Tropical Storm Edouard Along the Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard off the central Gulf Coast will bring tropical storm conditions and heavy rainfall to portions of Upper Texas and southwestern Louisiana coasts Tuesday into Wednesday. Storm Surge Watches and Tropical Storm Warnings are in effect. Hot and humid conditions will continue to expand from the Central Plains into the Ohio Valley and Mid-Atlantic this week. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

76°F

24°C

Humidity	100%
Wind Speed	Calm
Barometer	30.10 in (1020.0 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	75°F (24°C)
Last update	31 Aug 8:56 pm EDT

More Information:

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

Extended Forecast for

2 Miles NW Rockville MD

Tonight
Low: 72 °F
Slight Chance
T-storms then
Mostly Cloudy
Tuesday
High: 95 °F
Mostly Sunny
then Slight
Chance
T-storms
Tuesday Night
Low: 74 °F
Chance
T-storms
Wednesday
High: 93 °F
Mostly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 74 °F
Chance
T-storms
Thursday
High: 95 °F
Sunny
Thursday Night
Low: 74 °F
Slight Chance
T-storms
Friday
High: 89 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 67 °F
Chance
T-storms

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms before 10pm. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 20%.

Tuesday

A slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 95. Heat index values as high as 100. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 20%.

Tuesday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 74. Light and variable wind. Chance of precipitation is 30%.

Wednesday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 100. Light northwest wind. Chance of precipitation is 20%.

Wednesday Night

A chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

Thursday

Sunny, with a high near 95.

Thursday Night

A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74. Chance of precipitation is 20%.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

Saturday

Mostly sunny, with a high near 83.

Saturday Night

Partly cloudy, with a low around 62.