Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

63°F

17°C

Humidity	NA
Wind Speed	Vrbl 6 mph
Barometer	30.08 in (1019.6 mb)
Dewpoint	N/A
Visibility	10.00 mi
Last update	21 Sep 7:56 pm EDT

More Information:

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

Extended Forecast for

2 Miles WNW Lisbon MD

Tonight
Low: 57 °F
Showers
Tuesday
High: 60 °F
Showers and
Patchy Fog
Tuesday Night
Low: 52 °F
Showers
Wednesday
High: 63 °F
Rain Likely
Wednesday Night
Low: 50 °F
Slight Chance
Rain
Thursday
High: 64 °F
Mostly Sunny
Thursday Night
Low: 47 °F
Mostly Cloudy
Friday
High: 63 °F
Mostly Sunny
Friday Night
Low: 50 °F
Partly Cloudy

Detailed Forecast

Tonight

Showers and possibly a thunderstorm. Low around 57. East wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

Showers and possibly a thunderstorm. Patchy fog. High near 60. Northeast wind around 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

Showers, mainly before 11pm, then rain likely after 2am. Low around 52. Northeast wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

Rain likely, mainly before 8am. Cloudy, with a high near 63. Northeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

A slight chance of rain before 2am. Mostly cloudy, with a low around 50. Northeast wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Thursday

Mostly sunny, with a high near 64.

Thursday Night

Mostly cloudy, with a low around 47.

Friday

Mostly sunny, with a high near 63.

Friday Night

Partly cloudy, with a low around 50.

Saturday

Mostly sunny, with a high near 64.

Saturday Night

Partly cloudy, with a low around 50.