Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

28°F

-2°C

Humidity	25%
Wind Speed	N 13 mph
Barometer	30.25 in
Dewpoint	-4°F (-20°C)
Visibility	10.00 mi
Wind Chill	17°F (-8°C)
Last update	8 Dec 12:55 pm EST

More Information:

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

Extended Forecast for

Gwynedd PA

This Afternoon
High: 31 °F
Cloudy
Tonight
Low: 11 °F
Gradual
Clearing
Tuesday
High: 33 °F
Increasing
Clouds
Tuesday Night
Low: 27 °F
Mostly Cloudy
Wednesday
High: 44 °F
Rain/Snow
Likely then
Rain Likely
Wednesday Night
Low: 31 °F
Chance Rain
Thursday
High: 39 °F
Mostly Sunny
Thursday Night
Low: 24 °F
Mostly Cloudy
Friday
High: 37 °F
Partly Sunny

Detailed Forecast

This Afternoon

Cloudy, with a high near 31. North wind around 10 mph, with gusts as high as 20 mph.

Tonight

Cloudy during the early evening, then gradual clearing, with a low around 11. North wind around 5 mph becoming calm in the evening.

Tuesday

Increasing clouds, with a high near 33. Calm wind becoming south around 5 mph in the afternoon.

Tuesday Night

Mostly cloudy, with a low around 27. Southwest wind around 5 mph.

Wednesday

Rain likely, possibly mixed with snow, becoming all rain after 10am. Mostly cloudy, with a high near 44. South wind 10 to 15 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Wednesday Night

A chance of rain before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

Mostly sunny, with a high near 39.

Thursday Night

Mostly cloudy, with a low around 24.

Friday

Partly sunny, with a high near 37.

Friday Night

A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 50%.

Saturday

Partly sunny, with a high near 31.

Saturday Night

Partly cloudy, with a low around 19.