National Weather Service Forecast for: Ottumwa IA
Issued by: National Weather Service Des Moines, IA
Updated: 4:48 pm CDT Apr 9, 2025
 
Tonight

Tonight: Mostly clear, with a low around 42. North northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Mostly Clear

 Thursday

Thursday: A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 66. Northwest wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers
 Thursday
Night
Thursday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Partly cloudy, with a low around 41. North wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Slight Chance
T-storms then
Partly Cloudy
 Friday

Friday: Mostly sunny, with a high near 58. North wind around 6 mph.
Mostly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 37. Light and variable wind.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 66.
Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 49.
Partly Cloudy

 Sunday

Sunday: Mostly sunny, with a high near 77. Breezy.
Mostly Sunny
and Breezy
 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 52.
Mostly Cloudy
Lo 42 °F Hi 66 °F Lo 41 °F Hi 58 °F Lo 37 °F Hi 66 °F Lo 49 °F Hi 77 °F Lo 52 °F

 

Tonight
 
 Mostly clear, with a low around 42. North northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Thursday
 
 A chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 66. Northwest wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
 A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Partly cloudy, with a low around 41. North wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Friday
 
 Mostly sunny, with a high near 58. North wind around 6 mph.
Friday Night
 
 Mostly clear, with a low around 37. Light and variable wind.
Saturday
 
 Sunny, with a high near 66.
Saturday Night
 
 Partly cloudy, with a low around 49.
Sunday
 
 Mostly sunny, with a high near 77. Breezy.
Sunday Night
 
 Mostly cloudy, with a low around 52.
Monday
 
 Partly sunny, with a high near 66. Breezy.
Monday Night
 
 Partly cloudy, with a low around 40.
Tuesday
 
 Sunny, with a high near 60. Breezy.
Tuesday Night
 
 Mostly clear, with a low around 35.
Wednesday
 
 Sunny, with a high near 64.

 

Forecast from NOAA-NWS for Ottumwa IA.