East Coast Flash Flood/Severe Thunderstorm Threat Monday

A cold front and waves of low pressure will slowly shift across the Mid-Atlantic and Southeast states Monday and Tuesday. Heavy thunderstorms along this front may produce heavy rain and flash flooding with the highest threat Monday from Tennessee into New England. A few strong to severe thunderstorms are also possible mainly from Northern Maryland to southern New Jersey. Read More >

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Fair

75°F

24°C

Humidity 96%
Wind Speed Calm
Barometer 29.89 in (1011.5 mb)
Dewpoint 74°F (23°C)
Visibility 9.00 mi
Last update 22 Jul 7:54 am EDT
Extended Forecast for

Malvern PA

Flash Flood Watch until July 23, 08:00am
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until July 23, 08:00am

    NOW until
    8:00am Tue

    Flash Flood Watch

  • Today

    Today: Showers and thunderstorms likely, mainly after 2pm. Some storms could be severe, with damaging winds and heavy rain.  Partly sunny, with a high near 89. Northeast wind 5 to 8 mph becoming southwest in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Severe
    Thunderstorms

    High: 89 °F

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some storms could be severe, with damaging winds and heavy rain.  Low around 68. Northwest wind around 6 mph.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Severe
    Thunderstorms

    Low: 68 °F

  • Tuesday

    Tuesday: Showers likely, mainly before 2pm. The rain could be heavy at times.  Mostly cloudy, with a high near 79. North wind 6 to 8 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Heavy Rain

    High: 79 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers before 8pm.  Mostly cloudy, with a low around 63. North wind 3 to 5 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers then
    Mostly Cloudy

    Low: 63 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. North wind 5 to 7 mph.

    Mostly Sunny

    High: 82 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 62.

    Mostly Clear

    Low: 62 °F

  • Thursday

    Thursday: Sunny, with a high near 84.

    Sunny

    High: 84 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 63.

    Mostly Clear

    Low: 63 °F

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 2pm. Some storms could be severe, with damaging winds and heavy rain. Partly sunny, with a high near 89. Northeast wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and possibly a thunderstorm. Some storms could be severe, with damaging winds and heavy rain. Low around 68. Northwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Tuesday
Showers likely, mainly before 2pm. The rain could be heavy at times. Mostly cloudy, with a high near 79. North wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 63. North wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Mostly sunny, with a high near 82. North wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 87.
Click Map For Forecast
Point Forecast:
Malvern PA
 40.04°N 75.52°W (Elev. 358 ft)
6:41 am EDT Jul 22, 2019
8am EDT Jul 22, 2019-6pm EDT Jul 28, 2019
 
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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