Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

A Few Clouds

75°F

24°C

Humidity	74%
Wind Speed	NW 12 mph
Barometer	29.91 in (1013.9 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	23 Aug 10:56 am EDT

More Information:

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

Extended Forecast for

Damascus MD

Today
High: 78 °F
Slight Chance
T-storms
Tonight
Low: 59 °F
Mostly Clear
Monday
High: 77 °F
Sunny
Monday Night
Low: 57 °F
Clear
Tuesday
High: 79 °F
Sunny
Tuesday Night
Low: 60 °F
Mostly Clear
Wednesday
High: 82 °F
Mostly Sunny
Wednesday Night
Low: 66 °F
Partly Cloudy
then Chance
Showers
Thursday
High: 83 °F
Chance
Showers then
Showers
Likely

Detailed Forecast

Today

A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 78. West wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Tonight

Mostly clear, with a low around 59. West wind around 5 mph becoming calm in the evening.

Monday

Sunny, with a high near 77. West wind 5 to 10 mph, with gusts as high as 20 mph.

Monday Night

Clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 79. West wind 5 to 7 mph.

Tuesday Night

Mostly clear, with a low around 60.

Wednesday

Mostly sunny, with a high near 82.

Wednesday Night

A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

Thursday

A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 60%.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

Friday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.

Friday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 20%.

Saturday

Mostly sunny, with a high near 81.