Major Winter Storm Ongoing in the Upper Midwest and Great Lakes; Severe Weather Along the East Coast

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through today across the Upper Midwest and Upper Great Lakes. Widespread severe storms are expected across the entire eastern U.S. with the highest threat over the interior Mid-Atlantic, where there is a risk for damaging wind gusts and a few tornadoes. Heat continues to build in the West. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Light Rain

62°F

17°C

Humidity	86%
Wind Speed	S 12 G 24 mph
Barometer	29.44 in (996.7 mb)
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Last update	16 Mar 2:52 pm EDT

More Information:

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

Extended Forecast for

2 Miles SSW Great Falls VA

This Afternoon
High: 71 °F
Severe
Thunderstorms
Tonight
Low: 29 °F
Rain/Snow and
Breezy then
Partly Cloudy
Tuesday
High: 40 °F
Mostly Sunny
Tuesday Night
Low: 25 °F
Mostly Clear
Wednesday
High: 41 °F
Partly Sunny
Wednesday Night
Low: 30 °F
Partly Cloudy
Thursday
High: 52 °F
Mostly Cloudy
Thursday Night
Low: 38 °F
Mostly Cloudy
Friday
High: 61 °F
Partly Sunny

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. Cloudy, with a high near 71. South wind around 18 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Rain showers, possibly mixing with snow after 11pm, then gradually ending. Some thunder is also possible. Low around 29. Breezy, with a west wind 16 to 21 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Tuesday

Mostly sunny, with a high near 40. West wind 11 to 14 mph, with gusts as high as 25 mph.

Tuesday Night

Mostly clear, with a low around 25. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Wednesday

Partly sunny, with a high near 41. Calm wind becoming south around 6 mph in the afternoon.

Wednesday Night

Partly cloudy, with a low around 30.

Thursday

Mostly cloudy, with a high near 52.

Thursday Night

Mostly cloudy, with a low around 38.