Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend. Read More >

Current conditions at

Philadelphia, Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 302ft.

Fair

68°F

20°C

Humidity 94%
Wind Speed Calm
Barometer 29.88 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 23 Jul 4:55 am EDT
Extended Forecast for

Valley Forge PA

Excessive Heat Warning July 23, 11:00am until July 25, 06:00pm
Click here for hazard details and duration
Excessive Heat Warning
  • Today

    Today: Mostly sunny, with a high near 96. Light northwest wind becoming west 8 to 13 mph in the morning.

    Mostly Sunny

    High: 96 °F

  • Tonight

    Tonight: Mostly clear, with a low around 68. West wind 5 to 7 mph becoming calm  in the evening.

    Mostly Clear

    Low: 68 °F

  • Sunday

    Sunday: Sunny, with a high near 94. Light and variable wind.

    Sunny

    High: 94 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 73. Calm wind becoming southwest around 5 mph after midnight.

    Partly Cloudy

    Low: 73 °F

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 2pm.  Partly sunny and hot, with a high near 97. Calm wind becoming southwest 5 to 9 mph in the morning.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 97 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 77. 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: 77 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95.

    Mostly Sunny

    High: 95 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 73.

    Mostly Clear

    Low: 73 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 94.

    Mostly Sunny

    High: 94 °F

Detailed Forecast

Today
Mostly sunny, with a high near 96. Light northwest wind becoming west 8 to 13 mph in the morning.
Tonight
Mostly clear, with a low around 68. West wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny, with a high near 94. Light and variable wind.
Sunday Night
Partly cloudy, with a low around 73. Calm wind becoming southwest around 5 mph after midnight.
Monday
A chance of showers and thunderstorms, mainly after 2pm. Partly sunny and hot, with a high near 97. Calm wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 77. 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 95.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Mostly sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 92. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 72.
Friday
Partly sunny, with a high near 90.
Click Map For Forecast
Point Forecast:
Valley Forge PA
 40.1°N 75.45°W (Elev. 200 ft)
3:35 am EDT Jul 23, 2016
5am EDT Jul 23, 2016-6pm EDT Jul 29, 2016
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database