Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Mostly Cloudy

76°F

24°C

Humidity 48%
Wind Speed SW 12 G 26 mph
Barometer 30.03 in (1016.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 13 Apr 1:54 pm EDT
Extended Forecast for

3 Miles NNE Saint Peters PA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 78. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers, mainly before 7pm.  Mostly clear, with a low around 59. Southwest wind 5 to 10 mph.  Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Southwest wind 5 to 15 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. West wind 5 to 10 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers.  Partly sunny, with a high near 80. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 78. Southwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
A chance of showers, mainly before 7pm. Mostly clear, with a low around 59. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 83. Southwest wind 5 to 15 mph.
Tuesday Night
Partly cloudy, with a low around 64. West wind 5 to 10 mph.
Wednesday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 86.
Thursday Night
Mostly cloudy, with a low around 64.
Friday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Saint Peters PA
 40.2°N 75.78°W (Elev. 499 ft)
2:29 pm EDT Apr 13, 2026
2pm EDT Apr 13, 2026-6pm EDT Apr 19, 2026
 
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Additional Resources

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