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Deep Moisture and Active Pattern Across Much of the U.S.

An upper level low pressure system in the west may produce strong to isolated strong thunderstorms, and locally heavy rain across portions of the Intermountain West. A cold front across the central U.S. will produce widely scattered severe thunderstorms. Heavy rain; and high surf, rip currents, and coastal flooding will overspread the Gulf Coast as subtropical system Alberto moves north. Read More >

Hazardous Weather Conditions

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

85°F

29°C

Humidity 43%
Wind Speed W 9 G 22 mph
Barometer 29.86 in (1010.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 25 May 5:51 pm EDT
Extended Forecast for

Allentown PA

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 65. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.

    Mostly Clear
    then Patchy
    Fog

    Low: 65 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 89. West wind 3 to 7 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: 89 °F

  • Saturday
    Night

    Saturday Night: Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm after 11pm. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    Low: 66 °F

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Cloudy, with a high near 75. East wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely then
    T-storms
    Likely

    High: 75 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely before 2am, then scattered showers. Cloudy, with a low around 60. East wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely

    Low: 60 °F

  • Memorial
    Day

    Memorial Day: A slight chance of showers, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 77. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 77 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 62.

    Mostly Cloudy

    Low: 62 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85.

    Mostly Sunny

    High: 85 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 60.

    Partly Cloudy

    Low: 60 °F

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 65. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 21 mph.
Saturday
A chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 89. West wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm after 11pm. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Cloudy, with a high near 75. East wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely before 2am, then scattered showers. Cloudy, with a low around 60. East wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Memorial Day
A slight chance of showers, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 77. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Partly sunny, with a high near 79.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Allentown PA
 40.59°N 75.47°W (Elev. 299 ft)
Last Update:
6:12 pm EDT May 25, 2018
Forecast Valid:
6pm EDT May 25, 2018-6pm EDT Jun 1, 2018
 
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Additional Resources

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High Temperature

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Chance of Precipitation