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.

Partly Cloudy and Breezy

40°F

4°C

Humidity 63%
Wind Speed NW 24 mph
Barometer 30.14 in (1021.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 11 Mar 3:53 pm CDT
Extended Forecast for

5 Miles S Chillicothe IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 42. Windy, with a north northwest wind around 21 mph, with gusts as high as 31 mph.

    High: 42 °F

    Mostly Sunny
    and Windy

  • Tonight

    Tonight: Clear, with a low around 27. West wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 56. Windy, with a south southwest wind 6 to 11 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 56 °F

    Sunny then
    Partly Sunny
    and Windy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 38. Windy, with a south southwest wind 22 to 26 mph becoming west after midnight. Winds could gust as high as 41 mph.

    Low: 38 °F

    Slight Chance
    Rain and
    Windy

  • Friday

    Friday: Mostly sunny, with a high near 50. Windy, with a west northwest wind 15 to 22 mph, with gusts as high as 38 mph.

    High: 50 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 50 percent chance of rain and thunderstorms after 1am. Cloudy, with a low around 38.

    Low: 38 °F

    Cloudy then
    Chance Rain

  • Sunday

    Sunday: Rain before 1pm, then rain and snow likely. High near 50. Windy. Chance of precipitation is 80%.

    High: 50 °F

    Windy. Rain
    then
    Rain/Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 42. Windy, with a north northwest wind around 21 mph, with gusts as high as 31 mph.
Tonight
Clear, with a low around 27. West wind 7 to 14 mph, with gusts as high as 22 mph.
Thursday
Increasing clouds, with a high near 56. Windy, with a south southwest wind 6 to 11 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 38 mph.
Thursday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 38. Windy, with a south southwest wind 22 to 26 mph becoming west after midnight. Winds could gust as high as 41 mph.
Friday
Mostly sunny, with a high near 50. Windy, with a west northwest wind 15 to 22 mph, with gusts as high as 38 mph.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
Mostly cloudy, with a high near 51.
Saturday Night
A 50 percent chance of rain and thunderstorms after 1am. Cloudy, with a low around 38.
Sunday
Rain before 1pm, then rain and snow likely. High near 50. Windy. Chance of precipitation is 80%.
Sunday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 12. Windy.
Monday
Mostly sunny, with a high near 26. Blustery.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Mostly cloudy, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Chillicothe IA
 41.03°N 92.53°W
Last Update:
3:07 pm CDT Mar 11, 2026
Forecast Valid:
4pm CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation