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

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

69°F

21°C

Humidity 87%
Wind Speed E 5 mph
Barometer 30.05 in (1017.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 29 Aug 9:53 pm CDT
Extended Forecast for

5 Miles SSW Chillicothe IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. Light east wind.

    Low: 61 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 83. East southeast wind 3 to 6 mph.

    High: 83 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 63. East wind around 6 mph.

    Low: 63 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Southeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61. East wind 3 to 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Labor Day

    Labor Day: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 75. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers. Mostly sunny, with a high near 79.

    High: 79 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 61. Light east wind.
Saturday
Partly sunny, with a high near 83. East southeast wind 3 to 6 mph.
Saturday Night
Mostly cloudy, with a low around 63. East wind around 6 mph.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Southeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61. East wind 3 to 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Labor Day
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 75. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 56.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Chillicothe IA
 41.03°N 92.56°W
Last Update:
10:34 pm CDT Aug 29, 2025
Forecast Valid:
10pm CDT Aug 29, 2025-6pm CDT Sep 5, 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