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 >

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Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Light Rain

11°C

52°F

Humidity	93%
Wind Speed	SE 20 km/h
Barometer	1019.3 mb (30.06 in)
Dewpoint	10°C (50°F)
Visibility	16 km
Wind Chill	9°C (48°F)
Last update	19 Apr 2:56 pm EDT

More Information:

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

Extended Forecast for

Dayton MD

This
Afternoon

Scattered
Showers
High: 16 °C
Tonight

Scattered
Showers
Low: 11 °C
Saturday

Gradual
Clearing
High: 19 °C
Saturday
Night

Mostly Clear
Low: 3 °C
Sunday

Partly Sunny
High: 14 °C
Sunday
Night

Partly Cloudy
Low: 4 °C
Monday

Sunny
High: 17 °C
Monday
Night

Clear
Low: 4 °C
Tuesday

Sunny
High: 19 °C

Detailed Forecast

This Afternoon

Scattered showers. Cloudy, with a high near 16. Southeast wind around 14 km/h. Chance of precipitation is 50%.

Tonight

Scattered showers, mainly between 10pm and 5am. Cloudy, with a low around 11. Southeast wind 8 to 11 km/h becoming northwest after midnight. Chance of precipitation is 50%.

Saturday

Cloudy through mid morning, then gradual clearing, with a high near 19. West wind 16 to 26 km/h, with gusts as high as 40 km/h.

Saturday Night

Mostly clear, with a low around 3. Northwest wind 11 to 18 km/h, with gusts as high as 29 km/h.

Sunday

Partly sunny, with a high near 14. West wind 8 to 18 km/h.

Sunday Night

Partly cloudy, with a low around 4.

Monday

Sunny, with a high near 17.

Monday Night

Clear, with a low around 4.