Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

84°F

29°C

Humidity	44%
Wind Speed	S 10 G 20 mph
Barometer	30.07 in (1019.2 mb)
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	26 Aug 2:56 pm EDT

More Information:

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

Extended Forecast for

2 Miles W Clarksville MD

Tonight
Low: 69 °F
Mostly Cloudy
Thursday
High: 87 °F
Mostly Sunny
then Severe
Thunderstorms
Thursday Night
Low: 67 °F
Severe
Thunderstorms
then Chance
Showers and
Patchy Fog
Friday
High: 85 °F
Patchy Fog
then Mostly
Sunny
Friday Night
Low: 65 °F
Partly Cloudy
Saturday
High: 84 °F
Mostly Sunny
Saturday Night
Low: 66 °F
Mostly Clear
Sunday
High: 87 °F
Sunny
Sunday Night
Low: 69 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly cloudy, with a low around 69. South wind 5 to 8 mph.

Thursday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Some of the storms could be severe. Partly sunny, with a high near 87. South wind 5 to 8 mph. Chance of precipitation is 50%.

Thursday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 3am. Some of the storms could be severe. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.

Friday Night

Partly cloudy, with a low around 65. Calm wind.

Saturday

Mostly sunny, with a high near 84.

Saturday Night

Mostly clear, with a low around 66.

Sunday

Sunny, with a high near 87.

Sunday Night

Partly cloudy, with a low around 69.