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

Rockville MD

Today
High: 71 °F
Showers
Likely then
Severe
Thunderstorms
and Breezy
Tonight
Low: 29 °F
Severe
Thunderstorms
and Blustery
Tuesday
High: 40 °F
Increasing
Clouds
Tuesday Night
Low: 25 °F
Mostly Clear
Wednesday
High: 39 °F
Partly Sunny
Wednesday Night
Low: 29 °F
Mostly Cloudy
Thursday
High: 51 °F
Partly Sunny
Thursday Night
Low: 37 °F
Mostly Cloudy
Friday
High: 60 °F
Mostly Sunny

Detailed Forecast

Today

Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe and produce heavy rainfall. Cloudy, with a high near 71. Breezy, with a south wind 14 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

Showers and possibly a thunderstorm before 11pm, then a chance of showers between 11pm and midnight. Some of the storms could be severe and produce heavy rainfall. Low around 29. Blustery, with a west wind 18 to 25 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday

Increasing clouds, with a high near 40. West wind around 15 mph, with gusts as high as 26 mph.

Tuesday Night

Mostly clear, with a low around 25. West wind 5 to 10 mph, with gusts as high as 20 mph.

Wednesday

Partly sunny, with a high near 39. Calm wind becoming south around 6 mph in the afternoon.

Wednesday Night

Mostly cloudy, with a low around 29.

Thursday

Partly sunny, with a high near 51.

Thursday Night

Mostly cloudy, with a low around 37.