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

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

Fair

68°F

20°C

Humidity 49%
Wind Speed SW 15 G 24 mph
Barometer 29.97 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 6 Oct 10:55 am CDT
Extended Forecast for

Sumner IA

  • Today

    Today: Sunny, with a high near 75. Breezy, with a south southwest wind 13 to 18 mph, with gusts as high as 26 mph.

    High: 75 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 54. Southwest wind 5 to 9 mph becoming north northwest after midnight.

    Low: 54 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 73. Northwest wind 5 to 9 mph.

    High: 73 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. West northwest wind around 6 mph.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66. North northwest wind 3 to 6 mph.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. Windy.

    High: 76 °F

    Sunny and
    Windy

Detailed Forecast

Today
Sunny, with a high near 75. Breezy, with a south southwest wind 13 to 18 mph, with gusts as high as 26 mph.
Tonight
Increasing clouds, with a low around 54. Southwest wind 5 to 9 mph becoming north northwest after midnight.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 73. Northwest wind 5 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 49. West northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 66. North northwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 76. Windy.
Saturday Night
Mostly clear, with a low around 60. Windy.
Sunday
Sunny, with a high near 75. Breezy.
Sunday Night
Mostly clear, with a low around 56.
Columbus Day
A 30 percent chance of showers. Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.87°N 92.1°W
11:02 am CDT Oct 6, 2026
11am 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