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

23°F

-5°C

Humidity 63%
Wind Speed W 12 mph
Barometer 29.77 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 25 Feb 2:15 pm CST
Extended Forecast for

Sumner IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 24. Northwest wind 5 to 9 mph.

    High: 24 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 15. Wind chill values as low as 5. Calm wind becoming south around 6 mph after midnight.

    Low: 15 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 36. Wind chill values as low as 10. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 36 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25. Southwest wind 7 to 10 mph.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 44. Southwest wind 10 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy, with a high near 28.

    High: 28 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

  • Sunday

    Sunday: 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

This Afternoon
Mostly sunny, with a high near 24. Northwest wind 5 to 9 mph.
Tonight
Mostly cloudy, with a low around 15. Wind chill values as low as 5. Calm wind becoming south around 6 mph after midnight.
Thursday
Partly sunny, with a high near 36. Wind chill values as low as 10. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 25. Southwest wind 7 to 10 mph.
Friday
Sunny, with a high near 44. Southwest wind 10 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 21.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 28.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
A 30 percent chance of snow after noon. Partly sunny, with a high near 23.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 13.
Monday
Mostly sunny, with a high near 31.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.85°N 92.1°W
Last Update:
1:12 pm CST Feb 25, 2026
Forecast Valid:
2pm CST Feb 25, 2026-6pm CST Mar 3, 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