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

Severe Thunderstorms and Heat Impact July 4th Weekend

A threat for severe thunderstorms will impact the July 4th weekend, bringing the potential for damaging wind gusts and localized flash flooding through Sunday. Hazardous heat continues into Sunday as well. Read More >

Hazardous Weather Conditions

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Mostly Cloudy

80°F

27°C

Humidity 71%
Wind Speed NE 6 mph
Barometer 29.98 in (1015.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 5 Jul 12:51 pm EDT
Extended Forecast for

Northampton PA

Flood Watch July 5, 02:00pm until July 6, 08:00pm
Heat Advisory July 5, 01:14pm until July 5, 08:00pm
Click here for hazard details and duration
Flood Watch
Heat Advisory
  •  
    Heat Advisory July 5, 01:14pm until July 5, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 86 °F

    Heavy Rain

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 67. East wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 67 °F

    Heavy Rain

  • Monday

    Monday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. High near 74. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 74 °F

    Showers

  • Monday Night

    Monday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 62. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Northeast 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.

    High: 77 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 86. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 67. East wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. High near 74. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 62. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Northeast 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.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Partly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Northampton PA
 40.69°N 75.51°W (Elev. 417 ft)
Last Update:
4:08 am EDT Jul 5, 2026
Forecast Valid:
1pm EDT Jul 5, 2026-6pm EDT Jul 11, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation