In the event of extreme weather, JCC or a specific campus or center may be closed for the entire day, for daytime classes, or for evening classes.

Such closings are announced via the following media outlets and their websites:

Jamestown: SE-93, WJTN, WKSN, WHUG, Kiss 106.9, and 103 The Fox
Olean: WMXO, WHDL, WPIG
Warren: WRRN, WNAE
Dunkirk: WDOE, WBKX
Buffalo Television: WGRZ 2, WIVB 4, WKBW 7
Erie Television: WICU 12