Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

A Few Clouds

80°F

27°C

Humidity	77%
Wind Speed	NW 7 mph
Barometer	29.88 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	4 Sep 6:35 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Atglen PA

Tonight
Low: 65 °F
Chance
T-storms
Saturday
High: 79 °F
Partly Sunny
Saturday Night
Low: 57 °F
Mostly Clear
Sunday
High: 77 °F
Mostly Sunny
Sunday Night
Low: 55 °F
Mostly Clear
Labor Day
High: 77 °F
Sunny
Monday Night
Low: 56 °F
Mostly Clear
Tuesday
High: 80 °F
Mostly Sunny
Tuesday Night
Low: 60 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 65. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

Partly sunny, with a high near 79. Calm wind becoming north around 5 mph in the morning.

Saturday Night

Mostly clear, with a low around 57. North wind around 5 mph.

Sunday

Mostly sunny, with a high near 77. Northeast wind around 5 mph.

Sunday Night

Mostly clear, with a low around 55. Calm wind.

Labor Day

Sunny, with a high near 77.

Monday Night

Mostly clear, with a low around 56.