Multiple rounds of storms through Thursday

A briefing on the multiple rounds of storms through Thursday, September 3. Read More >

Hazardous Weather Conditions

Severe Thunderstorm Watch in effect from September 1, 04:35 PM EDT until September 2, 12:00 AM EDT

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

A Few Clouds

87°F

31°C

Humidity	73%
Wind Speed	W 8 mph
Barometer	29.95 in
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	99°F (37°C)
Last update	1 Sep 4:35 pm EDT

More Information:

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

Extended Forecast for

3 Miles NNW Coatesville PA

Severe T-storm Watch until September 2, 12:00am

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until September 2, 12:00am
NOW until 12:00am Wed
Severe T-storm Watch
This Afternoon
High: 89 °F
Mostly Sunny
Tonight
Low: 69 °F
Severe
Thunderstorms
then Chance
Showers
Wednesday
High: 80 °F
Slight Chance
Showers then
Slight Chance
T-storms
Wednesday Night
Low: 68 °F
Chance
T-storms then
Showers
Likely
Thursday
High: 86 °F
Mostly Cloudy
then Chance
T-storms
Thursday Night
Low: 69 °F
Chance
T-storms then
Chance
Showers
Friday
High: 83 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 61 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 89. West wind around 5 mph.

Tonight

A chance of showers and thunderstorms, mainly before 1am. Some of the storms could be severe. Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm. Chance of precipitation is 30%.

Wednesday

A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 80. East wind around 5 mph. Chance of precipitation is 20%.

Wednesday Night

A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. West wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 61. Chance of precipitation is 30%.

Saturday

Mostly sunny, with a high near 78.

Saturday Night

Mostly clear, with a low around 59.

Sunday

Sunny, with a high near 76.

Sunday Night

Mostly clear, with a low around 58.