National Weather Service Forecast for: Ottumwa IA
Issued by: National Weather Service Des Moines, IA
Updated: 12:11 pm CDT Oct 6, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 80. South southwest wind 10 to 13 mph.
Sunny
 Tonight

Tonight: Mostly clear, with a low around 59. South southwest wind around 6 mph becoming light and variable after midnight.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 80. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 52. Calm wind.
Mostly Clear
 Thursday

Thursday: Mostly sunny, with a high near 72. Light north northeast wind.
Mostly Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 51.
Mostly Clear
 Friday

Friday: Mostly sunny, with a high near 75.
Mostly Sunny
 Friday
Night
Friday Night: Clear, with a low around 59.
Clear
 Saturday

Saturday: Sunny, with a high near 80.
Sunny
Hi 80 °F Lo 59 °F Hi 80 °F Lo 52 °F Hi 72 °F Lo 51 °F Hi 75 °F Lo 59 °F Hi 80 °F

 

This Afternoon
 
 Sunny, with a high near 80. South southwest wind 10 to 13 mph.
Tonight
 
 Mostly clear, with a low around 59. South southwest wind around 6 mph becoming light and variable after midnight.
Wednesday
 
 Sunny, with a high near 80. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
 
 Mostly clear, with a low around 52. Calm wind.
Thursday
 
 Mostly sunny, with a high near 72. Light north northeast wind.
Thursday Night
 
 Mostly clear, with a low around 51.
Friday
 
 Mostly sunny, with a high near 75.
Friday Night
 
 Clear, with a low around 59.
Saturday
 
 Sunny, with a high near 80.
Saturday Night
 
 Mostly clear, with a low around 62.
Sunday
 
 Sunny, with a high near 80.
Sunday Night
 
 Mostly clear, with a low around 61.
Columbus Day
 
 Mostly sunny, with a high near 76.

 

Forecast from NOAA-NWS for Ottumwa IA.