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

Eastern WV Regional Airport/Shepherd Field (KMRB)

Lat: 39.4°NLon: 77.98°WElev: 538ft.

Fair

85°F

29°C

Humidity	50%
Wind Speed	N 3 mph
Barometer	30.06 in (1017.4 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	4 Aug 3:53 pm EDT

More Information:

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

Extended Forecast for

3 Miles ESE Harpers Ferry WV

Tonight
Low: 68 °F
Chance
Showers
Wednesday
High: 83 °F
Showers
Likely
Wednesday Night
Low: 71 °F
Chance
T-storms then
Slight Chance
Showers
Thursday
High: 88 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 71 °F
Chance
T-storms then
Slight Chance
Showers
Friday
High: 88 °F
Mostly Sunny
then Showers
Likely
Friday Night
Low: 69 °F
Showers
Likely then
Chance
T-storms
Saturday
High: 87 °F
Partly Sunny
then Chance
T-storms
Saturday Night
Low: 69 °F
Chance
T-storms

Detailed Forecast

Tonight

A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 68. East wind 3 to 7 mph. Chance of precipitation is 30%.

Wednesday

Showers likely before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 83. East wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 70%. 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 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 71. South wind around 7 mph. Chance of precipitation is 30%.

Thursday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. South wind around 8 mph. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 71. South wind 3 to 7 mph. Chance of precipitation is 30%.

Friday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. 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 87. 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

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

Sunday Night

Partly cloudy, with a low around 70.

Monday

Mostly sunny, with a high near 90.

Monday Night

Partly cloudy, with a low around 71.