Powerful Storm to Impact Eastern Third of U.S. this weekend.

A developing storm system will bring a myriad of significant impacts this weekend. Heavy snow up to 18 inches from the Ohio Valley to the Northeast, and ice up to a quarter of an inch is forecast in places. Heavy rain may cause flash flooding from the Mid-South to the Mid-Atlantic. Severe thunderstorms with damaging winds and isolated tornadoes will be possible in the Deep South. Read More >

Hazardous Weather Conditions

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Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Overcast with Haze

39°F

4°C

Humidity	76%
Wind Speed	E 7 mph
Barometer	30.14 in (1020.6 mb)
Dewpoint	32°F (0°C)
Visibility	6.00 mi
Wind Chill	34°F (1°C)
Last update	19 Jan 12:52 pm EST

More Information:

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

Extended Forecast for

Chevy Chase MD

Wind Advisory January 20, 11:00am until January 20, 07:00pm

Click here for hazard details and duration

Wind Advisory

This
Afternoon

Wintry Mix
Likely
High: 36 °F
Tonight

Rain/Snow
then Rain
Low: 35 °F⇑
Sunday

Breezy.
Chance Rain
then
Decreasing
Clouds
High: 45 °F⇓
Sunday
Night

Partly Cloudy
and Blustery
then Mostly
Clear
Low: 9 °F
M.L.King
Day

Sunny
High: 20 °F
Monday
Night

Clear
Low: 9 °F
Tuesday

Sunny
High: 33 °F
Tuesday
Night

Chance Wintry
Mix
Low: 28 °F
Wednesday

Rain Likely
High: 50 °F

Detailed Forecast

This Afternoon

A chance of rain, snow, and sleet before 4pm, then rain and snow likely. Cloudy, with a high near 36. East wind around 9 mph. Chance of precipitation is 70%. Total daytime snow and sleet accumulation of less than a half inch possible.

Tonight

Rain and snow likely before 7pm, then rain. Temperature rising to around 46 by 4am. East wind 7 to 11 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Sunday

A chance of rain before 10am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 24 by 5pm. Breezy, with a northwest wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 30%.

Sunday Night

Partly cloudy, with a low around 9. Wind chill values as low as -8. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 37 mph.

M.L.King Day

Sunny, with a high near 20. Northwest wind 16 to 18 mph, with gusts as high as 32 mph.

Monday Night

Clear, with a low around 9.

Tuesday

Sunny, with a high near 33.

Tuesday Night

A chance of rain, snow, and freezing rain. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

Wednesday

Rain likely. Cloudy, with a high near 50. Chance of precipitation is 70%.