Isaias to Bring Tropical Impacts Across to the East Coast

Isaias is forecast to make landfall tonight in the Carolinas with dangerous storm surge, flash flooding, damaging winds, and isolated tropical tornadoes. Isaias may strengthen briefly prior to landfall, but the impacts will be the same regardless of the categorical definition. Isaias impacts will be felt all along the East Coast as Isaias moves northward through mid-week. Read More >

Current conditions at

Allentown Queen City Municipal Airport (KXLL)

Lat: 40.57°NLon: 75.49°WElev: 400ft.

Partly Cloudy

82°F

28°C

Humidity 62%
Wind Speed SW 3 mph
Barometer 30.04 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 3 Aug 5:55 pm EDT
Extended Forecast for

Allentown PA

Flash Flood Watch August 3, 10:00pm until August 5, 12:00am
Click here for hazard details and duration
Flash Flood Watch
  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Some of the storms could produce heavy rainfall.  Low around 71. Southwest wind around 5 mph becoming calm.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    Low: 71 °F

  • Tuesday

    Tuesday: Tropical storm conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  High near 76. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.

    Tropical
    Storm
    Conditions
    Possible

    High: 76 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 66. Southwest wind 5 to 15 mph.  Chance of precipitation is 50%. New rainfall amounts between 1 and 2 inches possible.

    Chance
    T-storms

    Low: 66 °F

  • Wednesday

    Wednesday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm.  Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 85 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 63. Calm wind.

    Partly Cloudy

    Low: 63 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 84.

    Mostly Sunny

    High: 84 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

    Chance
    T-storms

    Low: 64 °F

  • Friday

    Friday: A chance of showers and thunderstorms.  Partly sunny, with a high near 83. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 83 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 66.

    Mostly Cloudy

    Low: 66 °F

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Some of the storms could produce heavy rainfall. Low around 71. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Tropical storm conditions possible. Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 76. Chance of precipitation is 100%. New rainfall amounts between 3 and 4 inches possible.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Southwest wind 5 to 15 mph. Chance of precipitation is 50%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 2pm. Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 63. Calm wind.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 66.
Saturday
Partly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 68.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Allentown PA
 40.59°N 75.47°W (Elev. 299 ft)
5:40 pm EDT Aug 3, 2020
6pm EDT Aug 3, 2020-6pm EDT Aug 10, 2020
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database