Hot Temperatures in the Northwest U.S.; Tropical Rainfall Potential in the Southwest U.S.

Hot to extremely hot temperatures are in place again Thursday across the interior northwest U.S. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring a marginal to slight risk of excessive rainfall across the southwest U.S. through Saturday which may bring areas of flooding. 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

54°F

12°C

Humidity	93%
Wind Speed	Calm
Barometer	29.83 in (1009.9 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	4 Sep 6:53 am EDT

More Information:

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

Extended Forecast for

Harpers Ferry WV

Today
High: 83 °F
Sunny then
Showers
Likely
Tonight
Low: 61 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 86 °F
Patchy Fog
then Sunny
Friday Night
Low: 65 °F
Mostly Clear
Saturday
High: 83 °F
Slight Chance
Showers then
Showers
Likely
Saturday Night
Low: 56 °F
Showers
Likely
Sunday
High: 73 °F
Mostly Sunny
Sunday Night
Low: 50 °F
Partly Cloudy
Monday
High: 72 °F
Sunny

Detailed Forecast

Today

A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 83. Southeast wind 7 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. South wind 3 to 7 mph. Chance of precipitation is 30%.

Friday

Patchy fog before 9am. Otherwise, sunny, with a high near 86. Calm wind becoming southwest 5 to 9 mph in the morning.

Friday Night

Mostly clear, with a low around 65. South wind around 7 mph.

Saturday

A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. South wind 3 to 8 mph. Chance of precipitation is 70%.

Saturday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

Sunday

Mostly sunny, with a high near 73.

Sunday Night

Partly cloudy, with a low around 50.

Monday

Sunny, with a high near 72.

Monday Night

Mostly clear, with a low around 49.

Tuesday

Sunny, with a high near 74.

Tuesday Night

Mostly clear, with a low around 50.