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.

Overcast

71°F

22°C

Humidity	94%
Wind Speed	Calm
Barometer	29.94 in (1013.6 mb)
Dewpoint	69°F (21°C)
Visibility	7.00 mi
Last update	5 Jul 5:54 am EDT

More Information:

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

Extended Forecast for

6 Miles NNW Dunnstown PA

Dense Fog Advisory until July 5, 09:00am

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory until July 5, 09:00am
NOW until 9:00am Sun
Dense Fog Advisory
Overnight
Low: 66 °F
Areas Dense
Fog
Sunday
High: 81 °F
Areas Dense
Fog then
Heavy Rain
Sunday Night
Low: 65 °F
Heavy Rain
Monday
High: 73 °F
Showers
Likely
Monday Night
Low: 62 °F
Showers
Tuesday
High: 76 °F
Showers
Likely
Tuesday Night
Low: 62 °F
Chance
T-storms then
Chance
Showers
Wednesday
High: 81 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

Overnight

Areas of dense fog. Otherwise, mostly cloudy, with a low around 66. Calm wind.

Sunday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. Areas of dense fog before 9am. High near 81. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

Showers and possibly a thunderstorm before 11pm, then showers likely. Some of the storms could produce heavy rainfall. Low around 65. Light northeast wind. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

Monday

Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 73. East wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

Showers and possibly a thunderstorm before 5am, then showers likely. Low around 62. East wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 76. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.

Wednesday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 30%.

Thursday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

Friday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 70%.

Friday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.