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

53°F

12°C

Humidity	64%
Wind Speed	E 7 mph
Barometer	30.04 in (1017.2 mb)
Dewpoint	41°F (5°C)
Visibility	10.00 mi
Wind Chill	51°F (11°C)
Last update	15 Mar 8:52 pm EDT

More Information:

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

Extended Forecast for

3 Miles NNW Catharpin VA

Tonight
Low: 55 °F⇑
Showers
Monday
High: 73 °F
Breezy.
Showers
Likely then
Severe
Thunderstorms
Monday Night
Low: 28 °F
Severe
Thunderstorms
then Showers
Likely
Tuesday
High: 40 °F
Mostly Sunny
Tuesday Night
Low: 22 °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

Tonight

Showers, with thunderstorms also possible after 5am. Temperature rising to around 63 by 5am. Southeast wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

Showers and thunderstorms likely, mainly after 3pm. Some of the storms could be severe. Cloudy, with a high near 73. Breezy, with a south wind 16 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Some of the storms could be severe. Low around 28. West wind 11 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday

Mostly sunny, with a high near 40. West wind 9 to 16 mph, with gusts as high as 26 mph.

Tuesday Night

Mostly clear, with a low around 22. Northwest wind 5 to 10 mph becoming light west after midnight. Winds could gust 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.