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

21°F

-6°C

Humidity 86%
Wind Speed NW 20 G 28 mph
Barometer 30.20 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 11 Jan 12:55 am CST
Extended Forecast for

4 Miles N Sumner IA

  • Overnight

    Overnight: A 20 percent chance of snow before 3am. Mostly cloudy, with a low around 17. Wind chill values as low as zero. Blustery, with a northwest wind 18 to 20 mph, with gusts as high as 34 mph.

    Low: 17 °F

    Slight Chance
    Snow and
    Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 28. Wind chill values as low as 5. Blustery, with a northwest wind 10 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 28 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 25. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 25 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. West wind around 10 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45. Breezy.

    High: 45 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24. Blustery.

    Low: 24 °F

    Mostly Cloudy
    and Blustery

  • Wednesday

    Wednesday: Partly sunny, with a high near 27. Blustery.

    High: 27 °F

    Partly Sunny
    and Blustery

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow before 3am. Mostly cloudy, with a low around 17. Wind chill values as low as zero. Blustery, with a northwest wind 18 to 20 mph, with gusts as high as 34 mph.
Sunday
Mostly sunny, with a high near 28. Wind chill values as low as 5. Blustery, with a northwest wind 10 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 25. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 40. West wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 31. Southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Tuesday
Partly sunny, with a high near 45. Breezy.
Tuesday Night
Mostly cloudy, with a low around 24. Blustery.
Wednesday
Partly sunny, with a high near 27. Blustery.
Wednesday Night
Partly cloudy, with a low around 16.
Thursday
A 30 percent chance of snow after noon. Partly sunny, with a high near 32.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 30. Windy.
Friday Night
Mostly cloudy, with a low around 12. Blustery.
Saturday
Partly sunny, with a high near 18. Blustery.
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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:
11:43 pm CST Jan 10, 2026
Forecast Valid:
1am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation