Dangerous, Record-Breaking Heat to Continue in the Central and Eastern U.S.; Severe Thunderstorms in the Upper Midwest; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will continue across most of the central and eastern U.S this week. Heat indices will exceed 100 degrees. Severe storms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians Thursday, with the primary threat large to very large hail. Critical fire weather to continue in the Four Corners Region Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

85°F

29°C

Humidity	65%
Wind Speed	SW 6 mph
Barometer	29.99 in (1015.4 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	1 Jul 10:56 pm EDT

More Information:

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

Extended Forecast for

Dillsburg 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: 76 °F
Clear
Thursday
High: 101 °F
Hot
Thursday Night
Low: 78 °F
Clear
Friday
High: 100 °F
Hot
Friday Night
Low: 77 °F
Mostly Clear
Independence Day
High: 97 °F
Mostly Sunny
then Slight
Chance
T-storms
Saturday Night
Low: 73 °F
Chance
T-storms
Sunday
High: 93 °F
Mostly Sunny
then Showers
Likely

Detailed Forecast

Tonight

Clear, with a low around 76. Calm wind.

Thursday

Sunny and hot, with a high near 101. Heat index values as high as 107. Calm wind becoming northwest around 5 mph in the afternoon.

Thursday Night

Clear, with a low around 78. West wind 3 to 5 mph.

Friday

Sunny and hot, with a high near 100. Heat index values as high as 107. West wind 3 to 7 mph.

Friday Night

Mostly clear, with a low around 77. West wind 5 to 7 mph becoming calm in the evening.

Independence Day

A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 20%.

Saturday Night

A chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 73. Chance of precipitation is 40%.

Sunday

Showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 93. Chance of precipitation is 70%.

Sunday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

Monday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.

Monday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Tuesday

A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.

Tuesday Night

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

Wednesday

Partly sunny, with a high near 88.