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

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	Calm
Barometer	29.90 in (1012.8 mb)
Dewpoint	64°F (18°C)
Visibility	5.00 mi
Last update	11 Oct 1:55 pm EDT

More Information:

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

Extended Forecast for

2 Miles E Potomac Heights MD

Coastal Flood Advisory until October 11, 06:00pm

Click here for hazard details and duration

Coastal Flood Advisory

Coastal Flood Advisory until October 11, 06:00pm
NOW until 6:00pm Sun
Coastal Flood Advisory
This Afternoon
High: 70 °F
Showers
Likely
Tonight
Low: 61 °F
Showers
Columbus Day
High: 73 °F
Showers
Likely then
Partly Sunny
Monday Night
Low: 57 °F
Mostly Clear
Tuesday
High: 80 °F
Sunny
Tuesday Night
Low: 64 °F
Mostly Clear
Wednesday
High: 85 °F
Sunny
Wednesday Night
Low: 63 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm. Cloudy, with a high near 70. East wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. 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 around 6 mph becoming light and variable. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Columbus Day

Showers likely, mainly before 7am. Partly sunny, with a high near 73. North wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Monday Night

Mostly clear, with a low around 57. Light northwest wind.

Tuesday

Sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 64.

Wednesday

Sunny, with a high near 85.

Wednesday Night

Partly cloudy, with a low around 63.

Thursday

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