National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Oelwein Municipal Airport (KOLZ)

Lat: 42.68°NLon: 91.98°WElev: 1070ft.

Fair

72°F

22°C

Humidity 65%
Wind Speed Vrbl 3 mph
Barometer 30.18 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 28 Aug 10:15 am CDT
Extended Forecast for

Readlyn IA

  • Today

    Today: Sunny, with a high near 82. Southwest wind 3 to 6 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 64. Light south southeast wind becoming south 5 to 10 mph in the evening.

    Low: 64 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Showers and thunderstorms likely before 1pm, then a slight chance of showers between 1pm and 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 80. Breezy, with a south wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers
    Likely then
    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69. Breezy, with a south southeast wind 15 to 17 mph, with gusts as high as 26 mph.

    Low: 69 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 87. Breezy, with a south wind 14 to 16 mph, with gusts as high as 23 mph.

    High: 87 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88.

    High: 88 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 82. Southwest wind 3 to 6 mph.
Tonight
Increasing clouds, with a low around 64. Light south southeast wind becoming south 5 to 10 mph in the evening.
Saturday
Showers and thunderstorms likely before 1pm, then a slight chance of showers between 1pm and 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 80. Breezy, with a south wind 10 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 69. Breezy, with a south southeast wind 15 to 17 mph, with gusts as high as 26 mph.
Sunday
Mostly sunny, with a high near 87. Breezy, with a south wind 14 to 16 mph, with gusts as high as 23 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Readlyn IA
 42.7°N 92.22°W
Last Update:
6:31 am CDT Aug 28, 2026
Forecast Valid:
10am CDT Aug 28, 2026-6pm CDT Sep 3, 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