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.

Overcast

34°F

1°C

Humidity 79%
Wind Speed N 17 mph
Barometer 29.92 in (1013.9 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 11 Mar 1:52 am CDT
Extended Forecast for

Sioux City IA

High Wind Watch March 12, 09:00pm 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

  • Overnight

    Overnight: Rain likely before 3am, then rain and snow likely between 3am and 4am, then snow after 4am. Low around 30. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.

    Low: 30 °F

    Rain/Snow

  • Wednesday

    Wednesday: Snow likely before 8am, then a chance of flurries between 8am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 46. North northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Snow Likely
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. West northwest wind 5 to 10 mph becoming south southwest after midnight.

    Low: 25 °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 35 mph.

    High: 64 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 31. Windy, with a southwest wind 15 to 20 mph becoming northwest 25 to 30 mph in the evening. Winds could gust as high as 45 mph.

    Low: 31 °F

    Slight Chance
    Rain and
    Windy

  • Friday

    Friday: Mostly cloudy, with a high near 44. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 44 °F

    Partly Sunny
    and Breezy
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A 40 percent chance of snow. Cloudy, with a low around 30.

    Low: 30 °F

    Chance Snow

  • Saturday

    Saturday: Cloudy, with a high near 51.

    High: 51 °F

    Cloudy

  • Saturday Night

    Saturday Night: Rain and snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 70%.

    Low: 26 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Rain likely before 3am, then rain and snow likely between 3am and 4am, then snow after 4am. Low around 30. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Snow likely before 8am, then a chance of flurries between 8am and 9am. Cloudy through mid morning, then gradual clearing, with a high near 46. North northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly clear, with a low around 25. West 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 35 mph.
Thursday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 31. Windy, with a southwest wind 15 to 20 mph becoming northwest 25 to 30 mph in the evening. Winds could gust as high as 45 mph.
Friday
Mostly cloudy, with a high near 44. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night
A 40 percent chance of snow. Cloudy, with a low around 30.
Saturday
Cloudy, with a high near 51.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 70%.
Sunday
A 50 percent chance of snow. Cloudy, with a high near 34. Breezy.
Sunday Night
Partly cloudy, with a low around 8. Blustery.
Monday
Mostly sunny, with a high near 30.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 13.
Tuesday
Partly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
1:32 am CDT Mar 11, 2026
Forecast Valid:
2am CDT Mar 11, 2026-6pm CDT Mar 17, 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