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 and Breezy

73°F

23°C

Humidity 29%
Wind Speed S 24 mph
Barometer 29.85 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 14 May 5:55 pm CDT
Extended Forecast for

5 Miles SSW Sumner IA

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 55. Breezy, with a south southeast wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Sunny, with a high near 85. South southwest wind 13 to 15 mph, with gusts as high as 21 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 4am, then a chance of showers. Increasing clouds, with a low around 57. South wind 5 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. East wind 5 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm, then showers and thunderstorms after 7pm. Low around 57. East southeast wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely before 1pm. Partly sunny, with a high near 84. Windy. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    T-storms
    Likely and
    Windy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 65. Windy.

    Low: 65 °F

    Chance
    T-storms and
    Windy

  • Monday

    Monday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Windy. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely and
    Windy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 58. Windy. Chance of precipitation is 80%.

    Low: 58 °F

    Showers and
    Windy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 55. Breezy, with a south southeast wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 85. South southwest wind 13 to 15 mph, with gusts as high as 21 mph.
Friday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Increasing clouds, with a low around 57. South wind 5 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. East wind 5 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm, then showers and thunderstorms after 7pm. Low around 57. East southeast wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely before 1pm. Partly sunny, with a high near 84. Windy. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 65. Windy.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Windy. Chance of precipitation is 70%.
Monday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 58. Windy. Chance of precipitation is 80%.
Tuesday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 75. Windy.
Tuesday Night
Partly cloudy, with a low around 46. Breezy.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Sumner IA
 42.79°N 92.13°W
Last Update:
6:11 pm CDT May 14, 2026
Forecast Valid:
6pm CDT May 14, 2026-6pm CDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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