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

39°F

4°C

Humidity 87%
Wind Speed S 9 mph
Barometer 30.02 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 12 Jan 4:35 pm CST
Extended Forecast for

Sumner IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 47. Southwest wind around 8 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 46. Windy, with a west wind 16 to 21 mph, with gusts as high as 31 mph.

    High: 46 °F

    Partly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20. Wind chill values as low as 5. Windy, with a northwest wind 17 to 24 mph, with gusts as high as 34 mph.

    Low: 20 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 23. Windy, with a north northwest wind 18 to 25 mph, with gusts as high as 34 mph.

    High: 23 °F

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 10. Blustery.

    Low: 10 °F

    Clear and
    Blustery then
    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of snow after noon. Partly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight. Cloudy, with a low around 23. Chance of precipitation is 60%.

    Low: 23 °F

    Snow Likely

  • Friday

    Friday: A 50 percent chance of snow. Mostly cloudy, with a high near 31. Windy.

    High: 31 °F

    Chance Snow
    and Windy

Detailed Forecast

This Afternoon
Sunny, with a high near 47. Southwest wind around 8 mph.
Tonight
Mostly cloudy, with a low around 33. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Tuesday
Partly sunny, with a high near 46. Windy, with a west wind 16 to 21 mph, with gusts as high as 31 mph.
Tuesday Night
Mostly cloudy, with a low around 20. Wind chill values as low as 5. Windy, with a northwest wind 17 to 24 mph, with gusts as high as 34 mph.
Wednesday
Mostly sunny, with a high near 23. Windy, with a north northwest wind 18 to 25 mph, with gusts as high as 34 mph.
Wednesday Night
Mostly clear, with a low around 10. Blustery.
Thursday
A 30 percent chance of snow after noon. Partly sunny, with a high near 28.
Thursday Night
Snow likely, mainly before midnight. Cloudy, with a low around 23. Chance of precipitation is 60%.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 31. Windy.
Friday Night
Mostly cloudy, with a low around 5. Windy.
Saturday
Mostly cloudy, with a high near 12. Blustery.
Saturday Night
Mostly cloudy, with a low around 0.
Sunday
Partly sunny, with a high near 13. Blustery.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.83°N 92.1°W
Last Update:
3:16 pm CST Jan 12, 2026
Forecast Valid:
4pm CST Jan 12, 2026-6pm CST Jan 18, 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