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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

60°F

16°C

Humidity	80%
Wind Speed	Calm
Barometer	30.12 in (1019.6 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	2 Sep 12:53 am CDT

More Information:

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

Extended Forecast for

2 Miles SSW Agency IA

Overnight
Low: 56 °F
Partly Cloudy
Tuesday
High: 82 °F
Mostly Sunny
Tuesday Night
Low: 58 °F
Partly Cloudy
Wednesday
High: 77 °F
Chance
Showers then
Showers
Likely
Wednesday Night
Low: 45 °F
Chance
Showers
Thursday
High: 70 °F
Sunny
Thursday Night
Low: 52 °F
Mostly Clear
then Chance
Showers
Friday
High: 70 °F
Sunny
Friday Night
Low: 44 °F
Mostly Clear

Detailed Forecast

Overnight

Partly cloudy, with a low around 56. Light north northeast wind.

Tuesday

Mostly sunny, with a high near 82. Light and variable wind.

Tuesday Night

Partly cloudy, with a low around 58. Light west wind.

Wednesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 77. West southwest wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A 30 percent chance of showers before 1am. Partly cloudy, with a low around 45. Northwest wind 6 to 10 mph, with gusts as high as 18 mph. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

Sunny, with a high near 70.

Thursday Night

A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 52.

Friday

Sunny, with a high near 70.

Friday Night

Mostly clear, with a low around 44.

Saturday

Sunny, with a high near 74.

Saturday Night

Mostly clear, with a low around 45.