Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

76°F

24°C

Humidity	38%
Wind Speed	Calm
Barometer	30.25 in
Dewpoint	49°F (9°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	29 Aug 1:55 pm EDT

More Information:

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

Extended Forecast for

King of Prussia PA

This Afternoon
High: 81 °F
Sunny
Tonight
Low: 59 °F
Clear then
Patchy Fog
Sunday
High: 87 °F
Patchy Fog
then Chance
T-storms
Sunday Night
Low: 68 °F
Chance
Showers then
Slight Chance
T-storms
Monday
High: 86 °F
Partly Sunny
then Slight
Chance
Showers
Monday Night
Low: 68 °F
Chance
Showers
Tuesday
High: 88 °F
Partly Sunny
then Chance
Showers
Tuesday Night
Low: 70 °F
Chance
Showers
Wednesday
High: 89 °F
Partly Sunny
then Chance
Showers

Detailed Forecast

This Afternoon

Sunny, with a high near 81. North wind around 5 mph becoming calm.

Tonight

Patchy fog after 1am. Otherwise, mostly clear, with a low around 59. Calm wind.

Sunday

A chance of showers and thunderstorms, mainly after 4pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 87. Light southwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 30%.

Sunday Night

A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm. Chance of precipitation is 30%.

Monday

A slight chance of showers after 2pm. Partly sunny, with a high near 86. Calm wind becoming northwest around 5 mph. Chance of precipitation is 20%.

Monday Night

A chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

A chance of showers after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.

Tuesday Night

A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

Wednesday

A chance of showers after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 30%.

Wednesday Night

A chance of showers before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.

Thursday

A chance of showers. Partly sunny, with a high near 88. Chance of precipitation is 40%.

Thursday Night

A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.