Showers and Storms in the East; Dangerously Hot and Dry in the West

A frontal boundary will bring scattered showers and storms to portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Intermountain West and expand into the Central U.S. by early next week. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in the Northwest. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from August 6, 10:00 AM EDT until August 7, 08:00 PM EDT

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

N/A

Humidity	NA
Wind Speed	NA
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	* Not a current observation *

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Collegeville PA

Heat Advisory August 6, 10:00am until August 7, 08:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 91 °F
Patchy Fog
then Heavy
Rain
Tonight
Low: 73 °F
Heavy Rain
then Slight
Chance
T-storms and
Patchy Fog
Friday
High: 90 °F
Patchy Fog
then Chance
T-storms
Friday Night
Low: 72 °F
Showers
Likely
Saturday
High: 90 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 71 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 90 °F
Sunny
Sunday Night
Low: 70 °F
Mostly Clear
Monday
High: 91 °F
Mostly Sunny

Detailed Forecast

Today

A chance of showers and thunderstorms, mainly after 3pm. Some of the storms could produce heavy rainfall. Patchy fog before 10am. Otherwise, partly sunny, with a high near 91. Heat index values as high as 102. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms, mainly before 11pm. Some of the storms could produce heavy rainfall. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers and thunderstorms after 2pm. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 2am. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Light southwest wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 71. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Sunny, with a high near 90.

Sunday Night

Mostly clear, with a low around 70.

Monday

Mostly sunny, with a high near 91.

Monday Night

A chance of showers before 2am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

Tuesday

A chance of showers. Mostly sunny, with a high near 92. Chance of precipitation is 40%.

Tuesday Night

A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.