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.

Mostly Cloudy

59°F

15°C

Humidity 100%
Wind Speed S 10 mph
Barometer 29.66 in
Dewpoint 59°F (15°C)
Visibility 7.00 mi
Last update 15 Apr 6:15 am CDT
Extended Forecast for

4 Miles N Sumner IA

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 66. East southeast wind 5 to 8 mph becoming west in the morning. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers after 3am. 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 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Severe
    Thunderstorms
    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 slight chance of showers, then a chance of showers and thunderstorms after 10am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 66. East southeast wind 5 to 8 mph becoming west in the morning. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers after 3am. 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 50%. 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:
6:16 am CDT Apr 15, 2026
Forecast Valid:
6am CDT Apr 15, 2026-6pm CDT Apr 21, 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