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

48°F

9°C

Humidity 34%
Wind Speed W 15 mph
Barometer 29.53 in (1000.5 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 24 Feb 12:53 pm CST
Extended Forecast for

Chillicothe IA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 54. West northwest wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 54 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 24. North northwest wind 6 to 10 mph, with gusts as high as 23 mph.

    Low: 24 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly after 5pm. Mostly sunny, with a high near 41. North northwest wind around 7 mph. Little or no snow accumulation expected.

    High: 41 °F

    Mostly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow before 3am, then a chance of snow and freezing rain. Mostly cloudy, with a low around 26. North wind around 6 mph becoming east southeast after midnight. Chance of precipitation is 50%. New snow accumulation of around an inch possible.

    Low: 26 °F

    Chance Snow
    then Chance
    Wintry Mix

  • Thursday

    Thursday: Mostly sunny, with a high near 48. East southeast wind 5 to 9 mph becoming west in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 54. West northwest wind 11 to 14 mph, with gusts as high as 22 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 24. North northwest wind 6 to 10 mph, with gusts as high as 23 mph.
Wednesday
A 30 percent chance of snow, mainly after 5pm. Mostly sunny, with a high near 41. North northwest wind around 7 mph. Little or no snow accumulation expected.
Wednesday Night
A chance of snow before 3am, then a chance of snow and freezing rain. Mostly cloudy, with a low around 26. North wind around 6 mph becoming east southeast after midnight. Chance of precipitation is 50%. New snow accumulation of around an inch possible.
Thursday
Mostly sunny, with a high near 48. East southeast wind 5 to 9 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 30.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 35.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Monday
Mostly cloudy, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chillicothe IA
 41.09°N 92.53°W
Last Update:
1:21 pm CST Feb 24, 2026
Forecast Valid:
1pm CST Feb 24, 2026-6pm CST Mar 2, 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