Severe Thunderstorm and Flash Flood Threats Continue into the Weekend

Severe thunderstorms are expected from the southern Plains to the Midwest through Friday night. Severe storm hazards may include large hail, severe winds, and tornadoes, some of which may be strong. There will be another chance for severe thunderstorms on Saturday for portions of Texas, the Lower Mississippi Valley, and the Ohio Valley. Storms could result in locally heavy rain and flash flooding. 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.

Fog/Mist

44°F

7°C

Humidity	93%
Wind Speed	SE 7 mph
Barometer	30.31 in (1026.2 mb)
Dewpoint	42°F (6°C)
Visibility	6.00 mi
Wind Chill	40°F (4°C)
Last update	7 Mar 1:52 am EST

More Information:

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

Extended Forecast for

2 Miles NNW Great Falls VA

Overnight
Low: 44 °F
Slight Chance
Showers and
Areas Fog
Saturday
High: 69 °F
Dense Fog
then Mostly
Sunny
Saturday Night
Low: 63 °F
Rain Likely
Sunday
High: 72 °F
Chance Rain
Sunday Night
Low: 45 °F
Mostly Clear
Monday
High: 72 °F
Sunny
Monday Night
Low: 50 °F
Clear
Tuesday
High: 79 °F
Sunny
Tuesday Night
Low: 60 °F
Partly Cloudy

Detailed Forecast

Overnight

A slight chance of showers between 3am and 4am. Areas of fog. Otherwise, cloudy, with a low around 44. Southeast wind around 6 mph. Chance of precipitation is 20%.

Saturday

Widespread dense fog, mainly before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 69. Light southeast wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

Saturday Night

Rain likely, mainly before 4am. Mostly cloudy, with a low around 63. Southwest wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Sunday

A chance of rain. Mostly cloudy, with a high near 72. Southwest wind 7 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 50%.

Sunday Night

Mostly clear, with a low around 45. Northwest wind around 5 mph becoming calm in the evening.

Monday

Sunny, with a high near 72.

Monday Night

Clear, with a low around 50.

Tuesday

Sunny, with a high near 79.

Tuesday Night

Partly cloudy, with a low around 60.