Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

81°F

27°C

Humidity	41%
Wind Speed	S 12 G 18 mph
Barometer	30.00 in (1016.8 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	31 Mar 3:56 pm EDT

More Information:

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

Extended Forecast for

Sandy Spring MD

This Afternoon
High: 83 °F
Scattered
Showers and
Breezy
Tonight
Low: 64 °F
Partly Cloudy
Wednesday
High: 84 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 56 °F
Showers
Likely
Thursday
High: 67 °F
Mostly Cloudy
then Chance
Showers
Thursday Night
Low: 53 °F
Chance
Showers then
Partly Cloudy
Friday
High: 80 °F
Mostly Sunny
Friday Night
Low: 63 °F
Mostly Cloudy
Saturday
High: 84 °F
Mostly Sunny
then Chance
Showers

Detailed Forecast

This Afternoon

Isolated showers, then scattered showers and thunderstorms after 5pm. Partly sunny, with a high near 83. Breezy, with a southwest wind around 21 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

Tonight

Partly cloudy, with a low around 64. Southwest wind 11 to 13 mph, with gusts as high as 22 mph.

Wednesday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. West wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

Wednesday Night

Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Mostly cloudy, with a low around 56. East wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

A slight chance of showers before 8am, then a chance of showers after 2pm. Mostly cloudy, with a high near 67. Southeast wind 6 to 9 mph. Chance of precipitation is 40%.

Thursday Night

A chance of showers before 8pm. Partly cloudy, with a low around 53. Chance of precipitation is 30%.

Friday

Mostly sunny, with a high near 80.

Friday Night

Mostly cloudy, with a low around 63.

Saturday

A chance of showers after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.

Saturday Night

A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

Sunday

Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.