Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Malvern PA

Flash Flood Warning until August 17, 03:30am
Click here for hazard details and duration
Flash Flood Warning
  •  
    Flash Flood Warning until August 17, 03:30am

    NOW until 3:30am Mon

    Flash Flood Warning

  • Overnight

    Low: 66 °F

    Showers

  • Monday

    Monday: A chance of showers before 8am, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 86. West wind around 5 mph.  Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 67. Northwest wind around 5 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85. North wind around 5 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. West wind around 5 mph becoming calm.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

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

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 8am.  Partly sunny, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm, then showers after 2am. Low around 66. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers before 8am, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 86. West wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 67. Northwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 85. North wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 65. West wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Partly sunny, with a high near 82.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Malvern PA
 40.04°N 75.52°W (Elev. 358 ft)
4:09 pm EDT Aug 16, 2026
12am EDT Aug 17, 2026-6pm EDT Aug 23, 2026
 
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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