Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to develop off the southeast U.S. coast tonight and is expected to strengthen and bring flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

54°F

12°C

Humidity	80%
Wind Speed	Vrbl 3 mph
Barometer	30.32 in (1028.2 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	10 Oct 7:56 pm EDT

More Information:

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

Extended Forecast for

Rockville MD

Tonight
Low: 51 °F
Cloudy
Saturday
High: 69 °F
Cloudy then
Slight Chance
Showers
Saturday Night
Low: 59 °F
Showers
Likely
Sunday
High: 64 °F
Showers
Sunday Night
Low: 55 °F
Showers
Likely
Columbus Day
High: 60 °F
Showers
Likely
Monday Night
Low: 53 °F
Chance
Showers
Tuesday
High: 66 °F
Partly Sunny
Tuesday Night
Low: 53 °F
Partly Cloudy

Detailed Forecast

Tonight

Cloudy, with a low around 51. Southeast wind around 5 mph becoming calm in the evening.

Saturday

A slight chance of showers after 3pm. Cloudy, with a high near 69. East wind 3 to 8 mph. Chance of precipitation is 20%.

Saturday Night

Showers likely, mainly after 2am. Cloudy, with a low around 59. Northeast wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday

Showers. High near 64. Northeast wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Showers likely. Mostly cloudy, with a low around 55. North wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.

Columbus Day

Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.

Monday Night

A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.

Tuesday

Partly sunny, with a high near 66.

Tuesday Night

Partly cloudy, with a low around 53.

Wednesday

Mostly sunny, with a high near 69.