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.

Light Rain Fog/Mist

58°F

14°C

Humidity 97%
Wind Speed E 12 mph
Barometer 29.61 in (1002.6 mb)
Dewpoint 57°F (14°C)
Visibility 2.50 mi
Last update 19 May 4:52 pm CDT
Extended Forecast for

Sioux City IA

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely. Cloudy, with a high near 61. East southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 48. Breezy, with an east wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 48 °F

    T-storms and
    Breezy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 2pm, then showers likely between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 55. North northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Cloudy, with a low around 41. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers. Mostly cloudy, with a high near 53. Northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 53 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 40. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers. Partly sunny, with a high near 64.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Cloudy, with a high near 61. East southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 48. Breezy, with an east wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm before 2pm, then showers likely between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 55. North northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Cloudy, with a low around 41. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 53. Northwest wind around 15 mph, with gusts as high as 30 mph.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 40. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Partly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 40.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 64.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 48.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 68.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 50.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 67.
Sunday Night
Showers likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Memorial Day
A 40 percent chance of showers. Partly sunny, with a high near 68.
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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:
4:31 pm CDT May 19, 2025
Forecast Valid:
5pm CDT May 19, 2025-6pm CDT May 26, 2025
 
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