National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Mostly Cloudy

84°F

29°C

Humidity 53%
Wind Speed NE 6 mph
Barometer 30.09 in (1018.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 29 Jun 3:51 pm EDT
Extended Forecast for

Glendon PA

Extreme Heat Watch July 1, 12:00pm until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • This Afternoon

    This Afternoon: A slight chance of showers. Mostly sunny, with a high near 87. South wind around 5 mph. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 66. South wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. Southwest wind 5 to 15 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 95. West wind around 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 100. Chance of precipitation is 30%.

    High: 100 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A slight chance of showers. Mostly sunny, with a high near 87. South wind around 5 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 66. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 88. Southwest wind 5 to 15 mph.
Tuesday Night
Partly cloudy, with a low around 69. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 95. West wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Clear, with a low around 76.
Friday
A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 100. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Independence Day
Showers likely and possibly a thunderstorm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 89.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Glendon PA
 40.65°N 75.23°W (Elev. 446 ft)
Last Update:
4:08 pm EDT Jun 29, 2026
Forecast Valid:
4pm EDT Jun 29, 2026-6pm EDT Jul 6, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation