Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

A Few Clouds

61°F

16°C

Humidity	93%
Wind Speed	Calm
Barometer	29.84 in
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Last update	16 Jun 11:35 pm EDT

More Information:

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

Extended Forecast for

3 Miles W Coatesville PA

Tonight
Low: 57 °F
Mostly Cloudy
Wednesday
High: 80 °F
Chance
Showers
Wednesday Night
Low: 64 °F
Increasing
Clouds
Thursday
High: 87 °F
Chance
Showers
Thursday Night
Low: 64 °F
Partly Cloudy
then Slight
Chance
Showers
Juneteenth
High: 78 °F
Slight Chance
Showers
Friday Night
Low: 59 °F
Mostly Clear
Saturday
High: 78 °F
Sunny
Saturday Night
Low: 58 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly cloudy, with a low around 57. Southeast wind around 5 mph.

Wednesday

A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 80. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Increasing clouds, with a low around 64. Southeast wind 5 to 10 mph.

Thursday

A chance of showers, with thunderstorms also possible after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 87. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

Thursday Night

A slight chance of showers before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 64. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Juneteenth

A slight chance of showers before 2pm. Partly sunny, with a high near 78. Chance of precipitation is 20%.

Friday Night

Mostly clear, with a low around 59.

Saturday

Sunny, with a high near 78.

Saturday Night

Mostly clear, with a low around 58.

Sunday

Sunny, with a high near 80.

Sunday Night

A chance of showers. Partly cloudy, with a low around 59. Chance of precipitation is 40%.