An Enduring Heat Wave Begins for Texas and Southern Plains

Starting today, a blazing Heat Wave will consume much of the Southern Plains and Lower MS Valley through early next week, especially for TX. Numerous Excessive Heat Warnings, Watches and Advisories are in effect for the mid-section of TX and OK and these hazards will only become more widespread. Expect record Highs temps and very dangerous Heat Indices, both surging well north of triple digits. Read More >

Hazardous Weather Conditions

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Mostly Cloudy

81°F

27°C

Humidity 65%
Wind Speed S 10 mph
Barometer 29.93 in (1012.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 18 Jul 5:52 pm CDT
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 4am. Some of the storms could be severe.  Low around 67. South southeast wind 5 to 10 mph becoming north northeast in the evening.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Severe
    Thunderstorms

    Low: 67 °F

  • Thursday

    Thursday: A slight chance of showers and thunderstorms, mainly between 10am and 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 83. South wind 10 to 15 mph becoming west northwest in the afternoon.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 83 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 63. Northwest wind 5 to 15 mph.

    Mostly Clear

    Low: 63 °F

  • Friday

    Friday: Mostly sunny, with a high near 84. North northwest wind 5 to 10 mph.

    Mostly Sunny

    High: 84 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 63. North northwest wind 5 to 10 mph becoming light north.

    Mostly Clear

    Low: 63 °F

  • Saturday

    Saturday: Sunny, with a high near 83.

    Sunny

    High: 83 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 63.

    Mostly Clear

    Low: 63 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    Mostly Sunny

    High: 83 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 65.

    Partly Cloudy

    Low: 65 °F

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 4am. Some of the storms could be severe. Low around 67. South southeast wind 5 to 10 mph becoming north northeast in the evening. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Thursday
A slight chance of showers and thunderstorms, mainly between 10am and 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 83. South wind 10 to 15 mph becoming west northwest in the afternoon. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 63. Northwest wind 5 to 15 mph.
Friday
Mostly sunny, with a high near 84. North northwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 63. North northwest wind 5 to 10 mph becoming light north.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Partly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Sioux City IA
 42.49°N 96.39°W (Elev. 1099 ft)
6:29 pm CDT Jul 18, 2018
6pm CDT Jul 18, 2018-6pm CDT Jul 25, 2018
 
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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