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

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

70°F

21°C

Humidity 71%
Wind Speed W 3 mph
Barometer 29.97 in (1014.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 24 Jul 2:51 am EDT
Extended Forecast for

Allentown PA

Heat Advisory July 25, 11:00am until July 25, 06:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 66. Calm wind.

    Mostly Clear

    Low: 66 °F

  • Sunday

    Sunday: Sunny, with a high near 93. Calm wind becoming west 5 to 7 mph in the afternoon.

    Sunny

    High: 93 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 71. Light south wind.

    Partly Cloudy

    Low: 71 °F

  • Monday

    Monday: A chance of showers and thunderstorms.  Partly sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming west 5 to 8 mph in the morning.  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: 96 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm  in the evening.  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: 73 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94.

    Mostly Sunny

    High: 94 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 70.

    Mostly Clear

    Low: 70 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 93.

    Mostly Sunny

    High: 93 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 70.

    Partly Cloudy

    Low: 70 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 66. Calm wind.
Sunday
Sunny, with a high near 93. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 71. Light south wind.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 40%. 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, mainly before 2am. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm in the evening. 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 94.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 70.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 68.
Saturday
Mostly cloudy, with a high near 85.
Click Map For Forecast
Point Forecast:
Allentown PA
 40.59°N 75.47°W (Elev. 299 ft)
12:35 am EDT Jul 24, 2016
2am EDT Jul 24, 2016-6pm EDT Jul 30, 2016
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database