Heavy Rain In The Plains; Poor Air Quality Out West

A slow moving weather system in the central U.S. will bring locally heavy rain to much of the Plains this weekend. Isolated flash flooding is possible in this area. Meanwhile, smoke from ongoing wildfires will continue to cause poor air quality across much of the interior West, although fire weather conditions are generally improving in this region. Read More >

Hazardous Weather Conditions

Flood Advisory until August 18, 05:00 AM EDT

En Español

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Light Rain

76°F

24°C

Humidity	88%
Wind Speed	W 12 mph
Barometer	29.94 in (1013.9 mb)
Dewpoint	72°F (22°C)
Visibility	8.00 mi
Heat Index	76°F (24°C)
Last update	18 Aug 1:54 am EDT

More Information:

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

Extended Forecast for

Lansdowne PA

Flood Advisory until August 18, 05:00am

Click here for hazard details and duration

Flood Advisory

Flood Advisory until August 18, 05:00am

NOW until
5:00am Sat

Flood Advisory
Overnight

Showers
Likely and
Patchy Fog
Low: 74 °F
Saturday

Heavy Rain
High: 88 °F
Saturday
Night

Showers
Likely then
Chance
T-storms
Low: 72 °F
Sunday

Chance
Showers then
Chance
T-storms
High: 80 °F
Sunday
Night

Chance
T-storms
Low: 66 °F
Monday

Mostly Sunny
High: 83 °F
Monday
Night

Partly Cloudy
Low: 67 °F
Tuesday

Partly Sunny
then Chance
Showers
High: 85 °F

Detailed Forecast

Overnight

Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms, mainly between 4am and 5am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 74. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 88. West wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers likely and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms after 9pm. Mostly cloudy, with a low around 72. West wind around 6 mph becoming north after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Northeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 66. Northeast wind 5 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

Mostly sunny, with a high near 83.

Monday Night

Partly cloudy, with a low around 67.

Tuesday

A chance of showers after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.

Tuesday Night

A chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.

Wednesday

A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.

Wednesday Night

Partly cloudy, with a low around 65.