Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Light Rain Fog/Mist

67°F

19°C

Humidity	94%
Wind Speed	NW 6 mph
Barometer	29.81 in (1009.7 mb)
Dewpoint	65°F (18°C)
Visibility	4.00 mi
Last update	11 Oct 4:55 pm EDT

More Information:

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

Extended Forecast for

Franconia VA

This Afternoon
High: 68 °F
Showers
Tonight
Low: 62 °F
Showers
Columbus Day
High: 73 °F
Showers
Likely then
Partly Sunny
Monday Night
Low: 58 °F
Partly Cloudy
Tuesday
High: 80 °F
Sunny
Tuesday Night
Low: 64 °F
Mostly Clear
Wednesday
High: 84 °F
Sunny
Wednesday Night
Low: 63 °F
Partly Cloudy
then Slight
Chance
Showers
Thursday
High: 71 °F
Slight Chance
Showers

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. High near 68. East wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm. Low around 62. Northeast wind 6 to 9 mph becoming northwest after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Columbus Day

Showers likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 73. Northwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Monday Night

Partly cloudy, with a low around 58. Northwest wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 64.

Wednesday

Sunny, with a high near 84.

Wednesday Night

A slight chance of showers after 2am. Partly cloudy, with a low around 63. Chance of precipitation is 20%.

Thursday

A slight chance of showers before 2pm. Mostly sunny, with a high near 71. Chance of precipitation is 20%.