The MBTA had originally said that Tuesday rail service from Forest Hills would be like Monday's — AKA nada. But as of Tuesday morning, a reduced number of trains are making the trip from Forest Hills as far as Sullivan Square.
The T's "Winter" page indicates Green Line trolleys still aren't running to JP. You'll have bus replacement service along the E line from Heath to Symphony on Tuesday.
The Orange Line news wasn't widely publicized at first, as evidenced by this Tweet:
— AEHargadon (@ashleyhargadon) February 17, 2015
But the overall picture remains grim for commuters. The lame duck head of the T, Beverly Scott, said to expect it to take a month for service to return to normal.