Showers and Storms in the East; Dangerously Hot and Dry in the West

A frontal boundary will bring scattered showers and storms to portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Intermountain West and expand into the Central U.S. by early next week. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in the Northwest. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

80°F

27°C

Humidity	87%
Wind Speed	Vrbl 3 mph
Barometer	30.12 in (1020.6 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	5 Aug 9:56 pm EDT

More Information:

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

Extended Forecast for

Lisbon MD

Tonight
Low: 70 °F
Slight Chance
T-storms then
Mostly Clear
Thursday
High: 88 °F
Sunny then
Showers
Likely
Thursday Night
Low: 70 °F
Showers
Likely then
Partly Cloudy
Friday
High: 86 °F
Mostly Sunny
then Showers
Likely
Friday Night
Low: 68 °F
Showers
Likely
Saturday
High: 86 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 69 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 87 °F
Mostly Sunny
Sunday Night
Low: 69 °F
Mostly Clear

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 70. Light south wind. Chance of precipitation is 20%.

Thursday

Showers likely and possibly a thunderstorm after 2pm. Sunny, with a high near 88. South wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms between 8pm and 11pm. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 60%.

Saturday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.

Saturday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 87.

Sunday Night

Mostly clear, with a low around 69.

Monday

Mostly sunny, with a high near 89.

Monday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 20%.