Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.

Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

75°F

24°C

Humidity	66%
Wind Speed	SE 3 mph
Barometer	30.13 in (1021.1 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	19 May 2:56 am EDT

More Information:

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

Extended Forecast for

3 Miles NNW Lisbon MD

Overnight
Low: 70 °F
Mostly Clear
Tuesday
High: 95 °F
Mostly Sunny
Tuesday Night
Low: 71 °F
Partly Cloudy
Wednesday
High: 92 °F
Sunny then
Showers
Likely
Wednesday Night
Low: 56 °F
Showers
Likely
Thursday
High: 66 °F
Showers
Likely
Thursday Night
Low: 52 °F
Chance
Showers
Friday
High: 61 °F
Showers
Friday Night
Low: 50 °F
Showers

Detailed Forecast

Overnight

Mostly clear, with a low around 70. Southwest wind around 6 mph.

Tuesday

Mostly sunny, with a high near 95. West wind 5 to 8 mph.

Tuesday Night

Partly cloudy, with a low around 71. Calm wind becoming southwest around 5 mph after midnight.

Wednesday

A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 92. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 56. North wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

Thursday

Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.

Thursday Night

A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.

Friday

Showers. High near 61. Chance of precipitation is 80%.

Friday Night

Showers. Low around 50. Chance of precipitation is 80%.

Saturday

Showers. High near 67. Chance of precipitation is 80%.

Saturday Night

Showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.