Forecast for Oak Lawn, IL | Forecast Periods: 14
Sunday
Mar 15
2026
Oak Lawn, IL
Updated: 1:21 PM CDT
60°F
Showers And Thunderstorms
25 mph S
Precipitation: 79%
Rain showers likely before 4pm, then showers and thunderstorms. Cloudy, with a high near 60. South wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Hourly Forecast
Extended Forecast
Tonight
Sun, Mar 15
24°F
Showers And Thunderstorms then Snow Likely And Patchy Blowing Snow
20 mph W
Precipitation: 99%
Showers and thunderstorms before 10pm, then rain likely between 10pm and midnight, then a chance of sleet and a chance of rain between midnight and 1am, then rain and snow likely between 1am and 4am, then snow likely and patchy blowing snow. Cloudy. Low around 24, with temperatures rising to around 29 overnight. West wind 20 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday
Mon, Mar 16
25°F
Snow And Patchy Blowing Snow
25 mph WNW
Precipitation: 76%
Snow and patchy blowing snow. Cloudy, with a high near 25. West northwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Mon, Mar 16
13°F
Chance Snow And Patchy Blowing Snow then Slight Chance Snow Showers
15 mph NW
Precipitation: 27%
A chance of snow and patchy blowing snow before 7pm, then a slight chance of snow showers between 7pm and 1am. Mostly cloudy, with a low around 13. Wind chill values as low as -1. Northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. New snow accumulation of less than half an inch possible.
Tuesday
Tue, Mar 17
25°F
Mostly Sunny
5 mph W
Precipitation: 2%
Mostly sunny, with a high near 25. West wind 5 to 15 mph.
Tuesday Night
Tue, Mar 17
22°F
Chance Snow Showers
5 mph SSW
Precipitation: 53%
A chance of snow showers after 7pm. Mostly cloudy, with a low around 22. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.
Wednesday
Wed, Mar 18
42°F
Chance Snow Showers
10 mph S
Precipitation: 53%
A chance of snow showers before 1pm. Mostly cloudy, with a high near 42. New snow accumulation of less than half an inch possible.
Wednesday Night
Wed, Mar 18
34°F
Mostly Cloudy then Slight Chance Rain Showers
5 mph SSW
Precipitation: 22%
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 34.
Thursday
Thu, Mar 19
53°F
Slight Chance Rain Showers
5 mph NW
Precipitation: 22%
A slight chance of rain showers before 1pm. Mostly sunny, with a high near 53.
Thursday Night
Thu, Mar 19
37°F
Mostly Cloudy
5 mph E
Precipitation: 2%
Mostly cloudy, with a low around 37.
Friday
Fri, Mar 20
61°F
Partly Sunny
5 mph SW
Precipitation: 4%
Partly sunny, with a high near 61.
Friday Night
Fri, Mar 20
41°F
Mostly Cloudy
10 mph W
Precipitation: 3%
Mostly cloudy, with a low around 41.
Saturday
Sat, Mar 21
58°F
Mostly Sunny
10 mph NNW
Precipitation: 3%
Mostly sunny, with a high near 58.
Saturday Night
Sat, Mar 21
39°F
Partly Cloudy
10 mph NNE
Precipitation: 8%
Partly cloudy, with a low around 39.