Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Air Quality Alert

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Light Drizzle

63°F

17°C

Humidity	100%
Wind Speed	NE 7 mph
Barometer	30.08 in
Dewpoint	63°F (17°C)
Visibility	5.00 mi
Last update	14 Jun 12:55 pm EDT

More Information:

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

Extended Forecast for

Atglen PA

This Afternoon
High: 68 °F
Showers
Tonight
Low: 58 °F
Showers
Likely
Sunday
High: 66 °F
Showers
Likely
Sunday Night
Low: 58 °F
Showers
Likely
Monday
High: 68 °F
Chance
Showers
Monday Night
Low: 61 °F
Slight Chance
Showers
Tuesday
High: 76 °F
Mostly Cloudy
then Chance
Showers
Tuesday Night
Low: 65 °F
Chance
Showers
Wednesday
High: 84 °F
Mostly Cloudy
then Chance
Showers

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 68. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers after 5am. Cloudy, with a low around 58. East wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 66. East wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers likely, mainly before 8pm. Cloudy, with a low around 58. East wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday

A chance of showers, mainly before 2pm. Cloudy, with a high near 68. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.

Monday Night

A slight chance of showers. Cloudy, with a low around 61. Chance of precipitation is 20%.

Tuesday

A chance of showers after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.

Tuesday Night

A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

Wednesday

A chance of showers after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.

Wednesday Night

A chance of showers before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

Juneteenth

A chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 50%.