Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

81°F

27°C

Humidity	79%
Wind Speed	SE 3 mph
Barometer	30.10 in (1019.3 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	2 Jul 7:53 am EDT

More Information:

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

Extended Forecast for

2 Miles NNW South Mountain PA

Heat Advisory July 3, 08:00pm until July 4, 08:00pm

Extreme Heat Warning July 2, 08:37am until July 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Extreme Heat Warning

Extreme Heat Warning July 2, 08:37am until July 3, 08:00pm
NOW until 8:00pm Fri
Extreme Heat Warning
Today
High: 98 °F
Hot
Tonight
Low: 77 °F
Mostly Clear
Friday
High: 97 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 76 °F
Partly Cloudy
Independence Day
High: 94 °F
Mostly Sunny
then Slight
Chance
T-storms
Saturday Night
Low: 71 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 90 °F
Mostly Sunny
then T-storms
Likely
Sunday Night
Low: 68 °F
T-storms
Likely then
Showers
Likely

Detailed Forecast

Today

Sunny and hot, with a high near 98. Heat index values as high as 103. West wind 3 to 5 mph.

Tonight

Mostly clear, with a low around 77. Light west wind.

Friday

A slight chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 97. Heat index values as high as 103. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 20%.

Friday Night

Partly cloudy, with a low around 76. West wind around 5 mph becoming calm in the evening.

Independence Day

A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 94. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

Saturday Night

A chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 70%.

Sunday Night

Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.

Monday

A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 80%.

Monday Night

Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 65. Chance of precipitation is 80%.

Tuesday

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

Tuesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

Wednesday

A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 40%.