Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Light Rain

61°F

16°C

Humidity	NA
Wind Speed	SE 3 mph
Barometer	30.11 in (1020.8 mb)
Dewpoint	N/A
Visibility	0.75 mi
Last update	25 May 3:56 am EDT

More Information:

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

Extended Forecast for

2 Miles ESE Rockville MD

Dense Fog Advisory until May 25, 09:00am

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory until May 25, 09:00am
NOW until 9:00am Mon
Dense Fog Advisory
Overnight
Low: 60 °F
Showers
Likely and
Areas Dense
Fog
Memorial Day
High: 75 °F
Showers and
Areas Dense
Fog
Monday Night
Low: 63 °F
Chance
Showers and
Patchy Fog
Tuesday
High: 78 °F
Chance
Showers
Tuesday Night
Low: 64 °F
Mostly Cloudy
then Chance
Showers
Wednesday
High: 79 °F
Showers
Likely
Wednesday Night
Low: 63 °F
Chance
Showers then
Mostly Cloudy
Thursday
High: 79 °F
Sunny

Detailed Forecast

Overnight

Showers likely, mainly after 5am. Areas of dense fog. Otherwise, cloudy, with a low around 60. Light southeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Memorial Day

Showers, with thunderstorms also possible after 2pm. Areas of dense fog before 10am. High near 75. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

A chance of showers and thunderstorms. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.

Tuesday

A chance of showers between 11am and 2pm. Mostly cloudy, with a high near 78. Light and variable wind. Chance of precipitation is 30%.

Tuesday Night

A chance of showers after 2am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%.

Wednesday

Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

Wednesday Night

A chance of showers before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

Thursday

Sunny, with a high near 79.

Thursday Night

Mostly clear, with a low around 56.