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.

Overcast

18°F

-8°C

Humidity 93%
Wind Speed NW 8 mph
Barometer 30.00 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 11 Dec 2:55 am CST
Extended Forecast for

Sumner IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 8. North northwest wind 5 to 7 mph.

    Low: 8 °F

    Mostly Cloudy

  • Thursday

    Thursday: Snow, mainly after 3pm. High near 20. Wind chill values as low as zero. Calm wind becoming south southeast 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 20 °F

    Mostly Cloudy
    then Snow

  • Thursday Night

    Thursday Night: Snow, mainly before 9pm. Low around 12. East wind 5 to 7 mph becoming north northwest after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 12 °F

    Snow then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 21. Wind chill values as low as -5. Blustery, with a west northwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 21 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -2. Blustery, with a northwest wind 13 to 17 mph, with gusts as high as 24 mph.

    Low: -2 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow, mainly before noon. Mostly cloudy and cold, with a high near 2.

    High: 2 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -17.

    Low: -17 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and cold, with a high near 0.

    High: 0 °F

    Cold

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -10. Breezy.

    Low: -10 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 8. North northwest wind 5 to 7 mph.
Thursday
Snow, mainly after 3pm. High near 20. Wind chill values as low as zero. Calm wind becoming south southeast 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Thursday Night
Snow, mainly before 9pm. Low around 12. East wind 5 to 7 mph becoming north northwest after midnight. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday
Mostly cloudy, with a high near 21. Wind chill values as low as -5. Blustery, with a west northwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 24 mph.
Friday Night
Mostly cloudy, with a low around -2. Blustery, with a northwest wind 13 to 17 mph, with gusts as high as 24 mph.
Saturday
A 40 percent chance of snow, mainly before noon. Mostly cloudy and cold, with a high near 2.
Saturday Night
Mostly clear, with a low around -17.
Sunday
Sunny and cold, with a high near 0.
Sunday Night
Partly cloudy, with a low around -10. Breezy.
Monday
Mostly sunny, with a high near 24. Breezy.
Monday Night
Mostly cloudy, with a low around 9.
Tuesday
Partly sunny, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 35.
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:
2:32 am CST Dec 11, 2025
Forecast Valid:
3am CST Dec 11, 2025-6pm CST Dec 17, 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