Flooding Concerns in Puerto Rico; Thunderstorms Across the Southeast U.S.

Showers and thunderstorms capable of producing widespread heavy rainfall will be possible across much of Puerto Rico today. Heavy rainfall will likely lead to flash, urban and small stream flooding. Some areas may face life-threatening flooding. In the Southeast U.S., strong to marginally severe thunderstorms will be possible this afternoon. Read More >

En Español

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

51°F

11°C

Humidity	86%
Wind Speed	E 6 mph
Barometer	30.11 in (1020.9 mb)
Dewpoint	47°F (8°C)
Visibility	10.00 mi
Wind Chill	49°F (9°C)
Last update	19 Apr 9:56 am EDT

More Information:

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

Extended Forecast for

North Potomac MD

Today

Scattered
Showers
High: 63 °F
Tonight

Scattered
Showers
Low: 50 °F
Saturday

Decreasing
Clouds
High: 68 °F
Saturday
Night

Partly Cloudy
Low: 41 °F
Sunday

Partly Sunny
High: 60 °F
Sunday
Night

Partly Cloudy
Low: 41 °F
Monday

Sunny
High: 65 °F
Monday
Night

Mostly Clear
Low: 42 °F
Tuesday

Sunny
High: 69 °F

Detailed Forecast

Today

Patchy drizzle before noon, then scattered showers after 2pm. Cloudy, with a high near 63. Southeast wind around 8 mph. Chance of precipitation is 30%.

Tonight

Scattered showers, mainly between 9pm and 2am. Mostly cloudy, with a low around 50. Southeast wind 5 to 7 mph becoming northwest after midnight. Chance of precipitation is 50%.

Saturday

Mostly cloudy, then gradually becoming sunny, with a high near 68. West wind 9 to 15 mph, with gusts as high as 24 mph.

Saturday Night

Partly cloudy, with a low around 41. Northwest wind 6 to 10 mph.

Sunday

Partly sunny, with a high near 60. West wind 5 to 10 mph.

Sunday Night

Partly cloudy, with a low around 41.

Monday

Sunny, with a high near 65.

Monday Night

Mostly clear, with a low around 42.