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

43°F

6°C

Humidity 49%
Wind Speed NW 15 G 20 mph
Barometer 30.26 in (1025.8 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 11 Mar 3:52 pm CDT
Extended Forecast for

Sioux City IA

High Wind Watch March 12, 07:00pm until March 13, 07:00am
Fire Weather Watch March 12, 12:00pm until March 12, 09:00pm
Click here for hazard details and duration
High Wind Watch
Fire Weather Watch

  • This Afternoon

    This Afternoon: A chance of sprinkles after 5pm. Sunny, with a steady temperature around 43. Northwest wind around 15 mph, with gusts as high as 20 mph.

    High: 43 °F

    Chance
    Sprinkles

  • Tonight

    Tonight: A chance of sprinkles before 8pm. Mostly clear, with a low around 25. West northwest wind 5 to 10 mph becoming south after midnight.

    Low: 25 °F

    Chance
    Sprinkles

  • Thursday

    Thursday: Partly sunny, with a high near 65. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 65 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 30. Blustery, with a southwest wind 20 to 25 mph becoming northwest in the evening. Winds could gust as high as 55 mph.

    Low: 30 °F

    Blustery.
    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 44. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 35 mph.

    High: 44 °F

    Partly Sunny
    and Breezy
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A 50 percent chance of snow. Cloudy, with a low around 28. North northwest wind around 5 mph becoming east after midnight. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow

  • Saturday

    Saturday: A slight chance of snow before 1pm, then a slight chance of rain. Mostly cloudy, with a high near 49. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain and snow. Low around 26. Chance of precipitation is 80%.

    Low: 26 °F

    Rain/Snow

  • Sunday

    Sunday: Rain and snow likely before 1pm, then a chance of snow. Cloudy, with a high near 35. Windy. Chance of precipitation is 70%.

    High: 35 °F

    Rain/Snow
    Likely and
    Windy

Detailed Forecast

This Afternoon
A chance of sprinkles after 5pm. Sunny, with a steady temperature around 43. Northwest wind around 15 mph, with gusts as high as 20 mph.
Tonight
A chance of sprinkles before 8pm. Mostly clear, with a low around 25. West northwest wind 5 to 10 mph becoming south after midnight.
Thursday
Partly sunny, with a high near 65. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph.
Thursday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 30. Blustery, with a southwest wind 20 to 25 mph becoming northwest in the evening. Winds could gust as high as 55 mph.
Friday
Partly sunny, with a high near 44. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 35 mph.
Friday Night
A 50 percent chance of snow. Cloudy, with a low around 28. North northwest wind around 5 mph becoming east after midnight. New snow accumulation of less than a half inch possible.
Saturday
A slight chance of snow before 1pm, then a slight chance of rain. Mostly cloudy, with a high near 49. Chance of precipitation is 20%.
Saturday Night
Rain and snow. Low around 26. Chance of precipitation is 80%.
Sunday
Rain and snow likely before 1pm, then a chance of snow. Cloudy, with a high near 35. Windy. Chance of precipitation is 70%.
Sunday Night
Partly cloudy, with a low around 5. Blustery.
Monday
Mostly sunny, with a high near 25.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
A 30 percent chance of snow. Mostly cloudy, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Mostly 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 96.39°W (Elev. 1099 ft)
Last Update:
3:38 pm CDT Mar 11, 2026
Forecast Valid:
4pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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