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 across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Reedsville / Mifflin (KRVL)

Lat: 40.68°NLon: 77.63°WElev: 820ft.

Fair

82°F

28°C

Humidity	74%
Wind Speed	Calm
Barometer	30.03 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	1 Jul 10:15 pm EDT

More Information:

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

Extended Forecast for

Port Royal PA

Heat Advisory July 3, 08:00pm until July 4, 08:00pm

Extreme Heat Warning until July 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Extreme Heat Warning

Extreme Heat Warning until July 3, 08:00pm
NOW until 8:00pm Fri
Extreme Heat Warning
Tonight
Low: 73 °F
Clear
Thursday
High: 100 °F
Hot
Thursday Night
Low: 75 °F
Clear
Friday
High: 99 °F
Hot
Friday Night
Low: 73 °F
Mostly Clear
Independence Day
High: 96 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 70 °F
Chance
T-storms
Sunday
High: 92 °F
Mostly Sunny
then Showers
Likely

Detailed Forecast

Tonight

Clear, with a low around 73. Calm wind.

Thursday

Sunny and hot, with a high near 100. Heat index values as high as 106. Calm wind becoming west around 5 mph in the afternoon.

Thursday Night

Clear, with a low around 75. Light west wind.

Friday

Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming west 5 to 7 mph in the afternoon.

Friday Night

Mostly clear, with a low around 73. Light west wind.

Independence Day

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 96. Chance of precipitation is 30%. 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 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

Sunday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny and hot, with a high near 92. Chance of precipitation is 60%.

Sunday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

Monday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 50%.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

Tuesday

Partly sunny, with a high near 85.