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

Hazardous Weather Conditions

Current conditions at

Ottumwa Regional Airport (KOTM)

Lat: 41.1°NLon: 92.44°WElev: 830ft.

Freezing Fog

27°F

-3°C

Humidity	100%
Wind Speed	S 5 mph
Barometer	30.20 in (1023.5 mb)
Dewpoint	27°F (-3°C)
Visibility	0.25 mi
Wind Chill	21°F (-6°C)
Last update	2 Nov 5:53 am CST

More Information:

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

Extended Forecast for

5 Miles SE Blakesburg IA

Dense Fog Advisory November 2, 06:04am until November 2, 08:00am

Click here for hazard details and duration

...

Dense Fog Advisory November 2, 06:04am until November 2, 08:00am
NOW until 8:00am Sun
Dense Fog Advisory
Today
High: 52 °F
Dense
Freezing Fog
and Dense Fog
then Sunny
Tonight
Low: 37 °F
Mostly Clear
Monday
High: 62 °F
Sunny
Monday Night
Low: 41 °F
Increasing
Clouds
Tuesday
High: 69 °F
Mostly Sunny
Tuesday Night
Low: 46 °F
Mostly Clear
Wednesday
High: 63 °F
Sunny
Wednesday Night
Low: 37 °F
Mostly Clear

Detailed Forecast

Today

Widespread dense fog between 8am and 10am. Widespread dense freezing fog before 8am. Otherwise, sunny, with a high near 52. Light southwest wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

Tonight

Mostly clear, with a low around 37. South wind 6 to 9 mph becoming west southwest after midnight. Winds could gust as high as 18 mph.

Monday

Sunny, with a high near 62. North northwest wind 5 to 7 mph becoming light and variable in the afternoon.

Monday Night

Increasing clouds, with a low around 41. Calm wind becoming south southeast around 6 mph after midnight.

Tuesday

Mostly sunny, with a high near 69. South southwest wind 7 to 11 mph, with gusts as high as 22 mph.

Tuesday Night

Mostly clear, with a low around 46.

Wednesday

Sunny, with a high near 63.