National Weather Service Forecast for: Oak Lawn IL
Issued by: National Weather Service Chicago, IL
Updated: 8:57 am CDT May 31, 2025
 
Today

Today: Mostly sunny, with a high near 64. North northeast wind around 10 mph, with gusts as high as 15 mph.
Mostly Sunny

 Tonight

Tonight: Partly cloudy, with a low around 49. Northeast wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.
Partly Cloudy

 Sunday

Sunday: Mostly sunny, with a high near 70. Light and variable wind becoming northeast 5 to 10 mph in the afternoon.
Mostly Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 55. East wind around 5 mph becoming south southwest after midnight. Winds could gust as high as 10 mph.
Mostly Clear

 Monday

Monday: Sunny, with a high near 87. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunny

 Monday
Night
Monday Night: Partly cloudy, with a low around 65.
Partly Cloudy

 Tuesday

Tuesday: Partly sunny, with a high near 89. Breezy.
Partly Sunny
then Partly
Sunny and
Breezy
 Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Chance
T-storms

 Wednesday

Wednesday: Showers likely, then showers and possibly a thunderstorm after 1pm. Cloudy, with a high near 78.
Showers
Hi 64 °F Lo 49 °F Hi 70 °F Lo 55 °F Hi 87 °F Lo 65 °F Hi 89 °F Lo 68 °F Hi 78 °F

 

Today
 
 Mostly sunny, with a high near 64. North northeast wind around 10 mph, with gusts as high as 15 mph.
Tonight
 
 Partly cloudy, with a low around 49. Northeast wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.
Sunday
 
 Mostly sunny, with a high near 70. Light and variable wind becoming northeast 5 to 10 mph in the afternoon.
Sunday Night
 
 Mostly clear, with a low around 55. East wind around 5 mph becoming south southwest after midnight. Winds could gust as high as 10 mph.
Monday
 
 Sunny, with a high near 87. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
 
 Partly cloudy, with a low around 65.
Tuesday
 
 Partly sunny, with a high near 89. Breezy.
Tuesday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Wednesday
 
 Showers likely, then showers and possibly a thunderstorm after 1pm. Cloudy, with a high near 78.
Wednesday Night
 
 Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Cloudy, with a low around 60.
Thursday
 
 Showers likely and possibly a thunderstorm. Cloudy, with a high near 70.
Thursday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Friday
 
 Mostly sunny, with a high near 72.

 

Forecast from NOAA-NWS for Oak Lawn IL.