Current conditions at

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

Fair

18°F

-8°C

Humidity 79%
Wind Speed NW 14 G 20 mph
Barometer 30.22 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 21 Feb 12:35 pm CST
Extended Forecast for

Sumner IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 20. Wind chill values as low as 5. Northwest wind around 15 mph, with gusts as high as 21 mph.

    High: 20 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 7. Wind chill values as low as -10. Blustery, with a northwest wind 14 to 18 mph, with gusts as high as 26 mph.

    Low: 7 °F

    Mostly Cloudy
    and Blustery

  • Sunday

    Sunday: Partly sunny, with a high near 18. Wind chill values as low as -10. Windy, with a north northwest wind 18 to 22 mph, with gusts as high as 32 mph.

    High: 18 °F

    Partly Sunny
    and Windy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 4. Wind chill values as low as -10. Blustery, with a north northwest wind 13 to 17 mph, with gusts as high as 26 mph.

    Low: 4 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 18. North northwest wind 5 to 11 mph becoming west southwest in the afternoon.

    High: 18 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 20. Wind chill values as low as 5. Northwest wind around 15 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 7. Wind chill values as low as -10. Blustery, with a northwest wind 14 to 18 mph, with gusts as high as 26 mph.
Sunday
Partly sunny, with a high near 18. Wind chill values as low as -10. Windy, with a north northwest wind 18 to 22 mph, with gusts as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 4. Wind chill values as low as -10. Blustery, with a north northwest wind 13 to 17 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 18. North northwest wind 5 to 11 mph becoming west southwest in the afternoon.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Partly cloudy, with a low around 13.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.87°N 92.1°W
11:16 am CST Feb 21, 2026
12pm CST Feb 21, 2026-6pm CST Feb 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database