Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

77°F

25°C

Humidity 54%
Wind Speed NE 6 mph
Barometer 30.05 in (1017.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 21 Aug 5:51 pm EDT
Extended Forecast for

Whitehall PA

  • Tonight

    Tonight: Increasing clouds, with a low around 61. Calm wind.

    Low: 61 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of showers, mainly after 5pm.  Cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 78 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am.  Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 2pm.  Cloudy through mid morning, then gradual clearing, with a high near 81. Light and variable wind becoming west 5 to 10 mph in the afternoon.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 81 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. West wind around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 61. Calm wind.
Saturday
A chance of showers, mainly after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers before 2pm. Cloudy through mid morning, then gradual clearing, with a high near 81. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly clear, with a low around 58. West wind around 5 mph.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Whitehall PA
 40.64°N 75.49°W (Elev. 358 ft)
4:08 pm EDT Aug 21, 2026
6pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026
 
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Additional Resources

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Hourly Weather Forecast

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