Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Overcast

79°F

26°C

Humidity	74%
Wind Speed	W 5 mph
Barometer	30.02 in (1017.0 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	7 Jul 1:53 pm EDT

More Information:

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

Extended Forecast for

Chambersburg PA

This Afternoon
High: 82 °F
Chance
T-storms
Tonight
Low: 68 °F
Chance
T-storms then
Chance
Showers and
Patchy Fog
Wednesday
High: 80 °F
Chance
Showers and
Patchy Fog
then Partly
Sunny
Wednesday Night
Low: 68 °F
Patchy Fog
then Slight
Chance
Showers and
Patchy Fog
Thursday
High: 86 °F
Chance
T-storms then
T-storms
Thursday Night
Low: 67 °F
Showers then
Partly Cloudy
Friday
High: 88 °F
Chance
Showers then
Showers
Likely
Friday Night
Low: 67 °F
Showers
Likely then
Chance
Showers
Saturday
High: 85 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 5am. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

A chance of showers, mainly before 9am. Patchy fog between 9am and 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

A slight chance of showers after 3am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 20%.

Thursday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 86. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and possibly a thunderstorm before 8pm. Low around 67. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 70%.

Friday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

Saturday

A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.

Saturday Night

A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

Sunday

A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.

Sunday Night

A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

Monday

Mostly sunny, with a high near 87.