Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

62°F

17°C

Humidity	52%
Wind Speed	S 13 mph
Barometer	30.02 in (1017.4 mb)
Dewpoint	44°F (7°C)
Visibility	10.00 mi
Last update	12 May 11:53 pm EDT

More Information:

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

Extended Forecast for

3 Miles SSW Mercersburg PA

Overnight
Low: 52 °F
Mostly Cloudy
Wednesday
High: 72 °F
Chance
Showers then
Showers
Likely
Wednesday Night
Low: 48 °F
Showers then
Chance
Showers
Thursday
High: 59 °F
Mostly Sunny
Thursday Night
Low: 48 °F
Partly Cloudy
Friday
High: 72 °F
Mostly Sunny
Friday Night
Low: 52 °F
Partly Cloudy
Saturday
High: 86 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 61 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 52. Light south wind.

Wednesday

A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 72. South wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and possibly a thunderstorm before midnight, then a chance of showers between midnight and 1am. Low around 48. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Mostly sunny, with a high near 59. Northwest wind 9 to 13 mph, with gusts as high as 24 mph.

Thursday Night

Partly cloudy, with a low around 48. Northwest wind 8 to 10 mph, with gusts as high as 23 mph.

Friday

Mostly sunny, with a high near 72.

Friday Night

Partly cloudy, with a low around 52.

Saturday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 61. Chance of precipitation is 30%.