Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from July 1, 12:00 PM EDT until July 3, 08:00 PM EDT

Current conditions at

Williamsport - Lycoming County Airport (KIPT)

Lat: 41.24°NLon: 76.92°WElev: 522ft.

Overcast

82°F

28°C

Humidity	72%
Wind Speed	N 3 mph
Barometer	29.99 in (1015.0 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	30 Jun 10:54 pm EDT

More Information:

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

Extended Forecast for

Trout Run PA

Heat Advisory July 1, 12:00pm until July 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 69 °F
Patchy Fog
Wednesday
High: 93 °F
Patchy Fog
then Mostly
Sunny
Wednesday Night
Low: 72 °F
Mostly Clear
Thursday
High: 97 °F
Hot
Thursday Night
Low: 74 °F
Clear
Friday
High: 95 °F
Sunny then
Chance
T-storms
Friday Night
Low: 71 °F
Chance
T-storms then
Partly Cloudy
Independence Day
High: 91 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 69 °F
Chance
T-storms

Detailed Forecast

Tonight

Patchy fog after 2am. Otherwise, partly cloudy, with a low around 69. Southwest wind 3 to 6 mph.

Wednesday

Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 93. West wind 3 to 7 mph.

Wednesday Night

Mostly clear, with a low around 72. West wind around 6 mph.

Thursday

Sunny and hot, with a high near 97. Heat index values as high as 101. Southwest wind 3 to 8 mph.

Thursday Night

Clear, with a low around 74. West wind 6 to 8 mph.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.

Independence Day

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

Sunday

Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%.

Sunday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

Monday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 60%.