Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

81°F

27°C

Humidity	58%
Wind Speed	Calm
Barometer	30.08 in (1018.5 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	31 Aug 4:54 pm EDT

More Information:

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

Extended Forecast for

Concordville PA

This Afternoon
High: 83 °F
Isolated
Showers
Tonight
Low: 70 °F
Slight Chance
T-storms
Tuesday
High: 89 °F
Slight Chance
T-storms
Tuesday Night
Low: 71 °F
Chance
T-storms
Wednesday
High: 86 °F
Chance
Showers
Wednesday Night
Low: 71 °F
Chance
T-storms
Thursday
High: 89 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 72 °F
Chance
T-storms
Friday
High: 85 °F
Partly Sunny

Detailed Forecast

This Afternoon

Isolated showers. Partly sunny, with a high near 83. Southeast wind around 5 mph. Chance of precipitation is 20%.

Tonight

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind around 5 mph. Chance of precipitation is 20%.

Tuesday

A slight chance of showers and thunderstorms after 11am. Partly sunny, with a high near 89. West wind around 5 mph. Chance of precipitation is 20%.

Tuesday Night

A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 71. Calm wind becoming east around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

A chance of showers and thunderstorms before 2pm, then a chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 86. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 30%.

Thursday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.

Friday

Partly sunny, with a high near 85.

Friday Night

Partly cloudy, with a low around 65.

Saturday

Sunny, with a high near 80.

Saturday Night

Mostly clear, with a low around 60.