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.

Overcast

38°F

3°C

Humidity 93%
Wind Speed W 16 G 29 mph
Barometer 29.80 in (1009.1 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 7 Mar 5:53 am CST
Extended Forecast for

Chillicothe IA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 51. Breezy, with a west northwest wind 11 to 18 mph, with gusts as high as 30 mph.

    High: 51 °F

    Decreasing
    Clouds and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 35. West northwest wind 7 to 11 mph becoming south southwest after midnight. Winds could gust as high as 24 mph.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 66 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 47. South southwest wind around 14 mph, with gusts as high as 26 mph.

    Low: 47 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers before noon. Partly sunny, with a high near 51. Breezy.

    High: 51 °F

    Breezy.
    Chance
    Showers then
    Mostly Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 51. Breezy, with a west northwest wind 11 to 18 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 35. West northwest wind 7 to 11 mph becoming south southwest after midnight. Winds could gust as high as 24 mph.
Sunday
Sunny, with a high near 66. Breezy, with a southwest wind 11 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Clear, with a low around 47. South southwest wind around 14 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 73. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Monday Night
Clear, with a low around 46.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 72. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 38. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers before noon. Partly sunny, with a high near 51. Breezy.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
Mostly cloudy, with a high near 62. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chillicothe IA
 41.09°N 92.53°W
Last Update:
5:16 am CST Mar 7, 2026
Forecast Valid:
6am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation