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

2 Miles NNW Colesville MD

Today
High: 71 °F
Showers
Likely then
Severe
Thunderstorms
and Breezy
Tonight
Low: 28 °F
Breezy.
Severe
Thunderstorms
then Slight
Chance
Rain/Snow
Tuesday
High: 40 °F
Mostly Sunny
Tuesday Night
Low: 24 °F
Mostly Clear
Wednesday
High: 38 °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 2pm, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could be severe. Mostly cloudy, with a high near 71. Breezy, with a south wind 13 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

Rain showers, possibly mixing with snow after midnight, then gradually ending. The rain could be heavy at times. Some thunder is also possible. Low around 28. Breezy, with a west wind 16 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Tuesday

Mostly sunny, 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 24. West wind 5 to 10 mph, with gusts as high as 20 mph.

Wednesday

Partly sunny, with a high near 38. 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.