Coming up today in the D.C. region:

RGIII’s knee: Robert Griffin III is expected to undergo an MRI today after his knee buckled in the fourth quarter of Sunday’s game against the Seahawks.

Vulture control: Measures to get rid of the hundreds of vultures roosting in Leesburg this winter — including the setting off of fireworks and lasers — are set to begin this afternoon at 4 p.m.

Dr. Gridlock returns: The Post’s Robert Thomson will take your questions about Metro, traffic and transportation during today’s live chat at noon.

January thaw: Today will be sunny and mild, with temperatures in the 40s. Expect the warmth to last through the week.