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

Hazardous Weather Conditions

Current conditions at

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

Fog/Mist

66°F

19°C

Humidity 100%
Wind Speed W 5 mph
Barometer 29.83 in
Dewpoint 66°F (19°C)
Visibility 3.00 mi
Last update 18 Jun 6:15 am CDT
Extended Forecast for

Donnan IA

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 76. East wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers then
    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Northwest wind 7 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms then
    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 84. West wind 7 to 9 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. South wind 7 to 10 mph.

    Low: 66 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. Breezy, with a south wind 11 to 20 mph, with gusts as high as 28 mph.

    High: 88 °F

    Slight Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Breezy, with a south wind 18 to 21 mph, with gusts as high as 29 mph.

    Low: 76 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 94. Breezy, with a south wind 20 to 22 mph, with gusts as high as 31 mph.

    High: 94 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. Breezy, with a south wind around 18 mph, with gusts as high as 28 mph.

    Low: 76 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 93. Breezy, with a south wind 18 to 23 mph, with gusts as high as 32 mph.

    High: 93 °F

    Sunny and
    Breezy

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 76. East wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Northwest wind 7 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Sunny, with a high near 84. West wind 7 to 9 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. South wind 7 to 10 mph.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. Breezy, with a south wind 11 to 20 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 76. Breezy, with a south wind 18 to 21 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 94. Breezy, with a south wind 20 to 22 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 76. Breezy, with a south wind around 18 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 93. Breezy, with a south wind 18 to 23 mph, with gusts as high as 32 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Breezy, with a south wind 16 to 20 mph, with gusts as high as 29 mph.
Monday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 91. Breezy, with a south wind 14 to 16 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind 10 to 14 mph.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 84. Southwest wind around 11 mph. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Donnan IA
 42.91°N 91.86°W
Last Update:
5:14 am CDT Jun 18, 2025
Forecast Valid:
6am CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
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Additional Resources

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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