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.

Fair

61°F

16°C

Humidity 100%
Wind Speed SW 6 mph
Barometer 29.75 in
Dewpoint 61°F (16°C)
Visibility 8.00 mi
Last update 15 Apr 8:55 am CDT
Extended Forecast for

4 Miles N Sumner IA

  • Today

    Today: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 66. West southwest wind 6 to 8 mph becoming northeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am, then a slight chance of thunderstorms after 5am. Some of the storms could be severe. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 52. East northeast wind around 7 mph becoming north after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Severe
    Thunderstorms
    then Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers between 7am and 1pm. Areas of fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 72. West southwest wind 6 to 9 mph. Chance of precipitation is 10%.

    High: 72 °F

    Slight Chance
    Showers and
    Areas Fog

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. South southeast wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 76. Windy, with a south southeast wind 14 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Windy. Mostly
    Sunny then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 35. Breezy. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Showers
    Likely and
    Breezy

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 44. Windy.

    High: 44 °F

    Chance
    Showers and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. Windy.

    Low: 29 °F

    Mostly Cloudy
    and Windy
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50. Breezy.

    High: 50 °F

    Sunny and
    Breezy

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 66. West southwest wind 6 to 8 mph becoming northeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 2am, then a slight chance of thunderstorms after 5am. Some of the storms could be severe. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 52. East northeast wind around 7 mph becoming north after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A slight chance of showers between 7am and 1pm. Areas of fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 72. West southwest wind 6 to 9 mph. Chance of precipitation is 10%.
Thursday Night
Mostly clear, with a low around 54. South southeast wind 7 to 11 mph, with gusts as high as 18 mph.
Friday
Showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 76. Windy, with a south southeast wind 14 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 35. Breezy. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 44. Windy.
Saturday Night
Partly cloudy, with a low around 29. Windy.
Sunday
Sunny, with a high near 50. Breezy.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 62. Breezy.
Monday Night
Partly cloudy, with a low around 46. Breezy.
Tuesday
Sunny, with a high near 69. Breezy.
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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:
8:57 am CDT Apr 15, 2026
Forecast Valid:
9am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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