National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this week. Read More >

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

73°F

23°C

Humidity 30%
Wind Speed N 6 mph
Barometer 30.27 in (1025.0 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 4 Oct 4:52 pm CDT
Extended Forecast for

Sioux City IA

  • Tonight

    Tonight: Clear, with a low around 47. Calm wind.

    Low: 47 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 55. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. South wind 5 to 10 mph becoming west northwest in the afternoon.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74. Calm wind becoming north around 5 mph in the afternoon.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 47. Calm wind.
Monday
Sunny, with a high near 73. Light southeast wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Clear, with a low around 55. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 79. South wind 5 to 10 mph becoming west northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 54. Calm wind.
Wednesday
Sunny, with a high near 74. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Mostly sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 77. Breezy.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sioux City IA
 42.5°N 96.39°W (Elev. 1099 ft)
Last Update:
3:43 pm CDT Oct 4, 2026
Forecast Valid:
5pm CDT Oct 4, 2026-6pm CDT Oct 11, 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