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

66°F

19°C

Humidity	93%
Wind Speed	N 3 mph
Barometer	29.94 in (1014.1 mb)
Dewpoint	64°F (18°C)
Visibility	5.00 mi
Last update	11 Oct 12:55 pm EDT

More Information:

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

Extended Forecast for

Merrifield VA

This Afternoon
High: 68 °F
Showers
Tonight
Low: 61 °F
Showers
Columbus Day
High: 72 °F
Chance
Showers then
Mostly Sunny
Monday Night
Low: 57 °F
Mostly Clear
Tuesday
High: 79 °F
Sunny
Tuesday Night
Low: 63 °F
Mostly Clear
Wednesday
High: 83 °F
Sunny
Wednesday Night
Low: 62 °F
Partly Cloudy
then Slight
Chance
Showers
Thursday
High: 69 °F
Slight Chance
Showers

Detailed Forecast

This Afternoon

Showers likely, then showers and possibly a thunderstorm after 2pm. High near 68. East wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms before 3am, then showers and possibly a thunderstorm, mainly after 3am. Low around 61. East wind 5 to 8 mph becoming northwest after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Columbus Day

A chance of showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 72. North wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

Monday Night

Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm after midnight.

Tuesday

Sunny, with a high near 79. Calm wind becoming south 5 to 8 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 63.

Wednesday

Sunny, with a high near 83.

Wednesday Night

A slight chance of showers after 2am. Partly cloudy, with a low around 62. Chance of precipitation is 20%.

Thursday

A slight chance of showers before 2pm. Partly sunny, with a high near 69. Chance of precipitation is 20%.