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.

Fair

57°F

14°C

Humidity 27%
Wind Speed NW 14 mph
Barometer 30.21 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 3 Nov 3:55 pm CST
Extended Forecast for

Sumner IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 58. West wind 8 to 10 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 36. West wind around 6 mph becoming light and variable.

    Low: 36 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. Breezy, with a south southeast wind 6 to 16 mph, with gusts as high as 23 mph.

    High: 60 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. Breezy, with a south southwest wind 6 to 11 mph becoming northwest 12 to 17 mph after midnight. Winds could gust as high as 28 mph.

    Low: 41 °F

    Partly Cloudy
    then Mostly
    Clear and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 55. Breezy, with a north northwest wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 55 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 55. Breezy.

    High: 55 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 53. Breezy.

    High: 53 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 58. West wind 8 to 10 mph.
Tonight
Increasing clouds, with a low around 36. West wind around 6 mph becoming light and variable.
Tuesday
Mostly sunny, with a high near 60. Breezy, with a south southeast wind 6 to 16 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 41. Breezy, with a south southwest wind 6 to 11 mph becoming northwest 12 to 17 mph after midnight. Winds could gust as high as 28 mph.
Wednesday
Sunny, with a high near 55. Breezy, with a north northwest wind 10 to 18 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 55. Breezy.
Thursday Night
A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 53. Breezy.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 47. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 38. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.85°N 92.1°W
Last Update:
3:16 pm CST Nov 3, 2025
Forecast Valid:
4pm CST Nov 3, 2025-6pm CST Nov 9, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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