Dangerous Heat to Continue through the Holiday Weekend; Severe Storms on Friday from the Plains to the Mid-Atlantic

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

80°F

27°C

Humidity	74%
Wind Speed	W 5 mph
Barometer	30.02 in (1016.3 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	3 Jul 3:56 am EDT

More Information:

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

Extended Forecast for

5 Miles NE Newville PA

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

Extreme Heat Warning July 3, 04:20am until July 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Extreme Heat Warning

Extreme Heat Warning July 3, 04:20am until July 3, 08:00pm
NOW until 8:00pm Fri
Extreme Heat Warning
Today
High: 100 °F
Hot
Tonight
Low: 76 °F
Partly Cloudy
Independence Day
High: 97 °F
Hot
Saturday Night
Low: 71 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 90 °F
Chance
Showers then
T-storms
Sunday Night
Low: 67 °F
T-storms then
Showers
Monday
High: 83 °F
Showers
Likely then
Showers
Monday Night
Low: 66 °F
Showers

Detailed Forecast

Today

Sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind becoming west around 6 mph in the afternoon.

Tonight

Partly cloudy, with a low around 76. Northwest wind around 5 mph becoming calm in the evening.

Independence Day

Sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind becoming west 5 to 7 mph in the afternoon.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 90. 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 2am, then showers likely. Low around 67. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Monday

Showers likely, then showers and possibly a thunderstorm after 2pm. High near 83. Chance of precipitation is 90%.

Monday Night

Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 66. Chance of precipitation is 80%.

Tuesday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.

Tuesday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

Wednesday

Partly sunny, with a high near 86.

Wednesday Night

Partly cloudy, with a low around 66.

Thursday

Mostly sunny, with a high near 88.