Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

72°F

22°C

Humidity	94%
Wind Speed	Calm
Barometer	30.08 in (1019.4 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	19 May 10:56 pm EDT

More Information:

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

Extended Forecast for

Damascus MD

Tonight
Low: 71 °F
Mostly Clear
Wednesday
High: 89 °F
Sunny then
Showers
Wednesday Night
Low: 55 °F
Showers
Likely
Thursday
High: 63 °F
Showers
Likely
Thursday Night
Low: 51 °F
Chance
Showers
Friday
High: 61 °F
Showers
Friday Night
Low: 50 °F
Showers
Saturday
High: 64 °F
Showers
Saturday Night
Low: 56 °F
Showers
Likely

Detailed Forecast

Tonight

Mostly cloudy early, then becoming mostly clear, with a low around 71. Southwest wind 3 to 5 mph.

Wednesday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 89. West wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 55. North wind 5 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

Showers likely and possibly a thunderstorm before 2pm, then a chance of showers. Cloudy, with a high near 63. Northeast wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers, mainly after 2am. Mostly cloudy, with a low around 51. Northeast wind 5 to 7 mph. Chance of precipitation is 50%.

Friday

Showers, mainly after 8am. High near 61. Chance of precipitation is 80%.

Friday Night

Showers. Low around 50. Chance of precipitation is 80%.

Saturday

Showers. High near 64. Chance of precipitation is 80%.

Saturday Night

Showers likely, mainly before 2am. Cloudy, with a low around 56. Chance of precipitation is 60%.

Sunday

A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.