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

83°F

28°C

Humidity	67%
Wind Speed	W 8 mph
Barometer	30.02 in (1016.4 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	3 Jul 12:56 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, 01:51am until July 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Extreme Heat Warning

Extreme Heat Warning July 3, 01:51am until July 3, 08:00pm
NOW until 8:00pm Fri
Extreme Heat Warning
Overnight
Low: 77 °F
Mostly Clear
Friday
High: 100 °F
Hot
Friday Night
Low: 76 °F
Mostly Clear
Independence Day
High: 98 °F
Hot
Saturday Night
Low: 71 °F
Chance
Showers
Sunday
High: 91 °F
Slight Chance
Showers then
Showers
Likely
Sunday Night
Low: 69 °F
Showers
Likely
Monday
High: 82 °F
Showers

Detailed Forecast

Overnight

Mostly clear, with a low around 77. Calm wind.

Friday

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.

Friday Night

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

Independence Day

Sunny and hot, with a high near 98. 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. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.

Monday

Showers likely, then showers and possibly a thunderstorm after 2pm. High near 82. Chance of precipitation is 80%.

Monday Night

Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 65. 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 40%.

Tuesday Night

A chance of thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

Wednesday

Partly sunny, with a high near 84.