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

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Fair

29°F

-2°C

Humidity 49%
Wind Speed N 8 G 17 mph
Barometer 30.19 in (1022.5 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 8 Dec 5:54 am EST
Extended Forecast for

3 Miles NNW Malvern PA

  • Today

    Today: Increasing clouds, with a high near 30. North wind 10 to 15 mph.

    High: 30 °F

    Increasing
    Clouds

  • Tonight

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

    Low: 11 °F

    Gradual
    Clearing

  • Tuesday

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

    High: 33 °F

    Increasing
    Clouds

  • Tuesday Night

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

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow before 10am, then rain likely.  Mostly cloudy, with a high near 44. South wind around 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 1am.  Mostly cloudy, with a low around 31. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 30. North wind 10 to 15 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
A chance of rain and snow before 10am, then rain likely. Mostly cloudy, with a high near 44. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
A slight chance of rain before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
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
Mostly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Partly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Malvern PA
 40.07°N 75.54°W (Elev. 358 ft)
4:10 am EST Dec 8, 2025
6am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database