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.

Overcast

64°F

18°C

Humidity 73%
Wind Speed SE 15 G 22 mph
Barometer 29.84 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 13 Oct 12:15 am CDT
Extended Forecast for

Sumner IA

  • Overnight

    Overnight: A 20 percent chance of showers before 3am. Mostly cloudy, with a low around 57. South southeast wind 8 to 15 mph becoming north northwest. Winds could gust as high as 25 mph.

    Low: 57 °F

    Slight Chance
    Showers

  • Columbus Day

    Columbus Day: Mostly cloudy, then gradually becoming sunny, with a high near 69. North wind 11 to 15 mph, with gusts as high as 21 mph.

    High: 69 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 46. North northeast wind around 9 mph.

    Low: 46 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers. Mostly cloudy, with a high near 59. Northeast wind around 10 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers. Cloudy, with a low around 48. East northeast wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 72. Breezy.

    High: 72 °F

    Slight Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers before 3am. Mostly cloudy, with a low around 57. South southeast wind 8 to 15 mph becoming north northwest. Winds could gust as high as 25 mph.
Columbus Day
Mostly cloudy, then gradually becoming sunny, with a high near 69. North wind 11 to 15 mph, with gusts as high as 21 mph.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 46. North northeast wind around 9 mph.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 59. Northeast wind around 10 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A 40 percent chance of showers. Cloudy, with a low around 48. East northeast wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 50.
Thursday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 72. Breezy.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 74. Breezy.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Sunny, with a high near 61.
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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 Oct 12, 2025
Forecast Valid:
12am CDT Oct 13, 2025-6pm CDT Oct 19, 2025
 
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