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

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

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Overcast

32°F

0°C

Humidity 100%
Wind Speed W 5 mph
Barometer 30.06 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 7 Dec 10:15 pm EST
Extended Forecast for

2 Miles WNW Lyndell PA

  • Tonight

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

    Low: 22 °F

    Partly Cloudy

  • Monday

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

    High: 30 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 12. North wind around 5 mph becoming calm.

    Low: 12 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 33. Light and variable wind becoming south 5 to 10 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. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.

    High: 45 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 25 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 22. West 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
Mostly cloudy, then gradually becoming mostly clear, with a low around 12. North wind around 5 mph becoming calm.
Tuesday
Increasing clouds, with a high near 33. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 27. Southwest wind around 5 mph.
Wednesday
A chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Friday
A chance of rain and snow before 1pm, then a chance of snow. Partly sunny, with a high near 35. Chance of precipitation is 30%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Lyndell PA
 40.05°N 75.75°W (Elev. 492 ft)
Last Update:
6:09 pm EST Dec 7, 2025
Forecast Valid:
10pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation