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.

Mostly Cloudy

46°F

8°C

Humidity 66%
Wind Speed NW 15 mph
Barometer 30.35 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 10 Apr 12:55 pm CDT
Extended Forecast for

4 Miles N Sumner IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 53. North northwest wind around 11 mph.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. North northeast wind around 6 mph becoming east southeast after midnight.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 1pm. Increasing clouds, with a high near 55. Breezy, with a southeast wind 8 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Cloudy, with a temperature falling to near 52 by 9pm, then rising to around 57 during the remainder of the night. Breezy, with a south southeast wind 17 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F⇑

    Showers
    Likely and
    Breezy

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. Windy, with a south southwest wind 20 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely and
    Windy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 59. Windy.

    Low: 59 °F

    Slight Chance
    Showers and
    Windy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. Breezy.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. Breezy. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Breezy. Chance of precipitation is 70%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 53. North northwest wind around 11 mph.
Tonight
Mostly clear, with a low around 34. North northeast wind around 6 mph becoming east southeast after midnight.
Saturday
Showers likely, with thunderstorms also possible after 1pm. Increasing clouds, with a high near 55. Breezy, with a southeast wind 8 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a temperature falling to near 52 by 9pm, then rising to around 57 during the remainder of the night. Breezy, with a south southeast wind 17 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. Windy, with a south southwest wind 20 to 25 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 59. Windy.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. Breezy.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. Breezy. Chance of precipitation is 60%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Breezy. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 52. Breezy. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers. Mostly sunny, with a high near 68. Breezy.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
A 30 percent chance of showers. Sunny, with a high near 75. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Sumner IA
 42.89°N 92.07°W
Last Update:
11:56 am CDT Apr 10, 2026
Forecast Valid:
1pm CDT Apr 10, 2026-6pm CDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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