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

40°F

4°C

Humidity 86%
Wind Speed SE 10 mph
Barometer 29.90 in (1013.3 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 8 Apr 12:52 am CDT
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: Partly cloudy, with a low around 37. South southeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between noon and 1pm. Mostly sunny, with a high near 65. South wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    High: 65 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. West northwest wind 5 to 10 mph.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of snow showers before 8am, then rain showers likely. Some thunder is also possible. Partly sunny, with a high near 56. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 56 °F

    Slight Chance
    Rain/Snow
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Cloudy during the early evening, then gradual clearing, with a low around 32. Northeast wind around 5 mph. Chance of precipitation is 40%.

    Low: 32 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 59. North northeast wind around 5 mph.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely. Cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. South southeast wind around 15 mph, with gusts as high as 30 mph.
Wednesday
A slight chance of showers between noon and 1pm. Mostly sunny, with a high near 65. South wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 31. West northwest wind 5 to 10 mph.
Thursday
A slight chance of snow showers before 8am, then rain showers likely. Some thunder is also possible. Partly sunny, with a high near 56. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Cloudy during the early evening, then gradual clearing, with a low around 32. Northeast wind around 5 mph. Chance of precipitation is 40%.
Friday
Sunny, with a high near 59. North northeast wind around 5 mph.
Friday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 41.
Saturday
Showers likely. Cloudy, with a high near 65. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 57. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 75. Breezy. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Monday
A 40 percent chance of showers. Mostly sunny, with a high near 75.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 36.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 51.
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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 am CDT Apr 8, 2026
Forecast Valid:
1am CDT Apr 8, 2026-6pm CDT Apr 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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