National Weather Service Forecast for: Oskaloosa IA
Issued by: National Weather Service Des Moines, IA
Updated: 6:06 am CDT Jun 30, 2026
 
Today

Today: Sunny, with a high near 95. Heat index values as high as 104. Breezy, with a south southwest wind 10 to 17 mph, with gusts as high as 28 mph.
Mostly Sunny
then Sunny
and Breezy
 Tonight

Tonight: Partly cloudy, with a low around 75. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Partly Cloudy

 Wednesday

Wednesday: Sunny, with a high near 94. Breezy, with a south southwest wind 11 to 16 mph, with gusts as high as 25 mph.
Sunny then
Sunny and
Breezy
 Wednesday
Night
Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South southwest wind 11 to 15 mph, with gusts as high as 28 mph.
Mostly Clear
then Slight
Chance
T-storms
 Thursday

Thursday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. South southwest wind around 11 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms

 Thursday
Night
Thursday Night: A chance of thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms

 Friday

Friday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93.
Chance
T-storms

 Friday
Night
Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72.
Chance
T-storms

 Independence
Day
Independence Day: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92.
Chance
T-storms
Hi 95 °F Lo 75 °F Hi 94 °F Lo 76 °F Hi 94 °F Lo 73 °F Hi 93 °F Lo 72 °F Hi 92 °F

Hazardous Weather Outlook
Extreme Heat Warning
 

Today
 
 Sunny, with a high near 95. Heat index values as high as 104. Breezy, with a south southwest wind 10 to 17 mph, with gusts as high as 28 mph.
Tonight
 
 Partly cloudy, with a low around 75. South southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Wednesday
 
 Sunny, with a high near 94. Breezy, with a south southwest wind 11 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
 
 A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. South southwest wind 11 to 15 mph, with gusts as high as 28 mph.
Thursday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. South southwest wind around 11 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
 A chance of thunderstorms before 7pm, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
 
 A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93.
Friday Night
 
 A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72.
Independence Day
 
 A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92.
Saturday Night
 
 A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
 
 A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Sunday Night
 
 A 30 percent chance of showers. Partly cloudy, with a low around 68.
Monday
 
 A 30 percent chance of showers. Mostly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Oskaloosa IA.