Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along coastal areas from the DelMarVa Peninsula through southeastern New England. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Light Rain

36°F

2°C

Humidity	NA
Wind Speed	Vrbl 5 mph
Barometer	29.98 in (1016.9 mb)
Dewpoint	N/A
Visibility	4.00 mi
Wind Chill	32°F (0°C)
Last update	22 Feb 8:56 am EST

More Information:

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

Extended Forecast for

Olney MD

Winter Weather Advisory February 22, 05:00pm until February 23, 10:00am

Click here for hazard details and duration

Winter Weather Advisory

Today
High: 36 °F
Rain/Snow
Tonight
Low: 31 °F
Snow and
Blustery
Monday
High: 38 °F
Snow Likely
and Breezy
Monday Night
Low: 20 °F
Mostly Cloudy
and Blustery
then Mostly
Clear
Tuesday
High: 34 °F
Mostly Sunny
Tuesday Night
Low: 27 °F
Mostly Cloudy
then Chance
Snow
Wednesday
High: 49 °F
Partly Sunny
Wednesday Night
Low: 35 °F
Partly Cloudy
Thursday
High: 47 °F
Rain Likely

Detailed Forecast

Today

Rain and snow. High near 36. East wind 5 to 8 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than one inch possible.

Tonight

Snow. Low around 31. Blustery, with a north wind 13 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Monday

Snow likely, mainly before 7am. Cloudy, with a high near 38. Breezy, with a northwest wind around 23 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Monday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 20. Blustery, with a northwest wind 16 to 21 mph, with gusts as high as 29 mph.

Tuesday

Mostly sunny, with a high near 34. Northwest wind 8 to 15 mph, with gusts as high as 25 mph.

Tuesday Night

A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.

Wednesday

Partly sunny, with a high near 49.

Wednesday Night

Partly cloudy, with a low around 35.

Thursday

Rain likely, mainly after 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 60%.

Thursday Night

Rain likely, mainly before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.