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

28°F

-2°C

Humidity 100%
Wind Speed S 6 mph
Barometer 29.82 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 27 Feb 2:35 am CST
Extended Forecast for

4 Miles N Sumner IA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 25. Calm wind becoming south 5 to 7 mph.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. South wind 8 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 20. North wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 20 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Snow likely, mainly before 11am. Mostly cloudy, with a steady temperature around 22. Wind chill values as low as 10. North northeast wind 10 to 13 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    High: 22 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 7. North wind around 10 mph.

    Low: 7 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 26.

    High: 26 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 25. Calm wind becoming south 5 to 7 mph.
Friday
Mostly sunny, with a high near 44. South wind 8 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.
Friday Night
Increasing clouds, with a low around 20. North wind 10 to 13 mph, with gusts as high as 23 mph.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a steady temperature around 22. Wind chill values as low as 10. North northeast wind 10 to 13 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Mostly clear, with a low around 7. North wind around 10 mph.
Sunday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 26.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 16.
Monday
Partly sunny, with a high near 35.
Monday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 26.
Tuesday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 42.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 33.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Sumner IA
 42.89°N 92.07°W
Last Update:
2:27 am CST Feb 27, 2026
Forecast Valid:
2am CST Feb 27, 2026-6pm CST Mar 5, 2026
 
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Additional Resources

Radar & Satellite Image

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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