Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

57°F

14°C

Humidity	74%
Wind Speed	SE 5 mph
Barometer	29.99 in (1017.1 mb)
Dewpoint	49°F (9°C)
Visibility	10.00 mi
Last update	21 Nov 2:56 pm EST

More Information:

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

Extended Forecast for

Derwood MD

Tonight
Low: 47 °F
Rain Likely
then Rain
Saturday
High: 55 °F
Chance
Showers then
Mostly Sunny
Saturday Night
Low: 31 °F
Partly Cloudy
Sunday
High: 57 °F
Sunny
Sunday Night
Low: 35 °F
Mostly Clear
Monday
High: 55 °F
Sunny
Monday Night
Low: 39 °F
Mostly Cloudy
Tuesday
High: 55 °F
Chance Rain
Tuesday Night
Low: 49 °F
Chance Rain

Detailed Forecast

Tonight

Rain, mainly after 11pm. Low around 47. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Saturday

A chance of showers, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 55. North wind around 7 mph. Chance of precipitation is 40%.

Saturday Night

Partly cloudy, with a low around 31. Light north wind.

Sunday

Sunny, with a high near 57. Calm wind becoming west 5 to 7 mph in the morning.

Sunday Night

Mostly clear, with a low around 35. Northwest wind 3 to 6 mph.

Monday

Sunny, with a high near 55.

Monday Night

Mostly cloudy, with a low around 39.

Tuesday

A chance of rain. Cloudy, with a high near 55. Chance of precipitation is 40%.