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

Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Schuylkill County/Joe Zerbey Airport (KZER)

Lat: 40.71°NLon: 76.37°WElev: 1730ft.

Fair

86°F

30°C

Humidity 52%
Wind Speed W 9 mph
Barometer 30.05 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 4 Jul 1:55 pm EDT
Extended Forecast for

Mary D PA

Heat Advisory July 4, 02:15pm until July 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 4, 02:15pm until July 4, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Independence Day

    High: 92 °F

    Hot

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Some of the storms could be severe. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Severe
    Thunderstorms
    then Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 85. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers likely and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Low around 62. Calm wind. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 62 °F

    Heavy Rain

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 73. East wind 3 to 5 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 73 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 59. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 59 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely then
    Mostly Cloudy

Detailed Forecast

Independence Day
Sunny and hot, with a high near 92. Northwest wind around 5 mph.
Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Some of the storms could be severe. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 85. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers likely and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Low around 62. Calm wind. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers and possibly a thunderstorm. High near 73. East wind 3 to 5 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 59. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mary D PA
 40.74°N 76.06°W (Elev. 1066 ft)
Last Update:
2:10 pm EDT Jul 4, 2026
Forecast Valid:
2pm EDT Jul 4, 2026-6pm EDT Jul 10, 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