Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Overcast

31°F

-1°C

Humidity 71%
Wind Speed SW 9 G 18 mph
Barometer 29.94 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 9 Dec 11:35 pm EST
Extended Forecast for

Ambler PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Southwest wind 5 to 10 mph.

    Low: 25 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain, mainly after 1pm.  High near 43. South wind 10 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Chance Rain
    then Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 1am.  Mostly cloudy, with a low around 29. Southwest wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 36. West wind around 15 mph, with gusts as high as 30 mph.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24. West wind 10 to 15 mph.

    Low: 24 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of snow after 1pm.  Mostly sunny, with a high near 37. Chance of precipitation is 20%.

    High: 37 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: A chance of snow.  Mostly cloudy, with a low around 25. Chance of precipitation is 40%.

    Low: 25 °F

    Chance Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow after 1am.  Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 25. Southwest wind 5 to 10 mph.
Wednesday
Rain, mainly after 1pm. High near 43. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A slight chance of rain before 1am. Mostly cloudy, with a low around 29. Southwest wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 36. West wind around 15 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 24. West wind 10 to 15 mph.
Friday
A slight chance of snow after 1pm. Mostly sunny, with a high near 37. Chance of precipitation is 20%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 39.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Sunday
A chance of snow before 1pm. Partly sunny, with a high near 34. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 15.
Monday
Mostly sunny, with a high near 30.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
Ambler PA
 40.17°N 75.23°W (Elev. 220 ft)
4:09 pm EST Dec 9, 2025
11pm EST Dec 9, 2025-6pm EST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database