Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

68°F

20°C

Humidity	87%
Wind Speed	Calm
Barometer	30.13 in (1020.0 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	30 Jun 5:56 am EDT

More Information:

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

Extended Forecast for

4 Miles SSW Landisburg PA

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

Extreme Heat Warning July 1, 12:00pm until July 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Extreme Heat Warning

Today
High: 89 °F
Mostly Sunny
Tonight
Low: 69 °F
Partly Cloudy
Wednesday
High: 96 °F
Sunny then
Scattered
T-storms
Wednesday Night
Low: 73 °F
Scattered
T-storms then
Mostly Clear
Thursday
High: 99 °F
Hot
Thursday Night
Low: 75 °F
Mostly Clear
Friday
High: 99 °F
Hot
Friday Night
Low: 72 °F
Partly Cloudy
Independence Day
High: 95 °F
Mostly Sunny
then Chance
T-storms

Detailed Forecast

Today

Mostly sunny, with a high near 89. Southwest wind 3 to 7 mph.

Tonight

Partly cloudy, with a low around 69. Southwest wind around 6 mph.

Wednesday

Scattered showers and thunderstorms, mainly after 3pm. Increasing clouds and hot, with a high near 96. Heat index values as high as 105. West wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Scattered showers and thunderstorms before 8pm. Partly cloudy, with a low around 73. Light west wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

Sunny and hot, with a high near 99. West wind 3 to 5 mph.

Thursday Night

Mostly clear, with a low around 75.

Friday

Sunny and hot, with a high near 99.

Friday Night

Partly cloudy, with a low around 72.

Independence Day

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.