Pacific Storm System Across the West; Fire Weather Concerns in the Southeast

A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Fire weather concerns will continue into Tuesday across the Mid-South and Southeast as gusty winds and dry conditions persist. Read More >

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

41°F

5°C

Humidity	39%
Wind Speed	N 5 mph
Barometer	30.33 in (1028.4 mb)
Dewpoint	18°F (-8°C)
Visibility	10.00 mi
Wind Chill	38°F (3°C)
Last update	20 Apr 10:53 pm EDT

More Information:

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

Extended Forecast for

3 Miles SSW Mercersburg PA

Freeze Warning April 21, 12:00am until April 21, 09:00am

Click here for hazard details and duration

Freeze Warning

Tonight
Low: 30 °F
Frost
Tuesday
High: 62 °F
Frost then
Sunny
Tuesday Night
Low: 45 °F
Partly Cloudy
then Chance
Showers
Wednesday
High: 71 °F
Showers
Likely
Wednesday Night
Low: 49 °F
Chance
Showers then
Mostly Clear
Thursday
High: 78 °F
Sunny
Thursday Night
Low: 52 °F
Partly Cloudy
Friday
High: 80 °F
Mostly Sunny
Friday Night
Low: 55 °F
Chance
Showers

Detailed Forecast

Tonight

Widespread frost after 2am. Otherwise, mostly clear, with a low around 30. Calm wind.

Tuesday

Widespread frost before 9am. Otherwise, sunny, with a high near 62. Calm wind becoming south 5 to 7 mph in the afternoon.

Tuesday Night

A chance of showers after 2am. Partly cloudy, with a low around 45. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 71. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers before 8pm. Mostly clear, with a low around 49. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

Sunny, with a high near 78.

Thursday Night

Partly cloudy, with a low around 52.

Friday

Mostly sunny, with a high near 80.

Friday Night

A chance of showers after 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

Saturday

Showers likely, mainly after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 60%.

Saturday Night

Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.