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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.

Light Rain

40°F

4°C

Humidity	86%
Wind Speed	N 3 mph
Barometer	30.12 in (1020.5 mb)
Dewpoint	36°F (2°C)
Visibility	7.00 mi
Last update	1 Nov 11:53 am CDT

More Information:

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

Extended Forecast for

5 Miles N Blakesburg IA

This Afternoon
High: 45 °F
Chance
Showers
Tonight
Low: 31 °F
Slight Chance
Showers then
Patchy Fog
Sunday
High: 54 °F
Dense
Freezing Fog
and Patchy
Fog then
Sunny
Sunday Night
Low: 38 °F
Mostly Clear
Monday
High: 62 °F
Sunny
Monday Night
Low: 39 °F
Partly Cloudy
Tuesday
High: 67 °F
Mostly Sunny
Tuesday Night
Low: 45 °F
Mostly Clear
Wednesday
High: 65 °F
Sunny

Detailed Forecast

This Afternoon

A 40 percent chance of showers. Mostly cloudy, with a high near 45. Northwest wind around 9 mph. New precipitation amounts of less than a tenth of an inch possible.

Tonight

A 20 percent chance of showers before 8pm. Patchy fog after 4am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 31. North northwest wind around 5 mph becoming calm in the evening.

Sunday

Patchy fog between 7am and 10am. Widespread dense freezing fog before 7am. Otherwise, sunny, with a high near 54. Light southwest wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

Sunday Night

Mostly clear, with a low around 38. South wind around 8 mph.

Monday

Sunny, with a high near 62. West wind 7 to 9 mph becoming north northwest in the afternoon.

Monday Night

Partly cloudy, with a low around 39.

Tuesday

Mostly sunny, with a high near 67.

Tuesday Night

Mostly clear, with a low around 45.

Wednesday

Sunny, with a high near 65.