Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into Ohio/Tennessee Valleys; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will be possible from the Lower Mississippi Valley into parts of the Ohio/Tennessee Valleys. Elevated to Critical Fire weather threats will persist across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina. Read More >

Hazardous Weather Conditions

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Overcast

59°F

15°C

Humidity 96%
Wind Speed Calm
Barometer 30.25 in (1024.2 mb)
Dewpoint 58°F (14°C)
Visibility 9.00 mi
Last update 23 Sep 1:54 pm EDT
Extended Forecast for

Collegeville PA

  • This
    Afternoon

    This Afternoon: Rain likely.  Cloudy, with a high near 64. Northeast wind around 5 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain Likely

    High: 64 °F

  • Tonight

    Tonight: A chance of rain, mainly before 3am.  Mostly cloudy, with a low around 56. Light northeast wind.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Chance Rain

    Low: 56 °F

  • Monday

    Monday: A chance of rain, mainly after 2pm.  Partly sunny, with a high near 66. Northeast wind 7 to 13 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Chance Rain

    High: 66 °F

  • Monday
    Night

    Monday Night: Rain, mainly after 8pm.  Low around 59. East wind 11 to 13 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Rain

    Low: 59 °F

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm.  High near 72. Southeast wind 7 to 9 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Showers

    High: 72 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms.  Cloudy, with a low around 68. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers

    Low: 68 °F

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm.  Mostly cloudy, with a high near 81. Chance of precipitation is 50%.

    Chance
    Showers then
    Chance
    T-storms

    High: 81 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 62. Chance of precipitation is 50%.

    Chance
    T-storms then
    Chance
    Showers

    Low: 62 °F

  • Thursday

    Thursday: A chance of showers.  Partly sunny, with a high near 72. Chance of precipitation is 30%.

    Chance
    Showers

    High: 72 °F

Detailed Forecast

This Afternoon
Rain likely. Cloudy, with a high near 64. Northeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A chance of rain, mainly before 3am. Mostly cloudy, with a low around 56. Light northeast wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A chance of rain, mainly after 2pm. Partly sunny, with a high near 66. Northeast wind 7 to 13 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain, mainly after 8pm. Low around 59. East wind 11 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Showers and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. High near 72. Southeast wind 7 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers and thunderstorms. Cloudy, with a low around 68. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 70.
Click Map For Forecast
Point Forecast:
Collegeville PA
 40.17°N 75.46°W (Elev. 98 ft)
12:38 pm EDT Sep 23, 2018
2pm EDT Sep 23, 2018-6pm EDT Sep 29, 2018
 
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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