Heavy Rainfall Threat The Across The Eastern U.S.

A strong cold front will gradually push through the Eastern U.S. over the next couple of days and will bring heavy rain and severe weather, primarily damaging winds . Excessive rainfall may result in flash flooding in the central Great Lakes and central Appalachians. Flash flood watches are currently in effect from the coastal Carolinas to the Great Lakes. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Partly Cloudy

69°F

21°C

Humidity 88%
Wind Speed E 5 mph
Barometer 30.25 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 21 Sep 8:55 pm EDT
Extended Forecast for

Lansdale PA

  • Tonight

    Tonight: A slight chance of showers after 2am.  Patchy fog before 3am, then patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 65. East wind around 5 mph.  Chance of precipitation is 20%.

    Mostly Cloudy
    then Slight
    Chance
    Showers and
    Patchy Fog

    Low: 65 °F

  • Wednesday

    Wednesday: A slight chance of showers before 8am, then a chance of showers after 9am.  Mostly cloudy, with a high near 81. Southeast wind 5 to 15 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    High: 81 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Southeast wind around 10 mph.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers

    Low: 66 °F

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall.  High near 74. Southeast wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Heavy Rain

    High: 74 °F

  • Thursday
    Night

    Thursday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rainfall.  Low around 55. South wind around 5 mph becoming northwest after midnight.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Heavy Rain

    Low: 55 °F

  • Friday

    Friday: A chance of showers before 2pm.  Mostly sunny, with a high near 71. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    High: 71 °F

  • Friday
    Night

    Friday Night: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 52.

    Partly Cloudy
    then Patchy
    Fog

    Low: 52 °F

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 73.

    Patchy Fog
    then Mostly
    Sunny

    High: 73 °F

  • Saturday
    Night

    Saturday Night: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 56.

    Partly Cloudy
    then Patchy
    Fog

    Low: 56 °F

Detailed Forecast

Tonight
A slight chance of showers after 2am. Patchy fog before 3am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 65. East wind around 5 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers before 8am, then a chance of showers after 9am. Mostly cloudy, with a high near 81. Southeast wind 5 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 74. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 55. South wind around 5 mph becoming northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday
A chance of showers before 2pm. Mostly sunny, with a high near 71. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 73.
Saturday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 56.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 75.
Click Map For Forecast
Point Forecast:
Lansdale PA
 40.24°N 75.28°W (Elev. 387 ft)
8:31 pm EDT Sep 21, 2021
9pm EDT Sep 21, 2021-6pm EDT Sep 28, 2021
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database