2-4 Inches of Snow to Impact Morning Commute in Lexington

• Subscribe to Lexington Patch news alerts

The region will get hit with 2-4 inches of snow late Tuesday night, likely affecting the Wednesday morning commute.

The National Weather Service issued a winter weather advisory:

• A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 7 AM EST WEDNESDAY...
• LOCATIONS...EASTERN MASSACHUSETTS AND RHODE ISLAND. THIS INCLUDES THE GREATER BOSTON AND PROVIDENCE METRO AREAS AS WELL AS SURROUNDING TOWNS.
• ACCUMULATIONS...2 TO 4 INCHES OF SNOW...HIGHEST TOTALS LIKELY BETWEEN FROM THE CAPE COD CANAL NORTHWEST TO THE I-95/RT-128 CORRIDOR.
• TIMING...SNOW COMES ONSHORE INTO SOUTHERN MASSACHUSETTS AND COASTAL RHODE ISLAND BETWEEN 10 PM AND MIDNIGHT...THEN RAPIDLY OVERSPREADS THE REMAINDER OF RHODE ISLAND AND EASTERN MASSACHUSETTS AFTER MIDNIGHT. THE HEAVIEST SNOW FALLS BETWEEN 1 AM AND 5 AM THEN QUICKLY EXITS EASTERN MASSACHUSETTS BETWEEN 6 AM AND 7 AM.
• IMPACTS...ROADS WILL QUICKLY BECOME SNOW COVERED ALONG WITH POOR VISIBILITY. SNOWFALL RATES MAY BRIEFLY REACH OR EXCEED 1 INCH PER HOUR BETWEEN 1 AM AND 5 AM. BULK OF THE SNOW WILL BE OVER BY THE WEDNESDAY MORNING RUSH HOUR...BUT UNTREATED/UNPLOWED ROADS WILL BE SNOW COVERED.
• UNCERTAINTY...SNOW MAY MIX WITH RAIN FOR A TIME ACROSS THE ISLAND OF NANTUCKET...WHICH MAY RESULT IN LESS SNOWFALL. ALSO...THERE WILL BE A VERY SHARP CUT OFF IN ACCUMULATING SNOWFALL RANGING FROM SEVERAL INCHES TO JUST A COATING OVER A SHORT DISTANCE. THIS SHARP CUTOFF WILL LIKELY BE JUST TO THE NORTHWEST OF BOSTON AND PROVIDENCE. HOWEVER THIS LINE MAY VERIFY SLIGHTLY EAST OR WEST OF THIS AREA. HENCE SOME UNCERTAINTY ON EXACT SNOWFALL ACROSS THIS REGION. GREATER CONFIDENCE FOR 2-4” OF SNOW ALONG AND SOUTHEAST OF I-95/RT-128 SOUTHEAST TO THE CAPE COD CANAL.