Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

60°F

16°C

Humidity	93%
Wind Speed	SE 13 G 22 mph
Barometer	29.75 in (1007.3 mb)
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Last update	16 Mar 2:52 am EDT

More Information:

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

Extended Forecast for

5 Miles NW Catharpin VA

Overnight
Low: 54 °F
Chance
Showers
Monday
High: 72 °F
Breezy.
Showers
Likely then
Severe
Thunderstorms
Monday Night
Low: 28 °F
Rain/Snow
Tuesday
High: 39 °F
Increasing
Clouds
Tuesday Night
Low: 23 °F
Mostly Clear
Wednesday
High: 41 °F
Partly Sunny
Wednesday Night
Low: 27 °F
Mostly Cloudy
Thursday
High: 52 °F
Partly Sunny
Thursday Night
Low: 36 °F
Mostly Cloudy

Detailed Forecast

Overnight

A chance of showers, with thunderstorms also possible after 5am. Cloudy, with a low around 54. South wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

Monday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe and produce heavy rainfall. High near 72. Breezy, with a south wind 17 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

Rain showers, possibly mixing with snow after 11pm, then gradually ending. The rain could be heavy at times. Some thunder is also possible. Low around 28. West wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Tuesday

Increasing clouds, with a high near 39. West wind 10 to 15 mph, with gusts as high as 29 mph.

Tuesday Night

Mostly clear, with a low around 23. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.

Wednesday

Partly sunny, with a high near 41.

Wednesday Night

Mostly cloudy, with a low around 27.

Thursday

Partly sunny, with a high near 52.

Thursday Night

Mostly cloudy, with a low around 36.