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

67°F

19°C

Humidity 36%
Wind Speed N 5 mph
Barometer 29.62 in (1002.6 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 12 Apr 8:52 pm CDT
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: Mostly clear, with a low around 54. West southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 25 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 85. Southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 85 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. West southwest wind 5 to 10 mph becoming north northwest after midnight.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 79. North northeast wind 5 to 10 mph.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 51. Northeast wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 74. East northeast wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 54. West southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 25 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 85. Southeast wind 5 to 15 mph becoming south southwest in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Mostly clear, with a low around 49. West southwest wind 5 to 10 mph becoming north northwest after midnight.
Tuesday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 79. North northeast wind 5 to 10 mph.
Tuesday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 51. Northeast wind 5 to 10 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 74. East northeast wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 47.
Thursday
Sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 53.
Friday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 67. Breezy.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Saturday
A chance of rain and snow showers. Mostly sunny, with a high near 50. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 61.
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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:
7:08 pm CDT Apr 12, 2026
Forecast Valid:
8pm CDT Apr 12, 2026-6pm CDT Apr 19, 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