Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

15°F

-9°C

Humidity	59%
Wind Speed	Vrbl 3 mph
Barometer	30.22 in (1025.9 mb)
Dewpoint	3°F (-16°C)
Visibility	10.00 mi
Last update	31 Jan 8:56 am EST

More Information:

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

Extended Forecast for

Ashton MD

Cold Weather Advisory January 31, 10:00pm until February 1, 01:00pm

Cold Weather Advisory January 31, 09:07am until January 31, 11:00am

Click here for hazard details and duration

Cold Weather Advisory

...

Cold Weather Advisory January 31, 09:07am until January 31, 11:00am
NOW until 11:00am Sat
Cold Weather Advisory
Today
High: 19 °F
Mostly Cloudy
Tonight
Low: 9 °F
Mostly Cloudy
Sunday
High: 25 °F
Mostly Sunny
and Blustery
Sunday Night
Low: 13 °F
Mostly Clear
Monday
High: 31 °F
Sunny
Monday Night
Low: 16 °F
Partly Cloudy
Tuesday
High: 35 °F
Mostly Sunny
Tuesday Night
Low: 22 °F
Mostly Cloudy
then Chance
Snow

Detailed Forecast

Today

Mostly cloudy, with a high near 19. North wind 5 to 9 mph, with gusts as high as 18 mph.

Tonight

Mostly cloudy, with a low around 9. Wind chill values as low as -8. North wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 31 mph.

Sunday

Mostly sunny, with a high near 25. Wind chill values as low as -8. Blustery, with a northwest wind 18 to 20 mph, with gusts as high as 36 mph.

Sunday Night

Mostly clear, with a low around 13. Wind chill values as low as -1. Northwest wind around 15 mph, with gusts as high as 29 mph.

Monday

Sunny, with a high near 31. Northwest wind 9 to 13 mph, with gusts as high as 28 mph.

Monday Night

Partly cloudy, with a low around 16.

Tuesday

Mostly sunny, with a high near 35.

Tuesday Night

A chance of snow after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.