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

84°F

29°C

Humidity	65%
Wind Speed	SW 8 mph
Barometer	30.02 in (1016.3 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	2 Jul 11:56 pm EDT

More Information:

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

Extended Forecast for

2 Miles NNW Linglestown PA

Extreme Heat Warning July 3, 12:46am until July 4, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 3, 12:46am until July 4, 08:00pm
NOW until 8:00pm Sat
Extreme Heat Warning
Overnight
Low: 78 °F
Mostly Clear
Friday
High: 101 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 77 °F
Partly Cloudy
Independence Day
High: 99 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 72 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 92 °F
Slight Chance
Showers then
Showers
Likely
Sunday Night
Low: 70 °F
Showers
Likely
Monday
High: 83 °F
Showers

Detailed Forecast

Overnight

Mostly clear, with a low around 78. Light northwest wind.

Friday

A slight chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 101. Heat index values as high as 109. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.

Friday Night

Partly cloudy, with a low around 77. West wind 5 to 7 mph becoming calm after midnight.

Independence Day

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 99. Heat index values as high as 105. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

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 72. Northwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 30%.

Sunday

Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny and hot, with a high near 92. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

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

Monday

Showers likely, then showers and possibly a thunderstorm after 2pm. High near 83. Chance of precipitation is 80%.

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 83. Chance of precipitation is 30%.

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 86.