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

54°F

12°C

Humidity 47%
Wind Speed SE 8 mph
Barometer 30.01 in (1016.4 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 13 Nov 6:53 pm CST
Extended Forecast for

Chillicothe IA

  • Tonight

    Tonight: Clear, with a low around 44. South wind 3 to 6 mph.

    Low: 44 °F

    Clear

  • Friday

    Friday: Mostly sunny, with a high near 72. Light south southeast wind becoming south southwest 5 to 9 mph in the morning.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 68. West southwest wind 10 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 68 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. North northwest wind 5 to 9 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after noon. Partly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Tonight
Clear, with a low around 44. South wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 72. Light south southeast wind becoming south southwest 5 to 9 mph in the morning.
Friday Night
Mostly cloudy, with a low around 55. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 68. West southwest wind 10 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
Mostly clear, with a low around 34. North northwest wind 5 to 9 mph.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 34.
Monday
A 30 percent chance of rain after noon. Partly sunny, with a high near 54.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 52.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 40.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chillicothe IA
 41.09°N 92.53°W
Last Update:
5:17 pm CST Nov 13, 2025
Forecast Valid:
7pm CST Nov 13, 2025-6pm CST Nov 20, 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