Major Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold in the North-Central U.S.

A large, long-duration winter storm is expected to bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies/Plains into the Mid-South beginning Friday, spreading eastward to the Mid-Atlantic and New England this weekend. An Arctic front will bring frigid temperatures and gusty winds that will lead to dangerous wind chills from the Northern Plains and Upper Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

52°F

11°C

Humidity	26%
Wind Speed	W 14 G 21 mph
Barometer	30.05 in (1019.3 mb)
Dewpoint	18°F (-8°C)
Visibility	10.00 mi
Wind Chill	47°F (8°C)
Last update	22 Jan 12:56 pm EST

More Information:

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

Extended Forecast for

Dayton MD

Winter Storm Watch January 24, 04:00pm until January 26, 04:00am

Cold Weather Advisory January 23, 08:00pm until January 24, 10:00am

Click here for hazard details and duration

Winter Storm Watch

Cold Weather Advisory

This Afternoon
High: 46 °F
Mostly Sunny
Tonight
Low: 27 °F
Decreasing
Clouds
Friday
High: 40 °F
Partly Sunny
Friday Night
Low: 7 °F
Partly Cloudy
and Blustery
then Partly
Cloudy
Saturday
High: 18 °F
Partly Sunny
then Slight
Chance Snow
Saturday Night
Low: 14 °F
Heavy Snow
Sunday
High: 23 °F
Snow/Sleet
Sunday Night
Low: 17 °F
Sleet then
Snow/Sleet
Monday
High: 23 °F
Chance Snow

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 46. West wind 13 to 16 mph, with gusts as high as 25 mph.

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Northwest wind 3 to 7 mph.

Friday

Partly sunny, with a high near 40. West wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 25 mph.

Friday Night

Partly cloudy, with a low around 7. Wind chill values as low as -8. Blustery, with a northwest wind 14 to 23 mph, with gusts as high as 32 mph.

Saturday

A slight chance of snow after 1pm. Mostly cloudy, with a high near 18. North wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Saturday Night

Snow. The snow could be heavy at times. Low around 14. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Sunday

Sleet, possibly mixed with snow. The sleet could be heavy at times. High near 23. Chance of precipitation is 100%.

Sunday Night

Sleet before 1am, then a chance of snow. Low around 17. Chance of precipitation is 80%.

Monday

A chance of snow before 1pm. Partly sunny, with a high near 23. Chance of precipitation is 30%.

Monday Night

Mostly clear, with a low around 3.

Tuesday

Sunny, with a high near 20.