Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fog/Mist

59°F

15°C

Humidity	100%
Wind Speed	SE 6 mph
Barometer	30.09 in (1020.1 mb)
Dewpoint	59°F (15°C)
Visibility	5.00 mi
Last update	16 Oct 12:56 am EDT

More Information:

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

Extended Forecast for

4 Miles W North Potomac MD

Overnight
Low: 58 °F
Chance
Showers
Friday
High: 81 °F
Patchy Fog
then Chance
T-storms
Friday Night
Low: 47 °F
Showers
Likely
Saturday
High: 54 °F
Decreasing
Clouds and
Breezy
Saturday Night
Low: 35 °F
Mostly Clear
Sunday
High: 57 °F
Sunny
Sunday Night
Low: 38 °F
Mostly Clear
Monday
High: 61 °F
Sunny
Monday Night
Low: 42 °F
Mostly Clear

Detailed Forecast

Overnight

A chance of showers, mainly before 4am. Cloudy, with a low around 58. South wind around 7 mph. Chance of precipitation is 30%.

Friday

A slight chance of showers before 8am, then a chance of showers and thunderstorms after 5pm. Patchy fog between 7am and 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. South wind 9 to 11 mph. Chance of precipitation is 30%.

Friday Night

Showers and thunderstorms likely before 2am, then a chance of showers. Increasing clouds, with a low around 47. Northwest wind 15 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

Mostly cloudy, then gradually becoming sunny, with a high near 54. Breezy, with a north wind 21 to 24 mph, with gusts as high as 37 mph.

Saturday Night

Mostly clear, with a low around 35. North wind 6 to 11 mph.

Sunday

Sunny, with a high near 57.

Sunday Night

Mostly clear, with a low around 38.

Monday

Sunny, with a high near 61.

Monday Night

Mostly clear, with a low around 42.