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

N/A

Humidity NA
Wind Speed N 14 G 22 mph
Barometer 29.92 in
Dewpoint N/A
Visibility 10.00 mi
Last update 1 Aug 1:15 pm CDT
Extended Forecast for

Sumner IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 78. Breezy, with a north northeast wind 15 to 18 mph, with gusts as high as 26 mph.

    High: 78 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 61. North wind 7 to 9 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78. North northeast wind around 9 mph.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. East northeast wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78. South southeast wind 5 to 9 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

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

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 74.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. Breezy, with a north northeast wind 15 to 18 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 61. North wind 7 to 9 mph.
Sunday
Mostly sunny, with a high near 78. North northeast wind around 9 mph.
Sunday Night
Mostly clear, with a low around 59. East northeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 78. South southeast wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 61.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 74.
Wednesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.87°N 92.1°W
Last Update:
1:27 pm CDT Aug 1, 2026
Forecast Valid:
1pm CDT Aug 1, 2026-6pm CDT Aug 7, 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