Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

30°F

-1°C

Humidity	85%
Wind Speed	W 3 mph
Barometer	30.07 in
Dewpoint	26°F (-3°C)
Visibility	10.00 mi
Last update	7 Dec 8:35 pm EST

More Information:

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

Extended Forecast for

Lansdale PA

Tonight
Low: 22 °F
Partly Cloudy
Monday
High: 30 °F
Partly Sunny
Monday Night
Low: 12 °F
Partly Cloudy
Tuesday
High: 33 °F
Increasing
Clouds
Tuesday Night
Low: 27 °F
Mostly Cloudy
then Slight
Chance Snow
Wednesday
High: 45 °F
Chance Rain
Wednesday Night
Low: 31 °F
Chance Rain
Thursday
High: 41 °F
Mostly Sunny
Thursday Night
Low: 26 °F
Chance Snow

Detailed Forecast

Tonight

Partly cloudy, with a low around 22. Southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 25 mph.

Monday

Partly sunny, with a high near 30. North wind 10 to 15 mph, with gusts as high as 25 mph.

Monday Night

Partly cloudy, with a low around 12. North wind around 5 mph becoming calm.

Tuesday

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

Tuesday Night

A slight chance of snow after 1am. Mostly cloudy, with a low around 27. Southwest wind around 5 mph. Chance of precipitation is 20%.

Wednesday

A chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

A chance of rain before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

Thursday

Mostly sunny, with a high near 41.

Thursday Night

A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

Friday

A chance of snow. Partly sunny, with a high near 36. Chance of precipitation is 30%.

Friday Night

A chance of snow. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

Saturday

Partly sunny, with a high near 31.