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.

Overcast

66°F

19°C

Humidity 93%
Wind Speed E 3 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 22 Aug 4:51 am EDT
Extended Forecast for

Pen Argyl PA

  • Today

    Today: A slight chance of showers after 1pm.  Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 75 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 1am, then showers likely and possibly a thunderstorm after 1am.  Patchy fog after 9pm.  Otherwise, mostly cloudy, with a low around 64. East wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms before 2pm, then a slight chance of showers.  Patchy fog before noon.  Otherwise, partly sunny, with a high near 77. West wind 5 to 10 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers and
    Patchy Fog
    then Slight
    Chance
    T-storms

  • 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 74. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

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

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers after 1pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Tonight
A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 1am, then showers likely and possibly a thunderstorm after 1am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 64. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before 2pm, then a slight chance of showers. Patchy fog before noon. Otherwise, partly sunny, with a high near 77. West wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Mostly clear, with a low around 58. West wind around 5 mph.
Monday
Sunny, with a high near 74. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Showers likely. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Pen Argyl PA
 40.86°N 75.24°W (Elev. 600 ft)
4:09 am EDT Aug 22, 2026
5am EDT Aug 22, 2026-6pm EDT Aug 28, 2026
 
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Additional Resources

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