Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from February 22, 05:00 PM EST until February 23, 10:00 AM EST

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

38°F

3°C

Humidity	70%
Wind Speed	Calm
Barometer	30.03 in (1018.4 mb)
Dewpoint	29°F (-2°C)
Visibility	10.00 mi
Last update	22 Feb 1:56 am EST

More Information:

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

Extended Forecast for

Gaithersburg MD

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

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 36 °F
Chance Rain
Sunday
High: 37 °F
Rain/Snow
Sunday Night
Low: 31 °F
Rain/Snow
then Snow
Monday
High: 38 °F
Snow Likely
and Breezy
Monday Night
Low: 21 °F
Mostly Cloudy
and Blustery
then Partly
Cloudy
Tuesday
High: 35 °F
Mostly Sunny
Tuesday Night
Low: 27 °F
Mostly Cloudy
then Chance
Snow
Wednesday
High: 51 °F
Partly Sunny
Wednesday Night
Low: 36 °F
Partly Cloudy

Detailed Forecast

Overnight

A chance of rain after 3am. Cloudy, with a low around 36. Calm wind. Chance of precipitation is 40%.

Sunday

Snow, possibly mixed with rain. High near 37. Light and variable wind becoming north 5 to 8 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Sunday Night

Snow, possibly mixed with rain, becoming all snow after 8pm. Low around 31. North wind 11 to 18 mph, with gusts as high as 30 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 20 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Monday Night

Partly cloudy, with a low around 21. Blustery, with a northwest wind 16 to 20 mph, with gusts as high as 29 mph.

Tuesday

Mostly sunny, with a high near 35.

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 51.

Wednesday Night

Partly cloudy, with a low around 36.

Thursday

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