National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

36°F

2°C

Humidity 55%
Wind Speed W 3 mph
Barometer 30.05 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 3 Dec 4:35 pm EST
Extended Forecast for

Devon PA

  • Tonight

    Tonight: Mostly clear, with a low around 26. West wind around 5 mph.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 38. West wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 38 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 16. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 16 °F

    Mostly Clear

  • Friday

    Friday: A chance of snow after 1pm. Mostly cloudy, with a high near 30. Calm wind becoming south around 5 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Partly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: A chance of snow, mainly before 1am. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 26. West wind around 5 mph.
Thursday
Increasing clouds, with a high near 38. West wind 5 to 15 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 16. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
A chance of snow after 1pm. Mostly cloudy, with a high near 30. Calm wind becoming south around 5 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Saturday
Partly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 30.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
A chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Devon PA
 40.03°N 75.4°W (Elev. 397 ft)
Last Update:
4:10 pm EST Dec 3, 2025
Forecast Valid:
4pm EST Dec 3, 2025-6pm EST Dec 10, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation