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

61°F

16°C

Humidity	NA
Wind Speed	S 7 mph
Barometer	29.98 in (1016.4 mb)
Dewpoint	N/A
Visibility	1.50 mi
Last update	16 Oct 4:56 am EDT

More Information:

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

Extended Forecast for

North Potomac MD

Today
High: 82 °F
Slight Chance
T-storms and
Patchy Fog
then Showers
Likely
Tonight
Low: 48 °F
Showers then
Chance
Showers
Saturday
High: 53 °F
Chance
Showers then
Mostly Sunny
Saturday Night
Low: 35 °F
Clear
Sunday
High: 56 °F
Sunny
Sunday Night
Low: 39 °F
Mostly Clear
Monday
High: 59 °F
Mostly Sunny
Monday Night
Low: 43 °F
Partly Cloudy
Tuesday
High: 65 °F
Sunny

Detailed Forecast

Today

A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 82. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 48. Northwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A chance of showers, mainly before 7am. Mostly cloudy through mid morning, then becoming sunny, with a high near 53. North wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

Saturday Night

Clear, with a low around 35. North wind 6 to 10 mph.

Sunday

Sunny, with a high near 56. North wind around 6 mph.

Sunday Night

Mostly clear, with a low around 39.

Monday

Mostly sunny, with a high near 59.

Monday Night

Partly cloudy, with a low around 43.

Tuesday

Sunny, with a high near 65.