Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Hazardous Weather Conditions

Current conditions at

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed SE 8 mph
Barometer 30.07 in
Dewpoint 70°F (21°C)
Visibility 4.00 mi
Last update 15 Aug 3:55 am CDT
Extended Forecast for

Dunkerton IA

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Patchy fog.  Otherwise, mostly cloudy, with a low around 68. East southeast wind around 7 mph.

    Low: 68 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 5pm.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 81. East wind 5 to 7 mph becoming west northwest in the afternoon.  Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 3am.  Mostly cloudy, with a low around 68. West southwest wind 3 to 6 mph.  Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 79. North northwest wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. Northwest wind 6 to 10 mph.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Clear
    then Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 80.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then showers likely.  Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 68. East southeast wind around 7 mph.
Saturday
A slight chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 81. East wind 5 to 7 mph becoming west northwest in the afternoon. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 3am. Mostly cloudy, with a low around 68. West southwest wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Partly sunny, with a high near 79. North northwest wind 8 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 61. Northwest wind 6 to 10 mph.
Monday
Sunny, with a high near 79.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 63. Chance of precipitation is 80%.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Dunkerton IA
 42.57°N 92.17°W
3:02 am CDT Aug 15, 2026
4am CDT Aug 15, 2026-6pm CDT Aug 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database