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

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

90°F

32°C

Humidity	59%
Wind Speed	Vrbl 7 mph
Barometer	30.13 in (1021.1 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	99°F (37°C)
Last update	7 Aug 1:56 pm EDT

More Information:

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

Extended Forecast for

Gaithersburg MD

Severe T-storm Watch until August 7, 09:00pm

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until August 7, 09:00pm
NOW until 9:00pm Fri
Severe T-storm Watch
This Afternoon
High: 90 °F
Severe
Thunderstorms
Tonight
Low: 71 °F
Severe
Thunderstorms
then Patchy
Fog
Saturday
High: 89 °F
Patchy Fog
then Chance
T-storms
Saturday Night
Low: 72 °F
Chance
T-storms then
Partly Cloudy
Sunday
High: 89 °F
Mostly Sunny
Sunday Night
Low: 71 °F
Mostly Clear
Monday
High: 91 °F
Sunny
Monday Night
Low: 73 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms, mainly after 3pm. Some of the storms could be severe. Partly sunny, with a high near 90. Southwest wind around 7 mph. Chance of precipitation is 30%.

Tonight

Showers and thunderstorms likely, mainly before 8pm. Some of the storms could be severe. Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 71. Light southwest wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, sunny, then becoming partly sunny during the afternoon, with a high near 89. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Light southwest wind. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 89. Calm wind becoming west 5 to 7 mph in the morning.

Sunday Night

Mostly clear, with a low around 71.

Monday

Sunny, with a high near 91.

Monday Night

Partly cloudy, with a low around 73.

Tuesday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 20%.

Tuesday Night

A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.

Wednesday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Chance of precipitation is 50%.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

Thursday

A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.