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

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Overcast

71°F

22°C

Humidity 73%
Wind Speed Vrbl 6 mph
Barometer 30.10 in (1018.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 24 Jul 11:53 am CDT
Extended Forecast for

3 Miles ESE Chillicothe IA

Extreme Heat Watch July 26, 12:00pm until July 27, 10:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 77. South southeast wind around 9 mph.

    High: 77 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 65. South southeast wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 101. Light south southwest wind.

    High: 90 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 71. South wind 3 to 5 mph.

    Low: 71 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 94. Southwest wind 3 to 8 mph.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 77. South southeast wind around 9 mph.
Tonight
A slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 65. South southeast wind 3 to 7 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 90. Heat index values as high as 101. Light south southwest wind.
Saturday Night
Increasing clouds, with a low around 71. South wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 94. Southwest wind 3 to 8 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Chillicothe IA
 41.07°N 92.47°W
Last Update:
11:52 am CDT Jul 24, 2026
Forecast Valid:
12pm CDT Jul 24, 2026-6pm CDT Jul 30, 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