Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Current conditions at

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

Fair

64°F

18°C

Humidity 88%
Wind Speed N 8 mph
Barometer 30.04 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 9 Sep 11:55 pm CDT
Extended Forecast for

Dunkerton IA

  • Overnight

    Overnight: Partly cloudy, with a low around 57. North wind around 5 mph becoming calm.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 77. Light northwest wind.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. Calm wind becoming south southeast around 6 mph in the evening.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. Breezy, with a south wind 7 to 16 mph, with gusts as high as 22 mph.

    High: 78 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 63. South southeast wind 11 to 15 mph, with gusts as high as 21 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Mostly Clear
    then Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers and thunderstorms.  Partly sunny, with a high near 77. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 56.

    Low: 56 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 73.

    High: 73 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 62. Breezy.

    Low: 62 °F

    Chance
    T-storms and
    Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around 57. North wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 77. Light northwest wind.
Thursday Night
Mostly clear, with a low around 57. Calm wind becoming south southeast around 6 mph in the evening.
Friday
Sunny, with a high near 78. Breezy, with a south wind 7 to 16 mph, with gusts as high as 22 mph.
Friday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 63. South southeast wind 11 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 73.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Breezy.
Monday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. Breezy. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Breezy. Chance of precipitation is 70%.
Tuesday
Partly sunny, with a high near 71.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Dunkerton IA
 42.57°N 92.17°W
10:47 pm CDT Sep 9, 2026
12am CDT Sep 10, 2026-6pm CDT Sep 16, 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