Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

Philadelphia, Northeast Philadelphia Airport (KPNE)

Lat: 40.08°NLon: 75.01°WElev: 118ft.

Overcast

83°F

28°C

Humidity	67%
Wind Speed	NW 6 mph
Barometer	29.87 in (1011.5 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	18 Aug 2:54 pm EDT

More Information:

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

Extended Forecast for

Cornwells PA

This Afternoon
High: 87 °F
Isolated
T-storms
Tonight
Low: 68 °F
Slight Chance
T-storms then
Partly Cloudy
Wednesday
High: 88 °F
Sunny
Wednesday Night
Low: 71 °F
Partly Cloudy
Thursday
High: 85 °F
Mostly Sunny
then Showers
Likely
Thursday Night
Low: 67 °F
Showers
Likely
Friday
High: 84 °F
Mostly Sunny
Friday Night
Low: 67 °F
Chance
Showers
Saturday
High: 83 °F
Showers
Likely

Detailed Forecast

This Afternoon

Isolated showers and thunderstorms. Partly sunny, with a high near 87. North wind around 5 mph. Chance of precipitation is 20%.

Tonight

Isolated showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 20%.

Wednesday

Sunny, with a high near 88. Light west wind increasing to 5 to 10 mph in the afternoon.

Wednesday Night

Partly cloudy, with a low around 71. Calm wind.

Thursday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Calm wind becoming northwest 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 Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Mostly sunny, with a high near 84.

Friday Night

A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.

Saturday

Showers likely, mainly after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 60%.

Saturday Night

Showers likely, mainly before 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.

Sunday Night

A chance of thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.