National Weather Service Forecast for: Oskaloosa IA
Issued by: National Weather Service Des Moines, IA
Updated: 11:52 am CDT May 4, 2026
 
This
Afternoon
This Afternoon: A 10 percent chance of showers and thunderstorms after 5pm.  Sunny, with a high near 82. West southwest wind around 15 mph, with gusts as high as 22 mph.
Slight Chance
T-storms

Tonight

Tonight: A chance of showers and thunderstorms.  Increasing clouds, with a low around 47. West northwest wind 7 to 13 mph becoming north after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers
Tuesday

Tuesday: A slight chance of showers before 8am, then a slight chance of showers after noon.  Partly sunny, with a high near 60. North wind 6 to 10 mph.  Chance of precipitation is 20%.
Slight Chance
Showers

Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 41. North wind around 7 mph.
Mostly Cloudy

Wednesday

Wednesday: Mostly cloudy, with a high near 58. North wind 6 to 9 mph.
Mostly Cloudy

Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 40.
Mostly Cloudy

Thursday

Thursday: Mostly sunny, with a high near 65.
Mostly Sunny

Thursday
Night
Thursday Night: Partly cloudy, with a low around 45.
Partly Cloudy

Friday

Friday: Mostly sunny, with a high near 67.
Mostly Sunny

Hi 82 °F Lo 47 °F Hi 60 °F Lo 41 °F Hi 58 °F Lo 40 °F Hi 65 °F Lo 45 °F Hi 67 °F

Hazardous Weather Outlook
 

This Afternoon
 
A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 82. West southwest wind around 15 mph, with gusts as high as 22 mph.
Tonight
 
A chance of showers and thunderstorms. Increasing clouds, with a low around 47. West northwest wind 7 to 13 mph becoming north after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
A slight chance of showers before 8am, then a slight chance of showers after noon. Partly sunny, with a high near 60. North wind 6 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
 
Mostly cloudy, with a low around 41. North wind around 7 mph.
Wednesday
 
Mostly cloudy, with a high near 58. North wind 6 to 9 mph.
Wednesday Night
 
Mostly cloudy, with a low around 40.
Thursday
 
Mostly sunny, with a high near 65.
Thursday Night
 
Partly cloudy, with a low around 45.
Friday
 
Mostly sunny, with a high near 67.
Friday Night
 
Partly cloudy, with a low around 44.
Saturday
 
Sunny, with a high near 73.
Saturday Night
 
A 30 percent chance of showers. Partly cloudy, with a low around 49.
Sunday
 
A 30 percent chance of showers. Mostly sunny, with a high near 72.

 

Forecast from NOAA-NWS for Oskaloosa IA.