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

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Light Rain

41°F

5°C

Humidity 67%
Wind Speed S 7 mph
Barometer 29.46 in (997.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 10 Dec 1:54 pm EST
Extended Forecast for

4 Miles W Hereford PA

Winter Weather Advisory December 10, 02:17pm until December 10, 06:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 10, 02:17pm until December 10, 06:00pm

    NOW until 6:00pm Wed

    Winter Weather Advisory

  • This Afternoon

    High: 37 °F

    Rain/Snow

  • Tonight

    Tonight: A chance of rain, mainly before midnight.  Mostly cloudy, with a low around 26. Blustery, with a southwest wind 10 to 20 mph becoming northwest after midnight.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 26 °F

    Chance Rain
    and Blustery

  • Thursday

    Thursday: Partly sunny, with a high near 31. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 31 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. West wind 10 to 15 mph, with gusts as high as 35 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32. West wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of snow.  Mostly cloudy, with a low around 22. Chance of precipitation is 40%.

    Low: 22 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow.  Mostly cloudy, with a low around 21. Chance of precipitation is 40%.

    Low: 21 °F

    Chance Snow

Detailed Forecast

This Afternoon
Rain and snow, mainly before 4pm. High near 37. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
A chance of rain, mainly before midnight. Mostly cloudy, with a low around 26. Blustery, with a southwest wind 10 to 20 mph becoming northwest after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Partly sunny, with a high near 31. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.
Thursday Night
Partly cloudy, with a low around 23. West wind 10 to 15 mph, with gusts as high as 35 mph.
Friday
Partly sunny, with a high near 32. West wind 5 to 10 mph, with gusts as high as 25 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 34.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 27.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 25.
Monday Night
Mostly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Hereford PA
 40.43°N 75.65°W (Elev. 961 ft)
6:10 am EST Dec 10, 2025
2pm EST Dec 10, 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