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

Williamsport - Lycoming County Airport (KIPT)

Lat: 41.24°NLon: 76.92°WElev: 522ft.

Fair

95°F

35°C

Humidity	41%
Wind Speed	W 8 G 20 mph
Barometer	29.91 in (1012.1 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	100°F (38°C)
Last update	4 Jul 2:54 pm EDT

More Information:

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

Extended Forecast for

3 Miles N Muncy PA

Heat Advisory July 4, 03:19pm until July 4, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 4, 03:19pm until July 4, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
Independence Day
High: 94 °F
Severe
Thunderstorms
Tonight
Low: 68 °F
Severe
Thunderstorms
then Patchy
Fog
Sunday
High: 86 °F
Slight Chance
T-storms and
Patchy Fog
then Showers
Likely
Sunday Night
Low: 65 °F
Showers
Monday
High: 78 °F
Showers then
T-storms
Monday Night
Low: 62 °F
T-storms then
Showers
Tuesday
High: 80 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 62 °F
Chance
T-storms then
Mostly Cloudy

Detailed Forecast

Independence Day

A chance of showers and thunderstorms after 5pm. Some of the storms could be severe. Mostly sunny and hot, with a high near 94. West wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms, mainly before 10pm. Some of the storms could be severe. Patchy fog after 4am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 68. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers and thunderstorms likely, mainly before 3pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 8am. Otherwise, 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.

Sunday Night

Showers and possibly a thunderstorm. Low around 65. Calm wind. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Monday

Showers and possibly a thunderstorm before 8am, then showers between 8am and 11am, then showers and possibly a thunderstorm after 11am. High near 78. East wind 3 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday

A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 40%.

Tuesday Night

A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

Wednesday

Mostly sunny, with a high near 86.

Wednesday Night

Partly cloudy, with a low around 63.

Thursday

Mostly sunny, with a high near 90.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.