Areas of Severe Thunderstorms and Heat This Weekend

Severe thunderstorms today may produce damaging winds, large hail, tornadoes, and flooding over parts of the Plains into the Missouri Valley. On Sunday, scattered severe thunderstorms capable of damaging wind gusts are expected across the Mid-Atlantic vicinity. Hazardous heat will continue in the South, Southwest and central California this weekend building across the Pacific Northwest Sunday. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Fair

82°F

28°C

Humidity	41%
Wind Speed	W 9 mph
Barometer	29.95 in
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	13 Jun 2:15 pm EDT

More Information:

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

Extended Forecast for

Downingtown PA

This Afternoon
High: 85 °F
Sunny
Tonight
Low: 63 °F
Partly Cloudy
Sunday
High: 87 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 60 °F
Showers
Likely
Monday
High: 76 °F
Mostly Sunny
Monday Night
Low: 55 °F
Partly Cloudy
Tuesday
High: 77 °F
Mostly Sunny
Tuesday Night
Low: 57 °F
Partly Cloudy
Wednesday
High: 79 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

This Afternoon

Sunny, with a high near 85. West wind around 5 mph.

Tonight

Partly cloudy, with a low around 63. Calm wind.

Sunday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 60. South wind around 5 mph becoming west after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Monday

Mostly sunny, with a high near 76. West wind around 10 mph.

Monday Night

Partly cloudy, with a low around 55.

Tuesday

Mostly sunny, with a high near 77.

Tuesday Night

Partly cloudy, with a low around 57.

Wednesday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.

Wednesday Night

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