Forecasters are warning that a heavy burst of snow may push through the region around tonight’s evening rush hour.
The snow squall will be followed by an arctic cold front that may produce record low temperatures Thursday and Friday.
From the National Weather Service:
… ARCTIC COLD FRONT TO BRING SNOW SHOWERS AND SQUALLS LATER TODAY…
AN ARCTIC COLD FRONT WILL PUSH ACROSS THE MIDDLE ATLANTIC REGION THIS AFTERNOON AND EVENING. THE FRONT WILL BE ACCOMPANIED BY SNOW SHOWERS AND SQUALLS WHICH WILL HAVE THE POTENTIAL TO PRODUCE A QUICK BURST OF HEAVY SNOW… REDUCED VISIBILITIES AND HAZARDOUS TRAVEL CONDITIONS. THE ARCTIC FRONT WILL PUSH ACROSS THE I-81 CORRIDOR BY EARLY AFTERNOON THEN THROUGH THE BALTIMORE AND WASHINGTON DC METRO AREAS DURING THE LATE AFTERNOON AND EARLY EVENING. BEHIND THE FRONT… GUSTY NORTHWEST WINDS AND RAPIDLY FALLING TEMPERATURES WILL LEAD TO BELOW ZERO WIND CHILLS AND BITTERLY COLD TEMPERATURES OVERNIGHT.