Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fair

82°F

28°C

Humidity 51%
Wind Speed W 3 mph
Barometer 29.99 in (1015.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 9 Aug 7:51 pm EDT
Extended Forecast for

Coplay PA

  • Tonight

    Tonight: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms after 2pm.  Sunny, then becoming mostly cloudy during the afternoon, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly before midnight.  Partly cloudy, with a low around 70. West wind around 5 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Sunny through mid morning, then becoming cloudy, with a high near 87. West wind around 5 mph.

    High: 87 °F

    Becoming
    Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of showers.  Partly cloudy, with a low around 64. Calm wind.  Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers after 2pm.  Mostly sunny, with a high near 85. Chance of precipitation is 20%.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Mostly cloudy, with a low around 65. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 67. Calm wind.
Monday
A chance of showers and thunderstorms after 2pm. Sunny, then becoming mostly cloudy during the afternoon, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 70. West wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny through mid morning, then becoming cloudy, with a high near 87. West wind around 5 mph.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 20%.
Wednesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Wednesday Night
A chance of thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
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:
Coplay PA
 40.66°N 75.49°W (Elev. 299 ft)
4:08 pm EDT Aug 9, 2026
8pm EDT Aug 9, 2026-6pm EDT Aug 16, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database