National Weather Service Forecast for: Oak Lawn IL
Issued by: National Weather Service Chicago, IL
Updated: 9:16 pm CST Dec 17, 2025
 
Tonight

Tonight: A 30 percent chance of showers, mainly after 5am.  Increasing clouds, with a temperature rising to around 44 by 5am. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Chance
Showers and
Breezy
Thursday

Thursday: Showers with patchy drizzle before 1pm, then a chance of showers after 4pm.  Temperature rising to near 49 by 10am, then falling to around 34 during the remainder of the day. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 35 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Breezy.
Showers then
Showers
Likely
Thursday
Night
Thursday Night: Scattered snow showers, mainly before midnight.  Mostly cloudy, with a low around 13. Wind chill values as low as -5. Breezy, with a west wind 20 to 25 mph, with gusts as high as 35 mph.  Chance of precipitation is 40%.
Scattered
Snow Showers
and Breezy
Friday

Friday: Mostly sunny, with a high near 27. Wind chill values as low as -4. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Mostly Sunny
and Breezy
then Mostly
Sunny
Friday
Night
Friday Night: Mostly cloudy, with a low around 23. South wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Cloudy

Saturday

Saturday: Mostly cloudy, with a high near 42.
Mostly Cloudy

Saturday
Night
Saturday Night: Partly cloudy, with a low around 20.
Partly Cloudy

Sunday

Sunday: Sunny, with a high near 32.
Sunny

Sunday
Night
Sunday Night: Mostly cloudy, with a low around 23.
Mostly Cloudy

Lo 37 °F Hi 49 °F Lo 13 °F Hi 27 °F Lo 23 °F Hi 42 °F Lo 20 °F Hi 32 °F Lo 23 °F

 

Tonight
 
A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a temperature rising to around 44 by 5am. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
 
Showers with patchy drizzle before 1pm, then a chance of showers after 4pm. Temperature rising to near 49 by 10am, then falling to around 34 during the remainder of the day. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
 
Scattered snow showers, mainly before midnight. Mostly cloudy, with a low around 13. Wind chill values as low as -5. Breezy, with a west wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.
Friday
 
Mostly sunny, with a high near 27. Wind chill values as low as -4. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night
 
Mostly cloudy, with a low around 23. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
 
Mostly cloudy, with a high near 42.
Saturday Night
 
Partly cloudy, with a low around 20.
Sunday
 
Sunny, with a high near 32.
Sunday Night
 
Mostly cloudy, with a low around 23.
Monday
 
Mostly cloudy, with a high near 39.
Monday Night
 
Mostly cloudy, with a low around 34.
Tuesday
 
Partly sunny, with a high near 45.
Tuesday Night
 
Mostly cloudy, with a low around 31.
Wednesday
 
Partly sunny, with a high near 41.

 

Forecast from NOAA-NWS for Oak Lawn IL.