Strong to Severe Thunderstorms for Portions of the Midwest into the Great Lakes; Dangerous Heat for Midwest into Mid-Atlantic

Severe thunderstorms and heavy rain will be possible primarily across the Great Lakes region and portions of the Midwest. Dangerous heat will affect the Midwest into the Mid-Atlantic where several new high records are forecast. Monsoonal moisture may produce heavy rainfall and isolated flash flooding in the Southwest and Southern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Fair

63°F

17°C

Humidity	87%
Wind Speed	Calm
Barometer	30.12 in (1019.5 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Last update	27 Aug 2:54 am EDT

More Information:

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

Extended Forecast for

Phoenixville PA

Excessive Heat Watch August 28, 12:00pm until August 28, 08:00pm

Click here for hazard details and duration

Excessive Heat Watch

Overnight
Low: 65 °F
Patchy Fog
Tuesday
High: 90 °F
Patchy Fog
then Sunny
Tuesday Night
Low: 70 °F
Mostly Clear
Wednesday
High: 96 °F
Mostly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 71 °F
Chance
T-storms
Thursday
High: 84 °F
Chance
T-storms
Thursday Night
Low: 63 °F
Chance
T-storms
Friday
High: 76 °F
Partly Sunny
Friday Night
Low: 65 °F
Mostly Cloudy
then Chance
Showers

Detailed Forecast

Overnight

Patchy fog. Otherwise, mostly clear, with a low around 65. Calm wind.

Tuesday

Patchy fog before 8am. Otherwise, sunny, with a high near 90. Calm wind.

Tuesday Night

Mostly clear, with a low around 70. Calm wind becoming south around 5 mph after midnight.

Wednesday

A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Heat index values as high as 104. Southwest wind around 5 mph. Chance of precipitation is 20%.

Wednesday Night

A chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 71. West wind around 5 mph becoming calm. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

Friday

Partly sunny, with a high near 76.

Friday Night

A chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

Saturday

A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

Sunday

Mostly sunny, with a high near 84.

Sunday Night

Partly cloudy, with a low around 63.

Labor Day

Mostly sunny, with a high near 82.