Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to develop off the southeast U.S. coast tonight and is expected to strengthen and bring flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

48°F

9°C

Humidity	83%
Wind Speed	E 6 mph
Barometer	30.22 in (1024.1 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Wind Chill	45°F (7°C)
Last update	11 Oct 3:53 am EDT

More Information:

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

Extended Forecast for

4 Miles S Mercersburg PA

Today
High: 69 °F
Partly Sunny
Tonight
Low: 55 °F
Rain Likely
Sunday
High: 64 °F
Rain
Sunday Night
Low: 53 °F
Chance Rain
Columbus Day
High: 64 °F
Chance Rain
Monday Night
Low: 52 °F
Slight Chance
Showers
Tuesday
High: 71 °F
Mostly Sunny
Tuesday Night
Low: 50 °F
Mostly Clear
Wednesday
High: 70 °F
Sunny

Detailed Forecast

Today

Partly sunny, with a high near 69. Calm wind becoming southeast around 6 mph in the afternoon.

Tonight

Rain likely, mainly after 4am. Cloudy, with a low around 55. North wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday

Rain, mainly before 2pm. High near 64. Northeast wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday Night

A chance of rain. Mostly cloudy, with a low around 53. Northeast wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

Columbus Day

A chance of rain. Partly sunny, with a high near 64. North wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Monday Night

A slight chance of showers before 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.

Tuesday

Mostly sunny, with a high near 71.

Tuesday Night

Mostly clear, with a low around 50.

Wednesday

Sunny, with a high near 70.

Wednesday Night

Mostly clear, with a low around 43.

Thursday

Sunny, with a high near 62.