Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

61°F

16°C

Humidity	NA
Wind Speed	SE 13 mph
Barometer	29.68 in (1006.5 mb)
Dewpoint	N/A
Visibility	8.00 mi
Last update	16 Mar 5:56 am EDT

More Information:

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

Extended Forecast for

Damascus MD

Today
High: 69 °F
Breezy.
Chance
Showers then
Severe
Thunderstorms
Tonight
Low: 27 °F
Wintry Mix
and Blustery
then Mostly
Clear
Tuesday
High: 38 °F
Mostly Sunny
Tuesday Night
Low: 23 °F
Mostly Clear
Wednesday
High: 37 °F
Partly Sunny
Wednesday Night
Low: 29 °F
Mostly Cloudy
Thursday
High: 49 °F
Partly Sunny
Thursday Night
Low: 37 °F
Mostly Cloudy
Friday
High: 58 °F
Partly Sunny

Detailed Forecast

Today

Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. Cloudy, with a high near 69. Breezy, with a south wind 15 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

Rain showers, possibly mixed with sleet before 11pm, then a chance of rain and snow showers between 11pm and midnight. The rain could be heavy at times. Some thunder is also possible. Low around 27. Blustery, with a west wind 17 to 24 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. Little or no snow and sleet accumulation expected.

Tuesday

Mostly sunny, with a high near 38. West wind 15 to 18 mph, with gusts as high as 30 mph.

Tuesday Night

Mostly clear, with a low around 23. West wind 5 to 11 mph, with gusts as high as 20 mph.

Wednesday

Partly sunny, with a high near 37. Light and variable wind becoming south 5 to 7 mph in the afternoon.

Wednesday Night

Mostly cloudy, with a low around 29.

Thursday

Partly sunny, with a high near 49.

Thursday Night

Mostly cloudy, with a low around 37.