Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Overcast

71°F

22°C

Humidity 94%
Wind Speed W 3 mph
Barometer 29.84 in (1010.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 13 Aug 3:51 am EDT
Extended Forecast for

Allentown PA

  • Overnight

    Overnight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 66. Calm wind.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85. Calm wind.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm.  Partly sunny, with a high near 84. Chance of precipitation is 50%.

    High: 84 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 65. Calm wind.
Friday
Mostly sunny, with a high near 85. Calm wind.
Friday Night
Partly cloudy, with a low around 61. Calm wind.
Saturday
Sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Sunday Night
A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Monday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Allentown PA
 40.62°N 75.5°W (Elev. 328 ft)
4:08 pm EDT Aug 12, 2026
3am EDT Aug 13, 2026-6pm EDT Aug 19, 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