Tropical Moisture Brings Heavy Rain to Southwest; Strong Coastal Low to Impact the East Coast

Deep tropical moisture surging into the Southwest U.S. will lead to widespread showers and thunderstorms capable of producing flash flooding the next several days. A strong coastal low will develop late Friday and is expected to bring flooding, high surf, dangerous rip currents, gusty winds and heavy rain to much of the U.S. East Coast through early next week. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

43°F

6°C

Humidity	80%
Wind Speed	Calm
Barometer	30.48 in (1032.3 mb)
Dewpoint	37°F (3°C)
Visibility	10.00 mi
Last update	9 Oct 10:56 pm EDT

More Information:

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

Extended Forecast for

3 Miles SE Mechanicsburg PA

Freeze Warning until October 10, 09:00am

Click here for hazard details and duration

Freeze Warning

Freeze Warning until October 10, 09:00am
NOW until 9:00am Fri
Freeze Warning
Tonight
Low: 34 °F
Areas Frost
Friday
High: 65 °F
Frost then
Sunny
Friday Night
Low: 45 °F
Partly Cloudy
Saturday
High: 66 °F
Chance Rain
Saturday Night
Low: 55 °F
Rain Likely
Sunday
High: 61 °F
Rain
Sunday Night
Low: 51 °F
Rain
Columbus Day
High: 60 °F
Rain Likely

Detailed Forecast

Tonight

Areas of frost after 4am. Otherwise, clear, with a low around 34. Calm wind.

Friday

Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 65. Calm wind becoming south 5 to 8 mph in the afternoon.

Friday Night

Partly cloudy, with a low around 45. Southeast wind around 6 mph becoming calm in the evening.

Saturday

A chance of rain, mainly after 2pm. Partly sunny, with a high near 66. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Saturday Night

Rain likely, mainly after 2am. Mostly cloudy, with a low around 55. East wind 7 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday

Rain. High near 61. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Rain. Low around 51. Chance of precipitation is 80%.

Columbus Day

Rain likely, mainly before 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

Monday Night

A chance of rain before 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

Tuesday

Partly sunny, with a high near 67.

Tuesday Night

Partly cloudy, with a low around 51.