely. Cloudy, with a low around 23. Chance of precipitation is 70%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 32. Breezy. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 7.
Monday
Partly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
1:33 pm CDT Mar 10, 2026
Forecast Valid:
2pm CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation