Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Mostly Cloudy

74°F

23°C

Humidity 43%
Wind Speed W 5 mph
Barometer 29.96 in (1014.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 26 Jul 9:51 am EDT
Extended Forecast for

Allentown PA

  • Today

    Today: Sunny, with a high near 84. Calm wind.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Isolated showers and thunderstorms before 11pm.  Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 63. Calm wind.  Chance of precipitation is 20%.

    Low: 63 °F

    Isolated
    T-storms then
    Patchy Fog

  • Monday

    Monday: Scattered showers and thunderstorms after 2pm.  Patchy fog before 8am.  Otherwise, increasing clouds, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Patchy Fog
    then
    Scattered
    T-storms

  • Monday Night

    Monday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Scattered
    T-storms

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am. Some of the storms could produce heavy rainfall.  High near 79. South wind around 5 mph.  Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 79 °F

    Showers then
    Heavy Rain

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Some of the storms could produce heavy rainfall.  Low around 64. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 64 °F

    Heavy Rain
    then Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 79. Chance of precipitation is 70%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 84. Calm wind.
Tonight
Isolated showers and thunderstorms before 11pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.
Monday
Scattered showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers, with thunderstorms also possible after 11am. Some of the storms could produce heavy rainfall. High near 79. South wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Some of the storms could produce heavy rainfall. Low around 64. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Thursday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
Sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 65.
Saturday
A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Allentown PA
 40.59°N 75.47°W (Elev. 299 ft)
6:58 am EDT Jul 26, 2026
10am EDT Jul 26, 2026-6pm EDT Aug 1, 2026
 
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Additional Resources

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Hourly Weather Forecast

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