Dangerous, Heat Wave Persists in the Eastern U.S.; Severe Weather Expected in the Central Plains and Mid-Atlantic

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Severe thunderstorms are expected to produce damaging wind gusts from the Upper Ohio Valley into the Mid Atlantic, and across the central Great Plains this afternoon and evening. Large hail and heavy rain is also possible across 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

72°F

22°C

Humidity	69%
Wind Speed	W 6 mph
Barometer	30.03 in
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Last update	4 Jul 4:55 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Lake Wynonah PA

Heat Advisory July 4, 05:02am until July 4, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 4, 05:02am until July 4, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
Independence Day
High: 96 °F
Mostly Sunny
then Severe
Thunderstorms
Tonight
Low: 70 °F
Severe
Thunderstorms
then Chance
Showers and
Patchy Fog
Sunday
High: 87 °F
Slight Chance
Showers and
Areas Fog
then Heavy
Rain
Sunday Night
Low: 65 °F
Heavy Rain
then Showers
Monday
High: 78 °F
Showers
Likely
Monday Night
Low: 63 °F
Showers
Likely
Tuesday
High: 80 °F
Chance
T-storms then
Showers
Likely
Tuesday Night
Low: 64 °F
Showers
Likely

Detailed Forecast

Independence Day

A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Some of the storms could be severe. Mostly sunny and hot, with a high near 96. Heat index values as high as 104. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Some of the storms could be severe. Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 70. Light and variable wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Areas of fog before 7am. Otherwise, partly sunny, with a high near 87. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

Showers and thunderstorms likely before 7pm, then showers and possibly a thunderstorm between 7pm and 2am, then showers likely after 2am. Some of the storms could produce heavy rainfall. Low around 65. East wind 3 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Monday

Showers likely, with thunderstorms also possible after 2pm. Cloudy, with a high near 78. East wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

Tuesday Night

Showers likely, mainly before 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

Wednesday

Partly sunny, with a high near 84.

Wednesday Night

Partly cloudy, with a low around 65.

Thursday

A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 30%.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.

Friday

A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%.