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

34°F

1°C

Humidity 93%
Wind Speed NW 7 mph
Barometer 30.11 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 9 Apr 5:15 am CDT
Extended Forecast for

Sumner IA

  • Today

    Today: A 10 percent chance of showers after 5pm. Increasing clouds, with a high near 57. West wind 6 to 8 mph.

    High: 57 °F

    Sunny then
    Slight Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 35. North northeast wind 5 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 54. North wind around 10 mph.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. North northeast wind around 6 mph becoming east after midnight.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 57. Breezy, with a southeast wind 8 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Slight Chance
    Showers then
    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 51. Breezy. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Showers
    Likely and
    Breezy

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. Windy. Chance of precipitation is 70%.

    High: 71 °F

    Showers
    Likely and
    Windy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Windy.

    Low: 60 °F

    Chance
    T-storms and
    Windy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Breezy.

    High: 78 °F

    Breezy.
    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 10 percent chance of showers after 5pm. Increasing clouds, with a high near 57. West wind 6 to 8 mph.
Tonight
Showers likely, mainly before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 35. North northeast wind 5 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Sunny, with a high near 54. North wind around 10 mph.
Friday Night
Mostly clear, with a low around 35. North northeast wind around 6 mph becoming east after midnight.
Saturday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 57. Breezy, with a southeast wind 8 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. 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. Mostly cloudy, with a low around 51. Breezy. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 71. Windy. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Windy.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Breezy.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Partly cloudy, with a low around 57. Breezy. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 69. Breezy. Chance of precipitation is 70%.
Tuesday Night
Showers likely. The rain could be heavy at times. Mostly cloudy, with a low around 44. Breezy. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 61. 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:
3:12 am CDT Apr 9, 2026
Forecast Valid:
5am CDT Apr 9, 2026-6pm CDT Apr 15, 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