Severe Weather Expected From the South to the Midwest; Critical Fire Weather in the Southwest; Excessive Heat in Texas

Isolated to scattered severe thunderstorms are expected to develop from the southern Plains to portions of the Midwest Friday. Damaging winds and very large hail will be the primary hazards. On the drier side of the system, critical fire weather conditions will be possible across the Southwest. Meanwhile, excessive heat concerns continue to impact portions of southern Texas and Florida. Read More >

Hazardous Weather Conditions

Air Quality Alert

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

85°F

29°C

Humidity	26%
Wind Speed	NW 9 mph
Barometer	29.82 in
Dewpoint	47°F (8°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	24 May 3:35 pm EDT

More Information:

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

Extended Forecast for

King of Prussia PA

Tonight
Low: 61 °F
Mostly Clear
Saturday
High: 86 °F
Increasing
Clouds
Saturday Night
Low: 64 °F
Slight Chance
T-storms
Sunday
High: 85 °F
Partly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 64 °F
Chance
T-storms
Memorial Day
High: 78 °F
Chance
T-storms then
Heavy Rain
Monday Night
Low: 64 °F
Heavy Rain
Tuesday
High: 79 °F
Mostly Sunny
Tuesday Night
Low: 60 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 61. Northwest wind around 5 mph becoming calm.

Saturday

Increasing clouds, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.

Saturday Night

A slight chance of showers and thunderstorms between 11pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 64. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

Sunday

A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.

Sunday Night

A chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 64. Southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Memorial Day

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 78. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

Showers and possibly a thunderstorm before 2am. Some of the storms could produce heavy rainfall. Low around 64. Chance of precipitation is 80%.

Tuesday

Mostly sunny, with a high near 79.

Tuesday Night

Partly cloudy, with a low around 60.

Wednesday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 75. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 30%.

Thursday

Mostly sunny, with a high near 70.