Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Mostly Cloudy

82°F

28°C

Humidity	72%
Wind Speed	Calm
Barometer	29.91 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	18 Aug 12:15 pm EDT

More Information:

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

Extended Forecast for

Valley Forge PA

This Afternoon
High: 87 °F
Isolated
T-storms
Tonight
Low: 65 °F
Mostly Clear
Wednesday
High: 89 °F
Patchy Fog
then Sunny
Wednesday Night
Low: 69 °F
Partly Cloudy
then Slight
Chance
Showers
Thursday
High: 85 °F
Chance
Showers then
Showers
Likely
Thursday Night
Low: 64 °F
Showers
Likely
Friday
High: 84 °F
Partly Sunny
Friday Night
Low: 65 °F
Chance
Showers
Saturday
High: 83 °F
Chance
Showers

Detailed Forecast

This Afternoon

Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Northwest wind around 5 mph. Chance of precipitation is 20%.

Tonight

Mostly clear, with a low around 65. Northwest wind around 5 mph becoming calm.

Wednesday

Patchy fog before 7am. Otherwise, sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.

Wednesday Night

A slight chance of showers after 2am. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.

Thursday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Partly sunny, with a high near 84.

Friday Night

A chance of showers after 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

Saturday

A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 50%.

Saturday Night

Showers likely, mainly before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Sunday

A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.

Sunday Night

A chance of showers. Partly cloudy, with a low around 63. Chance of precipitation is 30%.