Coming up today in the D.C. region: 

Funeral for Virginia state trooper: Services will be held tonight for the Virginia state trooper fatally shot last week during a traffic stop.

Weapons testing in Maryland: The Army warns that neighbors of the Aberdeen Proving Ground north of Baltimore will hear big booms due to weapons testing today through March 22 . 

Feels like spring: The week gets off to a springlike start with more warm temperatures, but don’t expect it to last. 

Live Q&A: Join Dr. Gridlock at noon to chat live about traffic and transit in the Washington region.