Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. through Thursday, focused from the central High Plains to the Mid-Mississippi Valley. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, and dry thunderstorms may spark additional wildfires. Dangerous heat will build across the southern U.S. Friday into the weekend. Read More >

Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

Fair

60°F

16°C

Humidity	89%
Wind Speed	W 5 mph
Barometer	30.04 in
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	25 Jun 3:55 am EDT

More Information:

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

Extended Forecast for

Downingtown PA

Today
High: 84 °F
Mostly Sunny
Tonight
Low: 63 °F
Chance
T-storms
Friday
High: 83 °F
Partly Sunny
then Chance
Showers
Friday Night
Low: 64 °F
Showers
Saturday
High: 79 °F
Showers
Saturday Night
Low: 63 °F
Chance
Showers
Sunday
High: 84 °F
Mostly Sunny
Sunday Night
Low: 63 °F
Partly Cloudy
Monday
High: 86 °F
Mostly Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 84. Light and variable wind becoming south 5 to 10 mph in the morning.

Tonight

A chance of showers and thunderstorms between 10pm and 3am. Increasing clouds, with a low around 63. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 64. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Showers, with thunderstorms also possible after 2pm. High near 79. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Saturday Night

A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Mostly sunny, with a high near 84.

Sunday Night

Partly cloudy, with a low around 63.

Monday

Mostly sunny, with a high near 86.

Monday Night

Partly cloudy, with a low around 65.

Tuesday

Mostly sunny, with a high near 91.

Tuesday Night

Partly cloudy, with a low around 68.