Isaias to Bring Tropical Impacts Across to the East Coast

Isaias is forecast to make landfall tonight in the Carolinas with dangerous storm surge, flash flooding, damaging winds, and isolated tropical tornadoes. Isaias may strengthen briefly prior to landfall, but the impacts will be the same regardless of the categorical definition. Isaias impacts will be felt all along the East Coast as Isaias moves northward through mid-week. Read More >

Hazardous Weather Conditions

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Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Overcast

85°F

29°C

Humidity	48%
Wind Speed	SW 6 mph
Barometer	30.02 in (1016.5 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	3 Aug 4:56 pm EDT

More Information:

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

Extended Forecast for

5 Miles WSW Mount Holly Springs PA

Flash Flood Watch August 3, 11:00pm until August 4, 11:00pm

Click here for hazard details and duration

Flash Flood Watch

This
Afternoon

Chance
T-storms
High: 84 °F
Tonight

T-storms then
Showers
Low: 68 °F
Tuesday

Showers
High: 76 °F
Tuesday
Night

Showers
Likely
Low: 65 °F
Wednesday

Sunny
High: 83 °F
Wednesday
Night

Partly Cloudy
Low: 62 °F
Thursday

Partly Sunny
High: 82 °F
Thursday
Night

Chance
T-storms
Low: 64 °F
Friday

Mostly Sunny
then Chance
T-storms
High: 82 °F

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms. Cloudy, with a high near 84. South wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 8pm. Low around 68. South wind around 7 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

Showers and possibly a thunderstorm before 2pm, then showers likely. High near 76. East wind 6 to 10 mph becoming north in the afternoon. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Tuesday Night

Showers likely, mainly before 8pm. Partly cloudy, with a low around 65. West wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

Sunny, with a high near 83. Northwest wind 3 to 5 mph.

Wednesday Night

Partly cloudy, with a low around 62.

Thursday

Partly sunny, with a high near 82.

Thursday Night

A chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.