Flash Flood Watches in Southeast and Tennessee Valley; Critical Fire Weather in California; Severe Weather in Upper Midwest

Flash flood watches are in effect today in parts of the Southeast and Tennessee Valley from organized areas of heavy to excessive rainfall. Meanwhile, critical fire weather conditions are likely across northern California with offshore winds and dry conditions. Finally, a strong cold front will produce severe thunderstorms across the Upper to Mid Mississippi Valley. Read More >

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Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

75°F

24°C

Humidity	58%
Wind Speed	Vrbl 5 mph
Barometer	30.28 in (1026.6 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Last update	20 Sep 4:56 pm EDT

More Information:

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

Extended Forecast for

4 Miles SSW Boyds MD

Tonight

Mostly Cloudy
Low: 60 °F
Tuesday

Slight Chance
Showers
High: 79 °F
Tuesday
Night

Chance
Showers
Low: 67 °F
Wednesday

Showers
Likely
High: 79 °F
Wednesday
Night

Showers
Low: 61 °F
Thursday

Showers
Likely
High: 72 °F
Thursday
Night

Chance
T-storms then
Chance
Showers
Low: 52 °F
Friday

Sunny
High: 70 °F
Friday
Night

Mostly Clear
Low: 50 °F

Detailed Forecast

Tonight

Mostly cloudy, with a low around 60. East wind 3 to 8 mph.

Tuesday

A slight chance of showers. Mostly cloudy, with a high near 79. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.

Tuesday Night

A chance of showers, mainly after 2am. Mostly cloudy, with a low around 67. Southeast wind around 8 mph. Chance of precipitation is 40%.

Wednesday

Showers likely, mainly after 8am. Mostly cloudy, with a high near 79. Southeast wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night

Showers, with thunderstorms also possible after 2am. Low around 61. South wind around 11 mph becoming southwest after midnight. Chance of precipitation is 80%.

Thursday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.

Thursday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

Friday

Sunny, with a high near 70.

Friday Night

Mostly clear, with a low around 50.

Saturday

Sunny, with a high near 74.

Saturday Night

Partly cloudy, with a low around 54.

Sunday

Sunny, with a high near 73.

Sunday Night

Mostly clear, with a low around 52.