Threats of Heavy Rainfall, Severe Thunderstorms and Dangerous Heat

Several complexes of thunderstorms, some severe with heavy rainfall, will impact areas from the northern Plains, Great Lakes, Ohio Valley to the mid-Atlantic. This threat will shift toward the Carolinas on Friday. Heavy rainfall, remnants of Edouard, continues for portions of eastern Texas through today. In-between these systems, a dome of high pressure and heat for central and eastern states. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast with Haze

72°F

22°C

Humidity	NA
Wind Speed	Calm
Barometer	30.10 in (1020.3 mb)
Dewpoint	N/A
Visibility	4.00 mi
Last update	3 Sep 6:56 am EDT

More Information:

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

Extended Forecast for

Aspen Hill MD

Today
High: 93 °F
Isolated
T-storms then
Showers
Likely
Tonight
Low: 74 °F
Showers
Likely then
Scattered
Showers
Friday
High: 91 °F
Isolated
Showers then
Showers
Likely
Friday Night
Low: 70 °F
Showers
Likely
Saturday
High: 82 °F
Mostly Sunny
then Slight
Chance
Showers
Saturday Night
Low: 63 °F
Partly Cloudy
Sunday
High: 81 °F
Sunny
Sunday Night
Low: 61 °F
Mostly Clear
Labor Day
High: 81 °F
Sunny

Detailed Forecast

Today

Isolated showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 93. Light and variable wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers likely and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms after 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 74. West wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly sunny, with a high near 91. Northwest wind 5 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely and possibly a thunderstorm before 8pm, then scattered showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 70. Northwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A slight chance of showers after 2pm. Mostly sunny, with a high near 82. North wind around 8 mph. Chance of precipitation is 20%.

Saturday Night

Partly cloudy, with a low around 63.

Sunday

Sunny, with a high near 81.

Sunday Night

Mostly clear, with a low around 61.

Labor Day

Sunny, with a high near 81.

Monday Night

Partly cloudy, with a low around 62.