Fox 43 meteorologist Jeff Jumper says Thursday morning's commute will be warm, but temperatures will drop for the drive home. (WPMT video)

Collisions closed lanes along I-95 south and the outer loop during Thursday's commute.

A four-car collision closed one southbound lane and the left shoulder of I-95 before White Marsh Boulevard at exit 67. The accident had cleared as of 8:25 a.m., according to the State Highway Administration.

A three-vehicle collision also shut down a southbound lane and the left shoulder of I-95 near MD 32 in Howard County. Both had reopened as of 8:10 a.m.

Earlier, a three-vehicle collision briefly shut down two lanes and the shoulder of the outer loop at Edmondson Avenue, according to the State Highway Administration. As of 6:50 a.m., traffic lanes had reopened.

The 8:10 a.m. Baltimore departure MARC train was operating one car short, and passengers were told to expect crowded conditions.

amatas@baltsun.com