Forecast for Northbrook, IL | Forecast Periods: 14
Sunday
Mar 15
2026
Northbrook, IL
Updated: 4:11 PM CDT
56°F
Showers And Thunderstorms
15 mph SSW
Precipitation: 90%
Showers and thunderstorms. Cloudy. High near 56, with temperatures falling to around 44 in the afternoon. South southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Hourly Forecast
Extended Forecast
Tonight
Sun, Mar 15
23°F
Rain Likely then Chance Sleet
15 mph NW
Precipitation: 100%
Showers and thunderstorms before 9pm, then rain between 9pm and 11pm, then rain likely and a chance of sleet between 11pm and midnight, then a chance of sleet and rain and snow likely between midnight and 2am, then snow and patchy blowing snow. Cloudy. Low around 23, with temperatures rising to around 26 overnight. Northwest wind 15 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Monday
Mon, Mar 16
24°F
Snow And Patchy Blowing Snow
25 mph WNW
Precipitation: 79%
Snow and patchy blowing snow. Cloudy. High near 24, with temperatures falling to around 22 in the afternoon. 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 3 inches possible.
Monday Night
Mon, Mar 16
12°F
Chance Snow And Patchy Blowing Snow then Mostly Cloudy
10 mph NW
Precipitation: 25%
A chance of snow and patchy blowing snow before 7pm. Mostly cloudy, with a low around 12. Wind chill values as low as -2. Northwest wind 10 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. New snow accumulation of less than one 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 10 mph, with gusts as high as 20 mph.
Tuesday Night
Tue, Mar 17
20°F
Snow Showers Likely
5 mph SSW
Precipitation: 56%
Snow showers likely after 7pm. Mostly cloudy, with a low around 20. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible.
Wednesday
Wed, Mar 18
42°F
Snow Showers Likely
10 mph SSW
Precipitation: 56%
Snow showers likely 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 Chance Rain Showers
5 mph SW
Precipitation: 27%
A chance of rain showers after 1am. Mostly cloudy, with a low around 34.
Thursday
Thu, Mar 19
50°F
Chance Rain Showers
5 mph NW
Precipitation: 27%
A chance of rain showers before 1pm. Mostly sunny, with a high near 50.
Thursday Night
Thu, Mar 19
36°F
Mostly Cloudy
5 mph WNW
Precipitation: 2%
Mostly cloudy, with a low around 36.
Friday
Fri, Mar 20
60°F
Partly Sunny
5 mph SW
Precipitation: 4%
Partly sunny, with a high near 60.
Friday Night
Fri, Mar 20
39°F
Mostly Cloudy
10 mph W
Precipitation: 4%
Mostly cloudy, with a low around 39.
Saturday
Sat, Mar 21
55°F
Mostly Sunny
10 mph NNW
Precipitation: 4%
Mostly sunny, with a high near 55.
Saturday Night
Sat, Mar 21
37°F
Partly Cloudy
10 mph N
Precipitation: 8%
Partly cloudy, with a low around 37.