Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

A Few Clouds

83°F

28°C

Humidity 49%
Wind Speed W 9 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 19 Aug 5:51 pm EDT
Extended Forecast for

2 Miles S Allentown Lehigh Valley International Airport PA

  • Tonight

    Tonight: Mostly clear, with a low around 66. West wind around 5 mph becoming calm  in the evening.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Showers and possibly a thunderstorm.  High near 77. Calm wind.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 11pm.  Mostly cloudy, with a low around 61. Calm wind.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80. Calm wind becoming northeast around 5 mph.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers.  Mostly cloudy, with a low around 63. Calm wind.  Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 79. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 66. West wind around 5 mph becoming calm in the evening.
Thursday
Showers and possibly a thunderstorm. High near 77. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 80. Calm wind becoming northeast around 5 mph.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 20%.
Saturday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 61. Chance of precipitation is 30%.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
A chance of showers. Mostly sunny, with a high near 81. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Allentown Lehigh Valley International Airport PA
 40.63°N 75.43°W (Elev. 364 ft)
5:02 pm EDT Aug 19, 2026
6pm EDT Aug 19, 2026-6pm EDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database