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

50°F

10°C

Humidity 74%
Wind Speed SE 9 mph
Barometer 29.74 in (1006.9 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 30 Mar 8:52 am CDT
Extended Forecast for

Sioux City IA

  • Today

    Today: Increasing clouds, with a high near 86. Southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 20 percent chance of showers after 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. West northwest wind 5 to 10 mph becoming east southeast after midnight. Winds could gust as high as 20 mph.

    Low: 46 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers between 7am and 1pm. Partly sunny, with a high near 58. Breezy, with a north wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

    High: 58 °F

    Slight Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow showers before 1pm, then rain and snow showers between 1pm and 4pm, then rain showers after 4pm. High near 42. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance Snow
    Showers then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain showers before 7pm, then rain, possibly mixed with snow showers. Low around 30. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow

  • Thursday

    Thursday: Rain and snow showers before 1pm, then a chance of rain showers. High near 41. Chance of precipitation is 80%.

    High: 41 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow showers after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow showers before 1pm, then rain showers likely. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.

    High: 46 °F

    Rain/Snow
    Likely

Detailed Forecast

Today
Increasing clouds, with a high near 86. Southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Tonight
A 20 percent chance of showers after 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 46. West northwest wind 5 to 10 mph becoming east southeast after midnight. Winds could gust as high as 20 mph.
Tuesday
A slight chance of showers between 7am and 1pm. Partly sunny, with a high near 58. Breezy, with a north wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 32. North wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of snow showers before 1pm, then rain and snow showers between 1pm and 4pm, then rain showers after 4pm. High near 42. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain showers before 7pm, then rain, possibly mixed with snow showers. Low around 30. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Rain and snow showers before 1pm, then a chance of rain showers. High near 41. Chance of precipitation is 80%.
Thursday Night
A chance of rain and snow showers after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Friday
A chance of rain and snow showers before 1pm, then rain showers likely. Mostly cloudy, with a high near 46. Chance of precipitation is 60%.
Friday Night
Rain showers likely before 1am, then a chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 46. Breezy. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 25. Blustery.
Sunday
Sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
8:39 am CDT Mar 30, 2026
Forecast Valid:
9am CDT Mar 30, 2026-6pm CDT Apr 5, 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