Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

44°F

7°C

Humidity	38%
Wind Speed	E 7 mph
Barometer	30.30 in (1026.0 mb)
Dewpoint	20°F (-7°C)
Visibility	10.00 mi
Wind Chill	40°F (4°C)
Last update	15 Mar 3:52 am EDT

More Information:

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

Extended Forecast for

3 Miles WNW Catharpin VA

Overnight
Low: 39 °F
Mostly Cloudy
Sunday
High: 59 °F
Mostly Cloudy
Sunday Night
Low: 52 °F
Showers
Monday
High: 71 °F
Severe
Thunderstorms
then Severe
Thunderstorms
and Breezy
Monday Night
Low: 28 °F
Rain/Snow
Tuesday
High: 39 °F
Mostly Sunny
Tuesday Night
Low: 22 °F
Mostly Clear
Wednesday
High: 41 °F
Partly Sunny
Wednesday Night
Low: 28 °F
Mostly Cloudy

Detailed Forecast

Overnight

Mostly cloudy, with a low around 39. Light east wind.

Sunday

Mostly cloudy, with a high near 59. Southeast wind 6 to 13 mph, with gusts as high as 25 mph.

Sunday Night

Showers, mainly before 1am. Low around 52. Southeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday

Showers likely, then showers and possibly a thunderstorm after 11am. Some of the storms could be severe. High near 71. Breezy, with a south wind 15 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. 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. Low around 28. West wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Tuesday

Mostly sunny, with a high near 39.

Tuesday Night

Mostly clear, with a low around 22.

Wednesday

Partly sunny, with a high near 41.

Wednesday Night

Mostly cloudy, with a low around 28.

Thursday

Partly sunny, with a high near 54.

Thursday Night

Mostly cloudy, with a low around 36.