National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Storm System to Move Across the Ohio Valley to the Mid-Atlantic and Northeast

Isolated severe thunderstorms will be possible on Veterans Day across parts of the lower Ohio and western Tennessee Valleys. A developing storm will bring rain and gusty winds to the Mid-Atlantic and Northeast on Thursday, with the first accumulating snow likely in the higher elevations of the central Appalachians and interior Northeast. Read More >

Current conditions at

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

Mostly Cloudy

34°F

1°C

Humidity 93%
Wind Speed N 14 mph
Barometer 29.99 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 12 Nov 3:15 am CST
Extended Forecast for

Sumner IA

  • Overnight

    Overnight: A chance of sprinkles after 5am. Mostly cloudy, with a low around 34. North wind around 14 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Chance
    Sprinkles

  • Thursday

    Thursday: A chance of sprinkles before noon. Partly sunny, with a high near 42. Breezy, with a north wind 13 to 18 mph, with gusts as high as 26 mph.

    High: 42 °F

    Chance
    Sprinkles and
    Breezy

  • Thursday Night

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

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40. North wind 7 to 11 mph.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 21. North wind around 5 mph becoming calm in the evening.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 23.

    Low: 23 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of sprinkles after 5am. Mostly cloudy, with a low around 34. North wind around 14 mph, with gusts as high as 23 mph.
Thursday
A chance of sprinkles before noon. Partly sunny, with a high near 42. Breezy, with a north wind 13 to 18 mph, with gusts as high as 26 mph.
Thursday Night
Mostly cloudy, with a low around 25. North wind 7 to 10 mph.
Friday
Mostly sunny, with a high near 40. North wind 7 to 11 mph.
Friday Night
Mostly clear, with a low around 21. North wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 43.
Saturday Night
Clear, with a low around 23.
Sunday
Sunny, with a high near 45.
Sunday Night
Mostly clear, with a low around 26.
Monday
Sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
Mostly sunny, with a high near 54. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.83°N 92.1°W
Last Update:
12:26 am CST Nov 12, 2026
Forecast Valid:
3am CST Nov 12, 2026-6pm CST Nov 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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