Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Overcast

84°F

29°C

Humidity 53%
Wind Speed S 5 mph
Barometer 30.10 in (1018.9 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 26 Jul 2:51 pm EDT
Extended Forecast for

Bethlehem PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 88. Southeast wind around 5 mph.

    High: 88 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 7pm.  Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 85. Southwest wind around 5 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Showers
    Likely then
    Showers

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am.  Low around 72. Calm wind.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Showers then
    Slight Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 93. Calm wind.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 88. Southeast wind around 5 mph.
Tonight
A chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and possibly a thunderstorm. High near 85. Southwest wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 72. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Sunny, with a high near 93. Calm wind.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny, with a high near 94.
Wednesday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Bethlehem PA
 40.63°N 75.38°W (Elev. 299 ft)
4:11 am EDT Jul 26, 2025
3pm EDT Jul 26, 2025-6pm EDT Aug 2, 2025
 
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Additional Resources

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