Coming up today in the D.C. area:

Mourning slain student: Grief counselors will visit classmates of a Rockville High School senior who, police say, was killed in a murder-suicide.

Job creation: Maryland Gov. Martin O’Malley is set to sign bills with an emphasis on jobs this morning.

Urban trail: Officials in Frederick, Md., will unveil plans for a new bicycle and pedestrian trail tonight.

Ball game: Warm daytime temperatures will dip to about 60 degrees as the Nationals face off against the Chicago White Sox at 7:05 p.m.