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 >

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 Index76°F (24°C)
Last update 18 Aug 1:54 am EDT
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

    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.

    Showers
    Likely and
    Patchy Fog

    Low: 74 °F

  • Saturday

    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.

    Heavy Rain

    High: 88 °F

  • Saturday
    Night

    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.

    Showers
    Likely then
    Chance
    T-storms

    Low: 72 °F

  • Sunday

    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.

    Chance
    Showers then
    Chance
    T-storms

    High: 80 °F

  • Sunday
    Night

    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.

    Chance
    T-storms

    Low: 66 °F

  • Monday

    Monday: Mostly sunny, with a high near 83.

    Mostly Sunny

    High: 83 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 67.

    Partly Cloudy

    Low: 67 °F

  • Tuesday

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

    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.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
Lansdowne PA
 39.95°N 75.27°W (Elev. 102 ft)
1:34 am EDT Aug 18, 2018
3am EDT Aug 18, 2018-6pm EDT Aug 24, 2018
 
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