Air Quality Concerns; Fire Weather in the West; Flash Flooding in the Southeast

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Severe thunderstorms continue across the Northern Plains Read More >

Hazardous Weather Conditions

Current conditions at

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

Fair

79°F

26°C

Humidity 58%
Wind Speed SE 12 G 17 mph
Barometer 30.23 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 5 Aug 5:35 pm CDT
Extended Forecast for

Sumner IA

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Southeast wind 6 to 9 mph.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 81. South southeast wind 7 to 13 mph.

    High: 81 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 67. South southeast wind around 9 mph.

    Low: 67 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Mostly sunny, with a high near 85. South wind 9 to 11 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69. South southeast wind around 10 mph.

    Low: 69 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 88. Breezy.

    High: 88 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 87.

    High: 87 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. Southeast wind 6 to 9 mph.
Wednesday
Partly sunny, with a high near 81. South southeast wind 7 to 13 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. South southeast wind around 9 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 85. South wind 9 to 11 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 69. South southeast wind around 10 mph.
Friday
Sunny, with a high near 88. Breezy.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 71.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Sumner IA
 42.85°N 92.1°W
4:38 pm CDT Aug 5, 2025
5pm CDT Aug 5, 2025-6pm CDT Aug 12, 2025
 
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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