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.

Fair

52°F

11°C

Humidity 77%
Wind Speed NE 7 mph
Barometer 29.71 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 9 Mar 9:35 pm CDT
Extended Forecast for

Donnan IA

  • Tonight

    Tonight: Mostly clear, with a low around 37. Northeast wind 6 to 8 mph.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55. East wind 11 to 15 mph.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of rain showers after 4am. Mostly cloudy, with a low around 33. North wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow showers before 10am, then a chance of snow showers between 10am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 42. Breezy, with a north wind 16 to 21 mph. Chance of precipitation is 30%.

    High: 42 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 25. West wind 6 to 13 mph.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 47. Breezy, with a west wind 6 to 11 mph becoming south 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 47 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: Rain showers likely before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 31. Breezy, with a south wind 17 to 21 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%.

    Low: 31 °F

    Breezy.
    Showers
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: Partly sunny, with a high near 44. Breezy, with a northwest wind 14 to 21 mph.

    High: 44 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 28. Northwest wind 6 to 9 mph becoming east after midnight.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 37. Northeast wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 55. East wind 11 to 15 mph.
Tuesday Night
A chance of rain showers before 1am, then a chance of rain and snow showers between 1am and 4am, then a chance of rain showers after 4am. Mostly cloudy, with a low around 33. North wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow showers before 10am, then a chance of snow showers between 10am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 42. Breezy, with a north wind 16 to 21 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 25. West wind 6 to 13 mph.
Thursday
Partly sunny, with a high near 47. Breezy, with a west wind 6 to 11 mph becoming south 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.
Thursday Night
Rain showers likely before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 31. Breezy, with a south wind 17 to 21 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 44. Breezy, with a northwest wind 14 to 21 mph.
Friday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 28. Northwest wind 6 to 9 mph becoming east after midnight.
Saturday
A slight chance of snow showers before 1pm, then a slight chance of rain and snow showers. Cloudy, with a high near 44. Southeast wind 10 to 13 mph. Chance of precipitation is 20%.
Saturday Night
Rain and snow showers likely. Cloudy, with a low around 29. Blustery, with an east wind 11 to 17 mph becoming northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Sunday
Rain and snow showers likely. Mostly cloudy, with a high near 36. Breezy, with a north wind 18 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 12. Blustery, with a northwest wind 15 to 22 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 25. Northwest wind around 14 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:
6:21 pm CDT Mar 9, 2026
Forecast Valid:
9pm CDT Mar 9, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation