Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Fair

61°F

16°C

Humidity 81%
Wind Speed Calm
Barometer 29.90 in (1012.0 mb)
Dewpoint 55°F (13°C)
Visibility NA
Last update 21 Jun 5:54 am EDT
Extended Forecast for

Trappe PA

  • Today

    Today: Mostly sunny, with a high near 83. West wind 5 to 15 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. West wind around 5 mph becoming east after midnight.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall.  High near 81. East wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Heavy Rain

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 62. South wind 5 to 10 mph becoming northwest after midnight.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Heavy Rain

  • Tuesday

    Tuesday: Showers likely, mainly before 11am.  Partly sunny, with a high near 79. North wind 5 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers after 2pm.  Mostly sunny, with a high near 85. Chance of precipitation is 40%.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 83. West wind 5 to 15 mph.
Tonight
Partly cloudy, with a low around 62. West wind around 5 mph becoming east after midnight.
Monday
A chance of showers, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rainfall. High near 81. East wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 62. South wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Showers likely, mainly before 11am. Partly sunny, with a high near 79. North wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
A chance of showers after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Friday
Showers likely. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Trappe PA
 40.19°N 75.49°W (Elev. 299 ft)
4:07 am EDT Jun 21, 2026
6am EDT Jun 21, 2026-6pm EDT Jun 27, 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