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

33°F

1°C

Humidity 89%
Wind Speed NW 7 mph
Barometer 30.12 in (1020.8 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 10 Jan 1:53 am CST
Extended Forecast for

Chillicothe IA

  • Overnight

    Overnight: A 50 percent chance of snow, mainly before 4am. Cloudy, with a low around 32. Northwest wind around 7 mph. Little or no snow accumulation expected.

    Low: 32 °F

    Chance Snow

  • Saturday

    Saturday: A slight chance of snow between 3pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 38. Breezy, with a west northwest wind 7 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 38 °F

    Partly Sunny
    then Slight
    Chance Snow
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 21. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 35. Northwest wind 8 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 35 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain. Partly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 50 percent chance of snow, mainly before 4am. Cloudy, with a low around 32. Northwest wind around 7 mph. Little or no snow accumulation expected.
Saturday
A slight chance of snow between 3pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 38. Breezy, with a west northwest wind 7 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 21. Northwest wind 11 to 14 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 35. Northwest wind 8 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 27. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 49.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chillicothe IA
 41.09°N 92.53°W
Last Update:
10:27 pm CST Jan 9, 2026
Forecast Valid:
2am CST Jan 10, 2026-6pm CST Jan 16, 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