Heavy Rainfall for Portions of the West and Southern Plains; Dangerous Heat for the Northwest

Monsoonal flow coinciding with a frontal boundary will focus more showers and thunderstorms across the central Great Basin, central Rockies, Southwest into the Southern Plains. Heavy rainfall may bring about instances of flash flooding. Meanwhile, record setting heat continues for the Pacific Northwest through Monday. Heat combining with dry conditions could allow for any fires to quickly spread. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

83°F

28°C

Humidity	49%
Wind Speed	S 8 mph
Barometer	29.88 in (1011.7 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	24 Aug 3:54 pm EDT

More Information:

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

Extended Forecast for

Merion Station PA

Tonight
Low: 67 °F
Mostly Cloudy
then Slight
Chance
Showers and
Patchy Fog
Monday
High: 83 °F
Patchy Fog
then Sunny
Monday Night
Low: 60 °F
Mostly Clear
Tuesday
High: 78 °F
Sunny
Tuesday Night
Low: 59 °F
Partly Cloudy
Wednesday
High: 75 °F
Sunny
Wednesday Night
Low: 56 °F
Mostly Clear
Thursday
High: 77 °F
Partly Sunny
Thursday Night
Low: 59 °F
Partly Cloudy

Detailed Forecast

Tonight

A slight chance of showers before 2am, then a slight chance of showers after 4am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 67. South wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 20%.

Monday

Patchy fog before 9am. Otherwise, sunny, with a high near 83. West wind 5 to 10 mph.

Monday Night

Mostly clear, with a low around 60. Northwest wind around 5 mph.

Tuesday

Sunny, with a high near 78. West wind 5 to 10 mph.

Tuesday Night

Partly cloudy, with a low around 59. Northwest wind around 5 mph.

Wednesday

Sunny, with a high near 75.

Wednesday Night

Mostly clear, with a low around 56.