Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

83°F

28°C

Humidity	33%
Wind Speed	E 8 mph
Barometer	30.04 in
Dewpoint	51°F (11°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	25 Jul 3:55 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: 59 °F
Mostly Clear
Sunday
High: 85 °F
Sunny
Sunday Night
Low: 65 °F
Partly Cloudy
then Slight
Chance
T-storms
Monday
High: 84 °F
Mostly Sunny
then Showers
Likely
Monday Night
Low: 66 °F
Showers
Likely
Tuesday
High: 82 °F
Showers then
T-storms
Tuesday Night
Low: 65 °F
T-storms
Likely then
Showers
Likely
Wednesday
High: 82 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 63 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 59. East wind around 5 mph becoming calm in the evening.

Sunday

Sunny, with a high near 85. Calm wind becoming east around 5 mph.

Sunday Night

A slight chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 65. South wind around 5 mph. Chance of precipitation is 20%.

Monday

Showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 66. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

Showers, with thunderstorms also possible after 11am. High near 82. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday Night

Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Wednesday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.

Wednesday Night

A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

Thursday

Mostly sunny, with a high near 82.

Thursday Night

Mostly clear, with a low around 64.

Friday

Sunny, with a high near 85.

Friday Night

Partly cloudy, with a low around 66.