Severe Weather in the Northeast; Intense Heat in the Mid-Atlantic and Portions of the West

Severe thunderstorms and heavy rainfall are likely across portions of the Northeast. An intense heat wave will continue across the Mid-Atlantic, where record high temperatures are likely. In the West, triple-digit high temperatures are possible in central and southern California, Arizona, and Utah. Monsoon-like conditions may produce isolated flash flooding in the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Fair

81°F

27°C

Humidity	66%
Wind Speed	SW 7 mph
Barometer	29.67 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	23 Jun 6:15 pm EDT

More Information:

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

Extended Forecast for

Exton PA

Severe T-storm Watch June 23, 06:23pm until June 23, 10:00pm

Excessive Heat Warning June 23, 06:23pm until June 23, 08:00pm

Click here for hazard details and duration

...

Severe T-storm Watch June 23, 06:23pm until June 23, 10:00pm
Excessive Heat Warning June 23, 06:23pm until June 23, 08:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 71 °F
Severe
Thunderstorms
Monday
High: 81 °F
Sunny
Monday Night
Low: 63 °F
Mostly Clear
Tuesday
High: 89 °F
Sunny
Tuesday Night
Low: 70 °F
Partly Cloudy
Wednesday
High: 95 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 69 °F
T-storms
Likely
Thursday
High: 86 °F
Chance
T-storms then
Mostly Sunny

Detailed Forecast

Tonight

Showers and thunderstorms likely, mainly before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 71. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

Sunny, with a high near 81. West wind around 15 mph, with gusts as high as 25 mph.

Monday Night

Mostly clear, with a low around 63. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Tuesday

Sunny, with a high near 89. Northwest wind around 5 mph.

Tuesday Night

Partly cloudy, with a low around 70. South wind around 5 mph.

Wednesday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.

Thursday

A chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

Thursday Night

Mostly clear, with a low around 61.

Friday

Sunny, with a high near 86.

Friday Night

Partly cloudy, with a low around 64.

Saturday

Partly sunny, with a high near 87.