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Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

79°F

26°C

Humidity 82%
Wind Speed S 6 mph
Barometer 30.00 in (1015.1 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Aug 8:53 am CDT
Extended Forecast for

What Cheer IA

Heat Advisory August 18, 12:00pm until August 18, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A slight chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 90. Heat index values as high as 103. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind around 5 mph.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. North wind around 5 mph.

    High: 86 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. North wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 90. Heat index values as high as 103. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Tonight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. North wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 66. North wind around 5 mph.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 80.
Thursday Night
Clear, with a low around 60.
Friday
Sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
What Cheer IA
 41.42°N 92.35°W (Elev. 850 ft)
Last Update:
9:17 am CDT Aug 18, 2025
Forecast Valid:
9am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
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