Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

A Few Clouds

99°F

37°C

Humidity	38%
Wind Speed	NW 12 mph
Barometer	29.95 in (1014.0 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	106°F (41°C)
Last update	1 Jul 5:56 pm EDT

More Information:

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

Extended Forecast for

3 Miles S Landisburg PA

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

Extreme Heat Warning until July 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Extreme Heat Warning

Extreme Heat Warning until July 3, 08:00pm
NOW until 8:00pm Fri
Extreme Heat Warning
Tonight
Low: 74 °F
Clear
Thursday
High: 100 °F
Hot
Thursday Night
Low: 76 °F
Clear
Friday
High: 99 °F
Hot
Friday Night
Low: 75 °F
Mostly Clear
Independence Day
High: 96 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 71 °F
Chance
T-storms
Sunday
High: 92 °F
Mostly Sunny
then Showers
Likely

Detailed Forecast

Tonight

Clear, with a low around 74. Northwest wind around 5 mph becoming calm in the evening.

Thursday

Sunny and hot, with a high near 100. Heat index values as high as 104. Northwest wind 3 to 5 mph.

Thursday Night

Clear, with a low around 76. West wind 3 to 5 mph.

Friday

Sunny and hot, with a high near 99. Heat index values as high as 105. West wind 3 to 6 mph.

Friday Night

Mostly clear, with a low around 75. 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 96. 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 before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.

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 8pm, then a chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Monday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.

Monday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

Tuesday

Partly sunny, with a high near 84.