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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Light Rain Fog/Mist

46°F

8°C

Humidity 99%
Wind Speed Vrbl 3 mph
Barometer 30.07 in
Dewpoint 45°F (7°C)
Visibility 4.00 mi
Last update 9 Jan 5:35 pm EST
Extended Forecast for

Atglen PA

  • This Afternoon

    This Afternoon: Rain likely. Cloudy, with a high near 52. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain Likely

  • Tonight

    Tonight: Rain likely, mainly before 7pm. Mostly cloudy, with a low around 39. Southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain Likely
    then Mostly
    Cloudy

  • Saturday

    Saturday: Rain, mainly before 5pm. High near 43. North wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Rain Likely
    then Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly between 7pm and 1am. Cloudy, with a low around 36. East wind 5 to 15 mph becoming west after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain Likely

  • Sunday

    Sunday: A slight chance of rain and snow showers between 1pm and 4pm, then a slight chance of snow showers after 4pm. Mostly sunny, with a high near 41. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.

    High: 41 °F

    Breezy.
    Mostly Sunny
    then Isolated
    Rain/Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. Breezy.

    Low: 26 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

Detailed Forecast

This Afternoon
Rain likely. Cloudy, with a high near 52. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain likely, mainly before 7pm. Mostly cloudy, with a low around 39. Southwest wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain, mainly before 5pm. High near 43. North wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain likely, mainly between 7pm and 1am. Cloudy, with a low around 36. East wind 5 to 15 mph becoming west after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A slight chance of rain and snow showers between 1pm and 4pm, then a slight chance of snow showers after 4pm. Mostly sunny, with a high near 41. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 26. Breezy.
Monday
Sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
A chance of rain. Partly sunny, with a high near 36. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Atglen PA
 39.96°N 75.97°W (Elev. 499 ft)
Last Update:
4:14 pm EST Jan 9, 2026
Forecast Valid:
5pm EST Jan 9, 2026-6pm EST Jan 16, 2026
 
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