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Tropical Depression Nine in the Gulf of America; California October Heat Wave Continues

Tropical Depression Nine is forecast to track toward the central U.S. Gulf Coast while strengthening into a tropical storm by early Wednesday and a hurricane on Thursday. Stay tuned to forecast updates. Much higher than typical October temperatures will continue across much of California through midweek. Temperatures are forecast to gradually cool beginning Thursday in Coastal California. Read More >

Current conditions at

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

Fair

66°F

19°C

Humidity 68%
Wind Speed S 8 mph
Barometer 29.84 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 6 Oct 7:55 pm CDT
Extended Forecast for

Sumner IA

  • Tonight

    Tonight: Patchy fog between 1am and 3am. Otherwise, mostly clear, with a low around 53. Southwest wind 5 to 9 mph becoming northwest after midnight.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Sunny, with a high near 72. West northwest wind 6 to 10 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. North northwest wind 6 to 8 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Northwest wind 3 to 6 mph.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. Light south wind.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Mostly sunny, with a high near 70. Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Windy.

    High: 78 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. Windy.

    Low: 59 °F

    Clear and
    Windy then
    Mostly Clear

Detailed Forecast

Tonight
Patchy fog between 1am and 3am. Otherwise, mostly clear, with a low around 53. Southwest wind 5 to 9 mph becoming northwest after midnight.
Wednesday
Sunny, with a high near 72. West northwest wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 50. North northwest wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 67. Northwest wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 50. Light south wind.
Friday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Mostly sunny, with a high near 70. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 78. Windy.
Saturday Night
Mostly clear, with a low around 59. Windy.
Sunday
Sunny, with a high near 76. Breezy.
Sunday Night
Partly cloudy, with a low around 56.
Columbus Day
A 30 percent chance of showers. Partly sunny, with a high near 72.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 54.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.85°N 92.1°W
Last Update:
6:21 pm CDT Oct 6, 2026
Forecast Valid:
8pm CDT Oct 6, 2026-6pm CDT Oct 13, 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