Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Hazardous Weather Conditions

Extreme Heat Watch in effect from July 1, 12:00 PM EDT until July 3, 08:00 PM EDT

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

75°F

24°C

Humidity	74%
Wind Speed	SE 5 mph
Barometer	30.13 in (1020.7 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	30 Jun 12:53 am EDT

More Information:

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

Extended Forecast for

6 Miles NW Mc Knightstown PA

Extreme Heat Watch July 1, 12:00pm until July 3, 08:00pm

Click here for hazard details and duration

Extreme Heat Watch

Overnight
Low: 63 °F
Mostly Clear
Tuesday
High: 84 °F
Sunny
Tuesday Night
Low: 67 °F
Mostly Clear
Wednesday
High: 92 °F
Sunny then
Scattered
T-storms
Wednesday Night
Low: 72 °F
Scattered
T-storms then
Mostly Clear
Thursday
High: 95 °F
Hot
Thursday Night
Low: 73 °F
Mostly Clear
Friday
High: 95 °F
Hot
Friday Night
Low: 70 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 63. Southwest wind 3 to 5 mph.

Tuesday

Sunny, with a high near 84. Southwest wind 5 to 7 mph.

Tuesday Night

Mostly clear, with a low around 67. South wind around 7 mph.

Wednesday

Scattered showers and thunderstorms, mainly after 2pm. Sunny and hot, with a high near 92. West wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Scattered showers and thunderstorms before 8pm. Mostly clear, with a low around 72. Light west wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

Sunny and hot, with a high near 95.

Thursday Night

Mostly clear, with a low around 73.

Friday

Sunny and hot, with a high near 95.

Friday Night

Partly cloudy, with a low around 70.

Independence Day

A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.