Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Overcast

46°F

8°C

Humidity	58%
Wind Speed	S 16 G 24 mph
Barometer	29.52 in (999.6 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Wind Chill	39°F (4°C)
Last update	10 Dec 12:54 pm EST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles NW Williamstown NJ

This Afternoon
High: 45 °F
Rain Likely
Tonight
Low: 29 °F
Chance Rain
then Partly
Cloudy
Thursday
High: 36 °F
Mostly Sunny
and Breezy
Thursday Night
Low: 24 °F
Mostly Clear
Friday
High: 37 °F
Partly Sunny
Friday Night
Low: 24 °F
Chance Snow
Saturday
High: 40 °F
Partly Sunny
Saturday Night
Low: 25 °F
Mostly Cloudy
then Chance
Snow
Sunday
High: 33 °F
Chance Snow

Detailed Forecast

This Afternoon

Rain likely, mainly between 4pm and 5pm. Cloudy, with a high near 45. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Tonight

A chance of rain, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 29. Southwest wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

Mostly sunny, with a high near 36. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 35 mph.

Thursday Night

Mostly clear, with a low around 24. West wind 10 to 15 mph, with gusts as high as 30 mph.

Friday

Partly sunny, with a high near 37. West wind 5 to 10 mph, with gusts as high as 20 mph.

Friday Night

A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.

Saturday

Partly sunny, with a high near 40.

Saturday Night

A chance of snow after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.