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Tropical Storm Near The Texas Coastline; Tropical Storm Warnings In Effect

Tropical Storm Imelda is near the TX coastline, just southwest of Galveston. Heavy rainfall of 5 to 10 inches w/ locally higher amounts of up to 15 inches can be expected, which may produce life-threatening flash flooding. Gusty winds, rough surf and rip currents will also be a concern. Hurricane Humberto will continue to produce dangerous rip currents/rough surf along the East Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

24°C

76°F

Humidity 77%
Wind Speed SE 20 km/h
Barometer 1009.8 mb (29.85 in)
Dewpoint 20°C (68°F)
Visibility 16 km
Heat Index25°C (77°F)
Last update 18 Sep 12:52 am CDT
Extended Forecast for

Sioux City IA

  • Overnight

    Overnight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 22. South wind 20 to 25 km/h. Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 22 °C

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 29. South wind 10 to 15 km/h becoming west northwest in the afternoon. Chance of precipitation is 10%.

    Slight Chance
    T-storms then
    Mostly Sunny

    High: 29 °C

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely, mainly after 1am. Increasing clouds, with a low around 18. Calm wind. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.

    Chance
    T-storms then
    T-storms
    Likely

    Low: 18 °C

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 10am. Partly sunny, with a high near 29. East wind 5 to 10 km/h becoming southeast 10 to 15 km/h in the morning. Chance of precipitation is 60%.

    T-storms
    Likely then
    Slight Chance
    T-storms

    High: 29 °C

  • Thursday
    Night

    Thursday Night: A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 20. South southeast wind 10 to 15 km/h. Chance of precipitation is 20%.

    Partly Cloudy
    then Slight
    Chance
    T-storms

    Low: 20 °C

  • Friday

    Friday: A chance of showers and thunderstorms. Partly sunny, with a high near 29. South wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h. Chance of precipitation is 30%.

    Chance
    T-storms

    High: 29 °C

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 70%.

    Chance
    T-storms then
    T-storms
    Likely

    Low: 19 °C

  • Saturday

    Saturday: A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 26. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 26 °C

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 13.

    Mostly Clear

    Low: 13 °C

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 22. South wind 20 to 25 km/h. Chance of precipitation is 50%.
Wednesday
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 29. South wind 10 to 15 km/h becoming west northwest in the afternoon. Chance of precipitation is 10%.
Wednesday Night
Showers and thunderstorms likely, mainly after 1am. Increasing clouds, with a low around 18. Calm wind. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.
Thursday
Showers and thunderstorms likely, mainly before 10am. Partly sunny, with a high near 29. East wind 5 to 10 km/h becoming southeast 10 to 15 km/h in the morning. Chance of precipitation is 60%.
Thursday Night
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 20. South southeast wind 10 to 15 km/h. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 29. South wind 10 to 15 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h. Chance of precipitation is 30%.
Friday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 19. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 26. Chance of precipitation is 40%.
Saturday Night
Mostly clear, with a low around 13.
Sunday
Sunny, with a high near 25.
Sunday Night
Mostly clear, with a low around 13.
Monday
Sunny, with a high near 27.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 15. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 26. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Sioux City IA
 42.49°N 96.39°W (Elev. 335 m)
Last Update:
2:01 am CDT Sep 18, 2019
Forecast Valid:
2am CDT Sep 18, 2019-6pm CDT Sep 24, 2019
 
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