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

54°F

12°C

Humidity 41%
Wind Speed NW 25 mph
Barometer 29.68 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 4 May 9:55 pm CDT
Extended Forecast for

Sumner IA

  • Tonight

    Tonight: A slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 41. Breezy, with a northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56. Northwest wind 6 to 14 mph, with gusts as high as 18 mph.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. North wind 6 to 11 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54. Northwest wind 7 to 14 mph, with gusts as high as 18 mph.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 41. Breezy, with a northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 56. Northwest wind 6 to 14 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 35. North wind 6 to 11 mph.
Wednesday
Mostly sunny, with a high near 54. Northwest wind 7 to 14 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 36. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Sunny, with a high near 70.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.85°N 92.1°W
Last Update:
8:52 pm CDT May 4, 2026
Forecast Valid:
10pm CDT May 4, 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