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.

Fair

63°F

17°C

Humidity 73%
Wind Speed SE 10 mph
Barometer 29.82 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 16 Apr 8:55 pm CDT
Extended Forecast for

Sumner IA

  • Tonight

    Tonight: Clear, with a low around 55. South southeast wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 55 °F

    Clear

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 74. Windy, with a south southeast wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Windy. Slight
    Chance
    T-storms then
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 1am. Low around 32. Windy, with a northwest wind 18 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 32 °F

    T-storms and
    Windy then
    Chance
    Showers and
    Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 46. Windy, with a west northwest wind 18 to 23 mph, with gusts as high as 31 mph.

    High: 46 °F

    Mostly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. Blustery, with a west northwest wind 8 to 17 mph, with gusts as high as 26 mph.

    Low: 29 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 50. Breezy.

    High: 50 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. Breezy.

    High: 62 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 55. South southeast wind 9 to 13 mph, with gusts as high as 22 mph.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 74. Windy, with a south southeast wind 14 to 19 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 1am. Low around 32. Windy, with a northwest wind 18 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 46. Windy, with a west northwest wind 18 to 23 mph, with gusts as high as 31 mph.
Saturday Night
Mostly clear, with a low around 29. Blustery, with a west northwest wind 8 to 17 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 50. Breezy.
Sunday Night
Mostly clear, with a low around 31.
Monday
Sunny, with a high near 62. Breezy.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 71.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 70. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.85°N 92.1°W
Last Update:
6:27 pm CDT Apr 16, 2026
Forecast Valid:
9pm CDT Apr 16, 2026-6pm CDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation