Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

79°F

26°C

Humidity	50%
Wind Speed	S 8 mph
Barometer	29.96 in (1015.4 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	18 Apr 12:56 pm EDT

More Information:

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

Extended Forecast for

Derwood MD

This Afternoon
High: 83 °F
Mostly Sunny
Tonight
Low: 49 °F
Scattered
Showers
Sunday
High: 58 °F
Showers then
Isolated
Showers
Sunday Night
Low: 41 °F
Mostly Clear
Monday
High: 53 °F
Isolated
Showers
Monday Night
Low: 31 °F
Mostly Clear
Tuesday
High: 59 °F
Sunny
Tuesday Night
Low: 48 °F
Partly Cloudy
Wednesday
High: 72 °F
Mostly Sunny
then Chance
Showers

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 83. Southeast wind 6 to 11 mph, with gusts as high as 21 mph.

Tonight

Scattered showers, mainly after 2am. Mostly cloudy, with a low around 49. Southeast wind 5 to 11 mph becoming northeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

Sunday

Showers, mainly before noon. High near 58. Northwest wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday Night

Mostly clear, with a low around 41. Northwest wind 5 to 7 mph.

Monday

Isolated showers before 2pm. Mostly sunny, with a high near 53. Northwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Monday Night

Mostly clear, with a low around 31.

Tuesday

Sunny, with a high near 59.

Tuesday Night

Partly cloudy, with a low around 48.

Wednesday

A chance of showers after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 30%.

Wednesday Night

A chance of showers before 8pm. Partly cloudy, with a low around 49. Chance of precipitation is 30%.

Thursday

Sunny, with a high near 75.