Severe Thunderstorms in the Ohio and Tennessee Valleys; Flash Flooding Possible in the Southwest

Scattered damaging winds, isolated severe hail, and a brief tornado or two are possible from the Upper Ohio to Tennessee Valleys during the late afternoon and evening. Across the Southwest, monsoonal moisture will continue to bring heavy rain and a threat for isolated to scattered flash flooding through Saturday. Read More >

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Fair

84°F

29°C

Humidity	46%
Wind Speed	SW 9 G 17 mph
Barometer	29.92 in (1012.6 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	5 Sep 4:54 pm EDT

More Information:

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

Extended Forecast for

Harleysville PA

Tonight
Low: 66 °F
Partly Cloudy
Saturday
High: 85 °F
Partly Sunny
then T-storms
Likely
Saturday Night
Low: 57 °F
Severe
Thunderstorms
then Showers
Likely
Sunday
High: 73 °F
Chance
Showers
Sunday Night
Low: 49 °F
Mostly Clear
Monday
High: 74 °F
Sunny
Monday Night
Low: 49 °F
Mostly Clear
Tuesday
High: 75 °F
Sunny
Tuesday Night
Low: 52 °F
Partly Cloudy

Detailed Forecast

Tonight

Partly cloudy, with a low around 66. South wind 5 to 15 mph.

Saturday

Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 85. West wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could be severe. Cloudy, with a low around 57. Northwest wind 5 to 10 mph becoming light northeast. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

A chance of showers, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 73. West wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night

Mostly clear, with a low around 49. West wind around 5 mph becoming calm.

Monday

Sunny, with a high near 74.

Monday Night

Mostly clear, with a low around 49.

Tuesday

Sunny, with a high near 75.

Tuesday Night

Partly cloudy, with a low around 52.

Wednesday

Partly sunny, with a high near 73.