Dangerous, Record-Breaking Heat to Continue in the Central and Eastern U.S.; Severe Thunderstorms in the Upper Midwest; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will continue across most of the central and eastern U.S this week. Heat indices will exceed 100 degrees. Severe storms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians Thursday, with the primary threat large to very large hail. Critical fire weather to continue in the Four Corners Region Read More >

Hazardous Weather Conditions

Current conditions at

Williamsport - Lycoming County Airport (KIPT)

Lat: 41.24°NLon: 76.92°WElev: 522ft.

Fair

78°F

26°C

Humidity	85%
Wind Speed	N 5 mph
Barometer	29.99 in (1014.9 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	2 Jul 12:54 am EDT

More Information:

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

Extended Forecast for

3 Miles SSW Trout Run PA

Heat Advisory until July 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until July 3, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
Overnight
Low: 72 °F
Clear
Thursday
High: 101 °F
Hot
Thursday Night
Low: 74 °F
Mostly Clear
Friday
High: 98 °F
Sunny then
Chance
T-storms
Friday Night
Low: 73 °F
Scattered
T-storms
Independence Day
High: 94 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 68 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 88 °F
Chance
Showers then
Showers
Likely

Detailed Forecast

Overnight

Clear, with a low around 72. Calm wind.

Thursday

Sunny and hot, with a high near 101. Heat index values as high as 108. Calm wind becoming west 5 to 7 mph in the afternoon.

Thursday Night

Mostly clear, with a low around 74. West wind around 5 mph becoming calm in the evening.

Friday

A slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 105. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 30%.

Friday Night

Scattered showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Independence Day

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 94. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

Sunday

Showers likely and possibly a thunderstorm, mainly 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 70%.

Monday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.

Monday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

Tuesday

Mostly sunny, with a high near 86.

Tuesday Night

Partly cloudy, with a low around 64.