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.

Overcast

18°F

-8°C

Humidity 100%
Wind Speed W 8 mph
Barometer 29.97 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 2 Dec 3:55 am CST
Extended Forecast for

Sumner IA

  • Today

    Today: Areas of freezing fog before noon. Mostly cloudy, with a high near 23. Wind chill values as low as zero. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 23 °F

    Areas
    Freezing Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: A chance of flurries between 11pm and 1am, then a slight chance of snow after 1am. Cloudy, with a temperature rising to around 25 by 5am. Wind chill values as low as 10. South wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 21 °F⇑

    Cloudy then
    Slight Chance
    Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 12 by 5pm. Wind chill values as low as -5. Blustery, with a north northwest wind 10 to 18 mph, with gusts as high as 25 mph.

    High: 24 °F⇓

    Blustery.
    Slight Chance
    Snow then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -12. Wind chill values as low as -25. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.

    Low: -12 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and cold, with a high near 8. Northwest wind 5 to 11 mph becoming south in the afternoon.

    High: 8 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -2.

    Low: -2 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

Today
Areas of freezing fog before noon. Mostly cloudy, with a high near 23. Wind chill values as low as zero. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Tonight
A chance of flurries between 11pm and 1am, then a slight chance of snow after 1am. Cloudy, with a temperature rising to around 25 by 5am. Wind chill values as low as 10. South wind 10 to 13 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of snow before noon. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 12 by 5pm. Wind chill values as low as -5. Blustery, with a north northwest wind 10 to 18 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around -12. Wind chill values as low as -25. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.
Thursday
Sunny and cold, with a high near 8. Northwest wind 5 to 11 mph becoming south in the afternoon.
Thursday Night
Mostly cloudy, with a low around -2.
Friday
Mostly cloudy, with a high near 25.
Friday Night
Mostly cloudy, with a low around 12.
Saturday
A 30 percent chance of snow after noon. Partly sunny, with a high near 23.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 5.
Sunday
Partly sunny, with a high near 16.
Sunday Night
Mostly cloudy, with a low around 2.
Monday
Mostly cloudy, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.87°N 92.1°W
Last Update:
3:16 am CST Dec 2, 2025
Forecast Valid:
4am CST Dec 2, 2025-6pm CST Dec 8, 2025
 
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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