National Weather Service Forecast for: Ottumwa IA
Issued by: National Weather Service Des Moines, IA
Updated: 7:21 pm CST Dec 16, 2025
 
Tonight

Tonight: Patchy fog between 3am and 5am. Otherwise, mostly cloudy, with a low around 26. West northwest wind 5 to 7 mph.
Mostly Cloudy
then Patchy
Fog
 Wednesday

Wednesday: Mostly sunny, with a high near 43. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Rain, mainly after midnight. Temperature rising to around 44 by 3am. Breezy, with a south southeast wind 10 to 17 mph becoming west southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Breezy.
Mostly Cloudy
then Rain
 Thursday

Thursday: A chance of rain before noon, then a slight chance of snow showers after 3pm. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 29 by 5pm. Windy, with a west wind 13 to 18 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Windy. Chance
Rain then
Slight Chance
Snow Showers
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 14. Windy, with a west northwest wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 36 mph.
Partly Cloudy
and Windy

 Friday

Friday: Mostly sunny, with a high near 38.
Mostly Sunny

 Friday
Night
Friday Night: Mostly cloudy, with a low around 31.
Mostly Cloudy

 Saturday

Saturday: Partly sunny, with a high near 45.
Partly Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 22.
Partly Cloudy
Lo 26 °F Hi 43 °F Lo 38 °F⇑ Hi 43 °F⇓ Lo 14 °F Hi 38 °F Lo 31 °F Hi 45 °F Lo 22 °F

 

Tonight
 
 Patchy fog between 3am and 5am. Otherwise, mostly cloudy, with a low around 26. West northwest wind 5 to 7 mph.
Wednesday
 
 Mostly sunny, with a high near 43. Light and variable wind becoming south southeast 5 to 10 mph in the afternoon.
Wednesday Night
 
 Rain, mainly after midnight. Temperature rising to around 44 by 3am. Breezy, with a south southeast wind 10 to 17 mph becoming west southwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
 
 A chance of rain before noon, then a slight chance of snow showers after 3pm. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 29 by 5pm. Windy, with a west wind 13 to 18 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday Night
 
 Partly cloudy, with a low around 14. Windy, with a west northwest wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 36 mph.
Friday
 
 Mostly sunny, with a high near 38.
Friday Night
 
 Mostly cloudy, with a low around 31.
Saturday
 
 Partly sunny, with a high near 45.
Saturday Night
 
 Partly cloudy, with a low around 22.
Sunday
 
 Mostly sunny, with a high near 34.
Sunday Night
 
 Mostly cloudy, with a low around 25.
Monday
 
 Partly sunny, with a high near 42.
Monday Night
 
 Mostly cloudy, with a low around 33.
Tuesday
 
 Mostly sunny, with a high near 48.

 

Forecast from NOAA-NWS for Ottumwa IA.