Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Hazardous Weather Conditions

Flood Watch in effect from August 27, 12:00 PM EDT until August 28, 04:00 AM EDT

Current conditions at

Philadelphia, Northeast Philadelphia Airport (KPNE)

Lat: 40.08°NLon: 75.01°WElev: 118ft.

Mostly Cloudy

78°F

26°C

Humidity	76%
Wind Speed	Vrbl 7 mph
Barometer	30.02 in (1016.6 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	27 Aug 9:54 am EDT

More Information:

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

Extended Forecast for

Penndel PA

Flood Watch August 27, 12:00pm until August 28, 04:00am

Click here for hazard details and duration

Flood Watch

Today
High: 85 °F
Chance
T-storms then
Showers
Likely
Tonight
Low: 68 °F
Chance
T-storms then
Chance
Showers
Friday
High: 85 °F
Chance
Showers then
Chance
T-storms
Friday Night
Low: 66 °F
Chance
T-storms then
Mostly Cloudy
Saturday
High: 85 °F
Mostly Sunny
Saturday Night
Low: 66 °F
Partly Cloudy
Sunday
High: 87 °F
Mostly Sunny
Sunday Night
Low: 70 °F
Partly Cloudy
Monday
High: 89 °F
Mostly Sunny

Detailed Forecast

Today

A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 85. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. Calm wind becoming northwest around 5 mph. 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 thunderstorms before 8pm. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

Mostly sunny, with a high near 85. North wind around 5 mph becoming calm.

Saturday Night

Partly cloudy, with a low around 66.

Sunday

Mostly sunny, with a high near 87.

Sunday Night

Partly cloudy, with a low around 70.

Monday

Mostly sunny, with a high near 89.

Monday Night

Mostly cloudy, with a low around 70.