Record High Temperatures Likely Across the Mid-Atlantic; Severe Weather in the Upper Midwest and Southwest

An intense heat wave will peak across the Mid-Atlantic and I-95 Urban Corridor this weekend. Record high temperatures are likely with widespread heat indices exceeding 100 degrees. In the Midwest, severe storms capable of producing strong winds, hail, a few tornadoes and heavy rain will be possible Saturday. Additionally, strong storms will also be possible Saturday in the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

89°F

32°C

Humidity	59%
Wind Speed	Vrbl 3 mph
Barometer	30.08 in (1019.1 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	97°F (36°C)
Last update	22 Jun 10:56 am EDT

More Information:

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

Extended Forecast for

3 Miles ESE Friendship MD

Heat Advisory until June 22, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until June 22, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
Today
High: 98 °F
Scattered
T-storms
Tonight
Low: 76 °F
Scattered
T-storms then
Partly Cloudy
Sunday
High: 95 °F
Slight Chance
Showers then
Chance
T-storms
Sunday Night
Low: 71 °F
Showers
Likely
Monday
High: 87 °F
Chance
Showers
Monday Night
Low: 65 °F
Mostly Clear
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 70 °F
Partly Cloudy

Detailed Forecast

Today

Scattered showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 104. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.

Tonight

Scattered showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. South wind 3 to 7 mph. Chance of precipitation is 30%.

Sunday

A slight chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 95. Heat index values as high as 103. Southwest wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

Sunday Night

A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. West wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 87. Northwest wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

Monday Night

Mostly clear, with a low around 65.

Tuesday

Sunny, with a high near 88.

Tuesday Night

Partly cloudy, with a low around 70.

Wednesday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 50%.

Thursday

A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 30%.