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

38°F

3°C

Humidity 39%
Wind Speed NE 12 mph
Barometer 30.41 in (1030.8 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 6 Apr 10:52 pm CDT
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: A 40 percent chance of snow showers. Cloudy, with a low around 27. East wind around 10 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: A chance of snow showers before 4pm, then drizzle likely. Cloudy, with a high near 40. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance Snow
    Showers then
    Drizzle/Snow
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers or drizzle before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a temperature falling to near 38 by 10pm, then rising to around 43 during the remainder of the night. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 38 °F⇑

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 65. Breezy, with a south wind 15 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 65 °F

    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Partly cloudy, with a low around 35. West northwest wind 5 to 10 mph.

    Low: 35 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 57. Northeast wind around 5 mph. Chance of precipitation is 50%.

    High: 57 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 40 percent chance of snow showers. Cloudy, with a low around 27. East wind around 10 mph. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
A chance of snow showers before 4pm, then drizzle likely. Cloudy, with a high near 40. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of showers or drizzle before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a temperature falling to near 38 by 10pm, then rising to around 43 during the remainder of the night. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 65. Breezy, with a south wind 15 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 35. West northwest wind 5 to 10 mph.
Thursday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 57. Northeast wind around 5 mph. Chance of precipitation is 50%.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 58.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 40.
Saturday
Showers likely. Cloudy, with a high near 62. Chance of precipitation is 70%.
Saturday Night
Showers likely. Cloudy, with a low around 53. Chance of precipitation is 70%.
Sunday
Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 53.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 74.
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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:
7:18 pm CDT Apr 6, 2026
Forecast Valid:
11pm CDT Apr 6, 2026-6pm CDT Apr 13, 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