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

Selinsgrove Penn Valley Airport (KSEG)

Lat: 40.82°NLon: 76.87°WElev: 443ft.

Fair

93°F

34°C

Humidity	42%
Wind Speed	Calm
Barometer	29.87 in (1011.1 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	96°F (36°C)
Last update	4 Jul 5:53 pm EDT

More Information:

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

Extended Forecast for

4 Miles NNE Millerstown PA

Severe T-storm Watch until July 4, 11:00pm

Heat Advisory July 4, 06:28pm until July 4, 08:00pm

Click here for hazard details and duration

...

Severe T-storm Watch until July 4, 11:00pm
Heat Advisory July 4, 06:28pm until July 4, 08:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 69 °F
Severe
Thunderstorms
and Patchy
Fog
Sunday
High: 87 °F
Slight Chance
T-storms and
Patchy Fog
then Showers
Sunday Night
Low: 65 °F
Showers and
Patchy Fog
Monday
High: 77 °F
Showers then
T-storms
Monday Night
Low: 62 °F
T-storms then
Showers
Tuesday
High: 78 °F
Showers
Likely then
Chance
T-storms
Tuesday Night
Low: 62 °F
Chance
T-storms then
Mostly Cloudy
Wednesday
High: 83 °F
Mostly Sunny

Detailed Forecast

Tonight

Showers and thunderstorms likely, mainly before midnight. Some of the storms could be severe. Patchy fog after 3am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 69. West wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Patchy fog before 7am. High near 87. Calm 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. Patchy fog after 11pm. Low around 65. Light east wind. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Monday

Showers and possibly a thunderstorm. High near 77. Light east wind. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

Showers and possibly a thunderstorm. Low around 62. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday

Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. 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 thunderstorms before 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

Wednesday

Mostly sunny, with a high near 83.

Wednesday Night

Partly cloudy, with a low around 64.

Thursday

Mostly sunny, with a high near 88.

Thursday Night

Mostly cloudy, with a low around 67.

Friday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Chance of precipitation is 60%.