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.

Overcast

67°F

19°C

Humidity 61%
Wind Speed Vrbl 3 mph
Barometer 29.88 in (1011.3 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 21 Jun 1:54 am EDT
Extended Forecast for

Royersford PA

  • Overnight

    Overnight: Partly cloudy, with a low around 59. West wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. West wind around 5 mph becoming calm  after midnight.

    Low: 61 °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 around 5 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. 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 59.

    Low: 59 °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 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 59. West wind around 5 mph.
Sunday
Mostly sunny, with a high near 83. West wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 61. West wind around 5 mph becoming calm 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 around 5 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. 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 59.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 61. 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 62.
Saturday
Mostly sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Royersford PA
 40.2°N 75.55°W (Elev. 197 ft)
2:30 am EDT Jun 21, 2026
2am 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