October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

82°F

28°C

Humidity 40%
Wind Speed SW 7 mph
Barometer 29.86 in (1010.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 6 Oct 1:52 pm CDT
Extended Forecast for

North Sioux City SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. West northwest wind around 5 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. Calm wind becoming north northwest around 5 mph after midnight.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Northwest wind around 5 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. Calm wind becoming north around 5 mph.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 71 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 55. Southeast wind around 5 mph.

    Low: 55 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Breezy.

    High: 83 °F

    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 84. West northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 53. Calm wind becoming north northwest around 5 mph after midnight.
Wednesday
Sunny, with a high near 76. Northwest wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 49. Calm wind becoming north around 5 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming east southeast around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 55. Southeast wind around 5 mph.
Friday
Sunny, with a high near 79.
Friday Night
Clear, with a low around 65.
Saturday
Sunny, with a high near 83. Breezy.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 58.
Columbus Day
Partly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
North Sioux City SD
 42.52°N 96.47°W (Elev. 1161 ft)
1:33 pm CDT Oct 6, 2026
2pm CDT Oct 6, 2026-6pm CDT Oct 12, 2026
 
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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