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Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

53°F

12°C

Humidity 89%
Wind Speed Calm
Barometer 30.05 in (1017.4 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 20 Jun 1:52 am CDT
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 4pm. Patchy fog before 7am. Otherwise, increasing clouds, with a high near 81. Calm wind becoming southeast around 5 mph.

    High: 81 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 58. East southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Showers

  • Sunday

    Sunday: Showers likely, mainly before noon. Cloudy, with a high near 71. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 54. East northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 77. North northeast wind around 5 mph becoming east in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 78. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 52. Calm wind.
Saturday
A 20 percent chance of showers after 4pm. Patchy fog before 7am. Otherwise, increasing clouds, with a high near 81. Calm wind becoming southeast around 5 mph.
Saturday Night
Showers and possibly a thunderstorm. Low around 58. East southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers likely, mainly before noon. Cloudy, with a high near 71. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Sunday Night
A slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 54. East northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 77. North northeast wind around 5 mph becoming east in the afternoon.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 78. Chance of precipitation is 40%.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 56.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.41°W (Elev. 1106 ft)
Last Update:
1:33 am CDT Jun 20, 2026
Forecast Valid:
2am CDT Jun 20, 2026-6pm CDT Jun 26, 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