Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

89°F

32°C

Humidity	59%
Wind Speed	NW 9 mph
Barometer	30.06 in (1017.7 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	97°F (36°C)
Last update	2 Jul 8:56 am EDT

More Information:

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

Extended Forecast for

4 Miles NW Lewisberry PA

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

Extreme Heat Warning July 2, 09:58am until July 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Extreme Heat Warning

Extreme Heat Warning July 2, 09:58am until July 3, 08:00pm
NOW until 8:00pm Fri
Extreme Heat Warning
Today
High: 103 °F
Hot
Tonight
Low: 78 °F
Mostly Clear
Friday
High: 101 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 77 °F
Mostly Clear
Independence Day
High: 99 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 73 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 92 °F
Mostly Sunny
then Showers
Likely
Sunday Night
Low: 70 °F
Showers
Likely

Detailed Forecast

Today

Sunny and hot, with a high near 103. Heat index values as high as 110. Calm wind becoming west around 6 mph in the afternoon.

Tonight

Mostly clear, with a low around 78. West wind around 5 mph becoming calm in the evening.

Friday

A slight chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 101. Heat index values as high as 110. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 20%.

Friday Night

Mostly clear, with a low around 77. West wind around 6 mph becoming calm in the evening.

Independence Day

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 99. Calm wind becoming west 5 to 9 mph in the morning. 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, mainly before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny and hot, with a high near 92. Chance of precipitation is 70%.

Sunday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.

Monday

A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 87. Chance of precipitation is 80%.

Monday Night

Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 68. Chance of precipitation is 80%.

Tuesday

Partly sunny, with a high near 86.

Tuesday Night

Partly cloudy, with a low around 67.

Wednesday

A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 40%.