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.

A Few Clouds and Breezy

50°F

10°C

Humidity 40%
Wind Speed NW 21 G 30 mph
Barometer 29.72 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 5 May 12:15 am CDT
Extended Forecast for

Sumner IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. Northwest wind 6 to 11 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Northwest wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. North wind 7 to 11 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54. Northwest wind 7 to 13 mph, with gusts as high as 18 mph.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. Northwest wind 6 to 11 mph.
Tuesday
Mostly sunny, with a high near 57. Northwest wind 6 to 14 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 35. North wind 7 to 11 mph.
Wednesday
Mostly sunny, with a high near 54. Northwest wind 7 to 13 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 35. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 43.
Friday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 42.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 41.
Monday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.85°N 92.1°W
Last Update:
10:32 pm CDT May 4, 2026
Forecast Valid:
12am CDT May 5, 2026-6pm CDT May 11, 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