Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

7°F

-14°C

Humidity	60%
Wind Speed	W 6 mph
Barometer	30.12 in (1022.4 mb)
Dewpoint	-4°F (-20°C)
Visibility	10.00 mi
Wind Chill	-4°F (-20°C)
Last update	29 Jan 1:56 am EST

More Information:

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

Extended Forecast for

Rockville MD

Cold Weather Advisory January 29, 07:00pm until January 30, 11:00am

Cold Weather Advisory January 29, 02:02am until January 29, 11:00am

Click here for hazard details and duration

Cold Weather Advisory

Cold Weather Advisory January 29, 02:02am until January 29, 11:00am
NOW until 11:00am Thu
Cold Weather Advisory
Overnight
Low: 5 °F
Mostly Clear
Thursday
High: 21 °F
Sunny
Thursday Night
Low: 3 °F
Mostly Clear
Friday
High: 20 °F
Mostly Sunny
Friday Night
Low: 6 °F
Mostly Cloudy
Saturday
High: 19 °F
Mostly Cloudy
then Slight
Chance Snow
Saturday Night
Low: 10 °F
Chance Snow
Sunday
High: 23 °F
Mostly Cloudy
and Blustery