Dangerous, Record-Breaking Heat to Continue in the Central and Eastern U.S.; Severe Thunderstorms in the Upper Midwest; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will continue across most of the central and eastern U.S this week. Heat indices will exceed 100 degrees. Severe storms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians Thursday, with the primary threat large to very large hail. Critical fire weather to continue in the Four Corners Region Read More >

Hazardous Weather Conditions

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

84°F

29°C

Humidity	67%
Wind Speed	Calm
Barometer	30.04 in (1017.3 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	2 Jul 12:53 am EDT

More Information:

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

Extended Forecast for

2 Miles NW South Mountain PA

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

Extreme Heat Warning until July 3, 08:00pm

Click here for hazard details and duration

Heat Advisory

Extreme Heat Warning

Extreme Heat Warning until July 3, 08:00pm
NOW until 8:00pm Fri
Extreme Heat Warning
Overnight
Low: 74 °F
Clear
Thursday
High: 97 °F
Hot
Thursday Night
Low: 77 °F
Clear
Friday
High: 95 °F
Hot
Friday Night
Low: 76 °F
Partly Cloudy
Independence Day
High: 92 °F
Mostly Sunny
then Slight
Chance
T-storms
Saturday Night
Low: 71 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 88 °F
Mostly Sunny
then T-storms
Likely

Detailed Forecast

Overnight

Clear, with a low around 74. Calm wind becoming west around 5 mph.

Thursday

Sunny and hot, with a high near 97. Heat index values as high as 101. Calm wind becoming west around 5 mph in the afternoon.

Thursday Night

Clear, with a low around 77. West wind around 5 mph becoming calm in the evening.

Friday

Sunny and hot, with a high near 95. Heat index values as high as 101. Calm wind becoming west around 6 mph in the afternoon.

Friday Night

Partly cloudy, with a low around 76. West wind around 6 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 92. Chance of precipitation is 20%.

Saturday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.

Sunday

Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 88. 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 67. Chance of precipitation is 70%.

Monday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.

Monday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

Tuesday

A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 30%.

Tuesday Night

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

Wednesday

A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.