Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Mostly Cloudy

73°F

23°C

Humidity	69%
Wind Speed	NW 8 mph
Barometer	30.06 in
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Last update	25 Aug 11:55 am EDT

More Information:

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

Extended Forecast for

3 Miles NE Chatham PA

This Afternoon
High: 79 °F
Mostly Sunny
Tonight
Low: 59 °F
Mostly Clear
Wednesday
High: 83 °F
Mostly Sunny
Wednesday Night
Low: 64 °F
Slight Chance
Showers then
Showers
Likely
Thursday
High: 81 °F
Showers
Thursday Night
Low: 64 °F
Showers
Friday
High: 82 °F
Chance
Showers then
Chance
T-storms
Friday Night
Low: 63 °F
Chance
T-storms then
Mostly Cloudy
Saturday
High: 80 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 79. Northwest wind around 10 mph.

Tonight

Mostly clear, with a low around 59. Calm wind.

Wednesday

Mostly sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon.

Wednesday Night

A slight chance of showers, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 64. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers and possibly a thunderstorm. High near 81. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 64. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 40%.

Friday Night

A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

Saturday

Mostly sunny, with a high near 80.

Saturday Night

Partly cloudy, with a low around 62.

Sunday

Mostly sunny, with a high near 82.

Sunday Night

Partly cloudy, with a low around 66.

Monday

Mostly sunny, with a high near 85.