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Severe Thunderstorms With Heavy Rain from Great Lakes to Mid-Atlantic; Excessive Heat For Central/Southern U.S. to Mid-Atlantic

Severe thunderstorms are possible today into Sunday across the upper Great Lakes region to the northern Mid-Atlantic. Damaging winds, large hail, and flooding will be the primary threats with these storms. Meanwhile, dangerous heat will continue through Sunday across the central and southern U.S. into the Mid-Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

72°F

22°C

Humidity 100%
Wind Speed E 3 mph
Barometer 29.76 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 22 Jul 7:35 pm EDT
Extended Forecast for

King of Prussia PA

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 1am. Some storms could be severe, with damaging winds and heavy rain.  Low around 73. South wind 5 to 7 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Severe
    Thunderstorms

    Low: 73 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after noon.  Mostly cloudy, with a high near 87. North wind 3 to 6 mph.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 87 °F

  • Sunday
    Night

    Sunday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    Low: 71 °F

  • Monday

    Monday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 88 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. Light north wind.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 69 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    Mostly Sunny

    High: 82 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 65.

    Partly Cloudy

    Low: 65 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    Mostly Sunny

    High: 84 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 69.

    Partly Cloudy

    Low: 69 °F

Detailed Forecast

Tonight
Showers and thunderstorms, mainly before 1am. Some storms could be severe, with damaging winds and heavy rain. Low around 73. South wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 87. North wind 3 to 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 88. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Light north wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 85.
Click Map For Forecast
Point Forecast:
King of Prussia PA
 40.09°N 75.39°W (Elev. 197 ft)
6:51 pm EDT Jul 22, 2017
7pm EDT Jul 22, 2017-6pm EDT Jul 29, 2017
 
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