Heavy Rain and Thunderstorms in the Lower Ohio Valley and Southeast; Flooding Continues Along the East Coast of Florida

An approaching cold front may produce isolated heavy rainfall and severe weather today over portions of the Lower Ohio Valley and Southeast. While the heavy rainfall is ending across east Florida, significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

73°F

23°C

Humidity	57%
Wind Speed	SE 12 G 20 mph
Barometer	30.03 in (1016.7 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	4 Nov 3:52 pm EST

More Information:

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

Extended Forecast for

Herndon VA

Tonight
Low: 63 °F
Mostly Cloudy
then Chance
Rain
Thursday
High: 75 °F
Chance Rain
then Partly
Sunny
Thursday Night
Low: 58 °F
Mostly Cloudy
then Chance
Rain
Friday
High: 69 °F
Slight Chance
Rain
Friday Night
Low: 48 °F
Partly Cloudy
Saturday
High: 61 °F
Mostly Sunny
Saturday Night
Low: 42 °F
Partly Cloudy
Sunday
High: 61 °F
Mostly Sunny
Sunday Night
Low: 41 °F
Mostly Clear

Detailed Forecast

Tonight

A chance of rain, mainly after 2am. Mostly cloudy, with a low around 63. South wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

Thursday

A chance of rain, mainly before 8am. Mostly cloudy, with a high near 75. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

Thursday Night

A chance of rain after 3am. Mostly cloudy, with a low around 58. South wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 30%.

Friday

A slight chance of rain. Cloudy through mid morning, then becoming mostly sunny, with a high near 69. North wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 20%.

Friday Night

Partly cloudy, with a low around 48. Calm wind becoming northwest 5 to 9 mph after midnight. Winds could gust as high as 18 mph.

Saturday

Mostly sunny, with a high near 61.

Saturday Night

Partly cloudy, with a low around 42.

Sunday

Mostly sunny, with a high near 61.

Sunday Night

Mostly clear, with a low around 41.

Monday

Sunny, with a high near 62.