Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Overcast

59°F

15°C

Humidity 93%
Wind Speed Vrbl 3 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 57°F (14°C)
Visibility 8.00 mi
Last update 15 Jun 8:54 am EDT
Extended Forecast for

3 Miles NNE Saint Peters PA

  • Today

    Today: A chance of showers, with thunderstorms also possible after 5pm.  Patchy fog between 1pm and 2pm.  Otherwise, cloudy, with a high near 66. East wind around 5 mph.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 57. East wind around 5 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm.  Cloudy, with a high near 67. East wind around 5 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 2am.  Mostly cloudy, with a low around 60. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after 2pm.  Mostly cloudy, with a high near 74. Southeast wind around 5 mph.  Chance of precipitation is 30%.

    High: 74 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am.  Cloudy, with a low around 65. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers before 8am, then a chance of showers after 2pm.  Partly sunny, with a high near 85. Chance of precipitation is 40%.

    High: 85 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Showers likely after 2pm.  Mostly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 5pm. Patchy fog between 1pm and 2pm. Otherwise, cloudy, with a high near 66. East wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. East wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 67. East wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 60. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Tuesday
A chance of showers after 2pm. Mostly cloudy, with a high near 74. Southeast wind around 5 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Cloudy, with a low around 65. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Juneteenth
Showers likely after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Thursday Night
Showers likely before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 60%.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Saint Peters PA
 40.18°N 75.78°W (Elev. 591 ft)
4:11 am EDT Jun 15, 2025
9am EDT Jun 15, 2025-6pm EDT Jun 21, 2025
 
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Additional Resources

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Hourly Weather Forecast

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