National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Flash Flooding and Severe Thunderstorms Tuesday, July 28th - Wednesday, July 29th

Scattered to numerous thunderstorms are likely across the region Tuesday, July 28th through Wednesday, July 29th which will bring a risk of flash flooding and severe thunderstorms across the entire region. View this briefing for the details regarding these hazards. Read More >

Hazardous Weather Conditions

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 29.75 in (1006.9 mb)
Dewpoint 70°F (21°C)
Visibility 3.00 mi
Last update 28 Jul 4:54 am EDT
Extended Forecast for

Paoli PA

Flood Watch July 28, 08:00am until July 29, 02:00pm
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. High near 80. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 80 °F

    Showers
    Likely then
    Heavy Rain

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Some of the storms could produce heavy rainfall. Low around 64. South wind around 5 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 64 °F

    Heavy Rain
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 80. West wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 8pm, then a chance of showers. Mostly cloudy, with a low around 64. West wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 80 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 5 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. High near 80. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Tuesday Night
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Some of the storms could produce heavy rainfall. Low around 64. South wind around 5 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 80. West wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 8pm, then a chance of showers. Mostly cloudy, with a low around 64. West wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Paoli PA
 40.04°N 75.52°W (Elev. 358 ft)
Last Update:
4:08 am EDT Jul 28, 2026
Forecast Valid:
5am EDT Jul 28, 2026-6pm EDT Aug 3, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation