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

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Light Rain Fog/Mist

60°F

16°C

Humidity	96%
Wind Speed	N 8 mph
Barometer	29.83 in (1010.0 mb)
Dewpoint	59°F (15°C)
Visibility	4.00 mi
Last update	11 Oct 6:52 pm EDT

More Information:

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

Extended Forecast for

3 Miles ESE Chantilly VA

Tonight
Low: 61 °F
Showers
Columbus Day
High: 73 °F
Chance
Showers then
Partly Sunny
Monday Night
Low: 57 °F
Partly Cloudy
Tuesday
High: 79 °F
Becoming
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: 70 °F
Slight Chance
Showers
Thursday Night
Low: 57 °F
Partly Cloudy
then Chance
Showers

Detailed Forecast

Tonight

Showers and possibly a thunderstorm. Low around 61. Northeast wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Columbus Day

A chance of showers, mainly before 7am. Mostly cloudy, with a high near 73. Northwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

Monday Night

Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.

Tuesday

Partly sunny, then gradually becoming 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. Southwest wind 5 to 7 mph.

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 70. Chance of precipitation is 20%.