Things will continue to cool off in our area as homecoming weekend gets underway. An upper-level trough positioned over the northeast United States will deepen over the next 24 hours, with help from an amplified upstream ridge, moving an associated surface cyclone and cold front towards the northeast. As the surface cyclone passes to the northwest and a cold front passes through a drop in temperatures will occur as cold air from Canada is transported into our area. After the passing of the first cold front, a second cold front is expected to pass through approximately 12 hours later, dropping temperatures even further. Prepare for a cold weekend, so stay warm and GO SEAWOLVES!
Thursday Night
![](https://you.stonybrook.edu/weather/files/2015/09/cloudy-night-sac-169p3g4.jpg)
Clouds increasing throughout the night, with a slight chance of rain
Low
%
Chance of Rain
Friday Night
![](https://you.stonybrook.edu/weather/files/2015/09/partcld-day-humanities-18r1pty.jpg)
Mostly sunny with moderate northwesterly winds
High
%
Chance of Rain
Friday Night
![](https://you.stonybrook.edu/weather/files/2015/09/calm-night-roth-t3m7jw.jpg)
Mostly clear with wind chills potentially bringing temperatures into the upper 30s
Low
%
Chance of Rain
Saturday
![](https://you.stonybrook.edu/weather/files/2015/09/mstlsunny-day-admin-z7dde7.jpg)
Mostly sunny with strong northwesterly winds
High
%
Chance of Rain
Saturday Night
![](https://you.stonybrook.edu/weather/files/2015/09/clr-night-sac2-2lgjmem.jpg)
Clear and very cool
Low
%