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.

Fair and Breezy

64°F

18°C

Humidity 37%
Wind Speed S 21 G 26 mph
Barometer 29.97 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 29 Mar 1:55 pm CDT
Extended Forecast for

4 Miles N Sumner IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 65. Breezy, with a south wind around 16 mph, with gusts as high as 23 mph.

    High: 65 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 44. South wind 6 to 10 mph.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Patchy fog before 9am. Otherwise, sunny, with a high near 80. South wind 6 to 14 mph, with gusts as high as 18 mph.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. South wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    T-storms then
    Rain Likely

  • Tuesday

    Tuesday: A chance of rain and thunderstorms. Partly sunny, with a high near 66. Windy, with a south southwest wind 14 to 24 mph becoming north northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Chance Rain
    and Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Windy.

    Low: 32 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 46. Breezy.

    High: 46 °F

    Partly Sunny
    then Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain and snow likely before 1am, then rain, snow, and freezing rain likely. Mostly cloudy, with a low around 30. Windy. Chance of precipitation is 70%.

    Low: 30 °F

    Wintry Mix
    Likely and
    Windy

  • Thursday

    Thursday: Rain, snow, and freezing rain likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 41. Windy. Chance of precipitation is 60%.

    High: 41 °F

    Wintry Mix
    Likely and
    Windy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 65. Breezy, with a south wind around 16 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 44. South wind 6 to 10 mph.
Monday
Patchy fog before 9am. Otherwise, sunny, with a high near 80. South wind 6 to 14 mph, with gusts as high as 18 mph.
Monday Night
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 54. South wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of rain and thunderstorms. Partly sunny, with a high near 66. Windy, with a south southwest wind 14 to 24 mph becoming north northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 32. Windy.
Wednesday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 46. Breezy.
Wednesday Night
Rain and snow likely before 1am, then rain, snow, and freezing rain likely. Mostly cloudy, with a low around 30. Windy. Chance of precipitation is 70%.
Thursday
Rain, snow, and freezing rain likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 41. Windy. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 30. Blustery.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 50. Breezy.
Friday Night
Rain likely. Mostly cloudy, with a low around 40. Breezy. Chance of precipitation is 60%.
Saturday
Rain likely. Mostly cloudy, with a high near 52. Windy. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Sumner IA
 42.89°N 92.07°W
Last Update:
1:27 pm CDT Mar 29, 2026
Forecast Valid:
2pm CDT Mar 29, 2026-6pm CDT Apr 4, 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