National Weather Service United States Department of Commerce

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Average monthly snowfall (1971 through 2015) in inches for the four 
National Climate Data Center climate sites in our forecast area
SITE January February March April October November December Total
PHL 6.4 6.6 3.2 0.6 0.1 0.4 2.0 19.3
ABE 11.1 9.4 5.7 0.8 0.1 1.4 3.8 32.3
ACY 4.6 5.5 1.3 0.3 0 0.3 1.5 13.5
ILG 7.5 6.3 2.2 0.3 0.1 0.6 1.9 18.9
Average number of days (1971 through 2015) of one inch or more of snowfall
for the four National Climate Data Center climate sites in our forecast area
SITE January February March April October November December Total
PHL 1.9 1.5 0.8 0.2 0 0.2 0.5 5.1
ABE 2.8 2.2 1.2 0.2 0.1 0.4 1.4 8.3
ACY 1.6 1.3 0.5 0.1 0 0 0.5 4.0
ILG 2.2 1.4 0.5 0.2 0 0.2 0.7 5.2

Annual Snowfall Across Climate Sites

Atlantic City Philadelphia Wilmington Allentown
Figure 1: Atlantic City Annual Snowfall Figure 2: Philadelphia Annual Snowfall Figure 3: Wilmington Annual Snowfall Figure 4: Allentown Annual Snowfall