Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Light Rain

71°F

22°C

Humidity	94%
Wind Speed	S 5 mph
Barometer	29.99 in (1016.1 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	3 Sep 11:53 pm EDT

More Information:

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

Extended Forecast for

Williamsport MD

Severe T-storm Watch until September 4, 02:00am

Click here for hazard details and duration

...

Severe T-storm Watch until September 4, 02:00am
NOW until 2:00am Fri
Severe T-storm Watch
Overnight
Low: 71 °F
Showers
Likely and
Patchy Fog
Friday
High: 89 °F
Patchy Fog
then Showers
Likely
Friday Night
Low: 68 °F
Showers
Likely then
Chance
Showers
Saturday
High: 83 °F
Chance
Showers
Saturday Night
Low: 59 °F
Chance
Showers then
Partly Cloudy
Sunday
High: 81 °F
Sunny
Sunday Night
Low: 58 °F
Mostly Clear
Labor Day
High: 80 °F
Sunny

Detailed Forecast

Overnight

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 2am, then a slight chance of showers after 2am. Patchy fog after 4am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 71. Light south wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 89. Light northwest wind increasing to 5 to 9 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.

Friday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 68. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 83. North wind 3 to 7 mph. Chance of precipitation is 30%.

Saturday Night

A chance of showers before 8pm. Partly cloudy, with a low around 59. North wind 3 to 5 mph. Chance of precipitation is 30%.

Sunday

Sunny, with a high near 81.

Sunday Night

Mostly clear, with a low around 58.

Labor Day

Sunny, with a high near 80.

Monday Night

Partly cloudy, with a low around 58.