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

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Donnan IA

  • Overnight

    Overnight: Clear, with a low around 51. Northwest wind around 6 mph.

    Low: 51 °F

    Clear

  • Juneteenth

    Juneteenth: Scattered showers and thunderstorms after 2pm. Increasing clouds, with a high near 75. West wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Sunny then
    Scattered
    T-storms

  • Friday Night

    Friday Night: Scattered showers and thunderstorms, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. West wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Scattered
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76. Northwest wind 7 to 9 mph.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56. Northwest wind 5 to 8 mph becoming light and variable.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 68. Breezy, with an east wind 10 to 17 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 68 °F

    Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 53. Breezy, with a northeast wind 11 to 17 mph. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 72. Northeast wind 8 to 10 mph.

    High: 72 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. Northeast wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 51. Northwest wind around 6 mph.
Juneteenth
Scattered showers and thunderstorms after 2pm. Increasing clouds, with a high near 75. West wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Scattered showers and thunderstorms, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 54. West wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 76. Northwest wind 7 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 56. Northwest wind 5 to 8 mph becoming light and variable.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 68. Breezy, with an east wind 10 to 17 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 53. Breezy, with a northeast wind 11 to 17 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 72. Northeast wind 8 to 10 mph.
Monday Night
Partly cloudy, with a low around 53. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 74. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56. Southwest wind around 7 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75. Northwest wind 8 to 10 mph.
Wednesday Night
Mostly clear, with a low around 55. Northwest wind 3 to 8 mph.
Thursday
Mostly sunny, with a high near 75. North wind around 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Donnan IA
 42.89°N 91.86°W
Last Update:
1:26 am CDT Jun 19, 2026
Forecast Valid:
1am CDT Jun 19, 2026-6pm CDT Jun 25, 2026
 
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Additional Resources

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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