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National Weather Service Flood Inundation Mapping Available for Iowa in September 2025

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Fair

52°F

11°C

Humidity	80%
Wind Speed	W 12 mph
Barometer	29.63 in (1003.1 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Wind Chill	48°F (9°C)
Last update	7 Nov 1:53 am CST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Chillicothe IA

Overnight
Low: 44 °F
Mostly Clear
Friday
High: 65 °F
Sunny
Friday Night
Low: 37 °F
Increasing
Clouds
Saturday
High: 46 °F
Rain/Snow
Likely then
Rain
Saturday Night
Low: 25 °F
Chance
Rain/Snow
Sunday
High: 36 °F
Mostly Sunny
and Breezy
Sunday Night
Low: 20 °F
Mostly Clear
Monday
High: 40 °F
Sunny
Monday Night
Low: 25 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 44. West northwest wind around 8 mph.

Friday

Sunny, with a high near 65. West northwest wind 8 to 14 mph, with gusts as high as 24 mph.

Friday Night

Increasing clouds, with a low around 37. West northwest wind 5 to 7 mph becoming calm in the evening.

Saturday

A chance of rain and snow before 8am, then rain. High near 46. Calm wind becoming north 5 to 8 mph in the morning. Chance of precipitation is 90%. Little or no snow accumulation expected.

Saturday Night

A chance of rain and snow before midnight, then a slight chance of rain between midnight and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a low around 25. North northwest wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Sunday

Mostly sunny, with a high near 36. Breezy.

Sunday Night

Mostly clear, with a low around 20.

Monday

Sunny, with a high near 40.

Monday Night

Partly cloudy, with a low around 25.

Veterans Day

Mostly sunny, with a high near 56.

Tuesday Night

Mostly clear, with a low around 38.