Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. 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.

Fair

78°F

26°C

Humidity	52%
Wind Speed	E 7 mph
Barometer	30.12 in (1020.2 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	4 Aug 10:53 am EDT

More Information:

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

Extended Forecast for

Williamsport MD

Today
High: 87 °F
Mostly Sunny
Tonight
Low: 68 °F
Mostly Cloudy
then Slight
Chance
Showers
Wednesday
High: 85 °F
Showers
Likely
Wednesday Night
Low: 70 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 90 °F
Mostly Sunny
then Showers
Likely
Thursday Night
Low: 70 °F
Showers
Likely then
Slight Chance
Showers
Friday
High: 90 °F
Mostly Sunny
then Showers
Likely
Friday Night
Low: 69 °F
Showers
Likely then
Chance
T-storms
Saturday
High: 88 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

Today

Mostly sunny, with a high near 87. Light southeast wind.

Tonight

A slight chance of showers after 3am. Mostly cloudy, with a low around 68. Light southeast wind. Chance of precipitation is 20%.

Wednesday

Showers and thunderstorms likely before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 85. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. South wind 3 to 5 mph. Chance of precipitation is 30%.

Thursday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. South wind 3 to 7 mph. Chance of precipitation is 60%.

Thursday Night

Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

Friday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 60%.

Friday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Saturday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 90.

Sunday Night

Partly cloudy, with a low around 70.

Monday

Mostly sunny, with a high near 92.