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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Overcast

76°F

24°C

Humidity 77%
Wind Speed Calm
Barometer 30.18 in (1021.3 mb)
Dewpoint 68°F (20°C)
Visibility NA
Heat Index77°F (25°C)
Last update 16 Aug 1:54 am EDT
Extended Forecast for

Stowe PA

  • Overnight

    Overnight: A slight chance of showers after 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 88. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.

    High: 88 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Sunny then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 68. West wind around 5 mph becoming north after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 30%.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

Overnight
A slight chance of showers after 3am. Patchy fog. Otherwise, mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 20%.
Saturday
A slight chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 88. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 67. Calm wind.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 68. West wind around 5 mph becoming north after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Stowe PA
 40.26°N 75.68°W (Elev. 285 ft)
Last Update:
7:27 pm EDT Aug 15, 2025
Forecast Valid:
2am EDT Aug 16, 2025-6pm EDT Aug 22, 2025
 
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