Hot Temperatures in the West; Heavy Rainfall and Flooding Potential in the Southwest

Hot to extremely hot temperatures are in place across coastal southern California again today and the interior Northwest U.S into Thursday, with the Pacific Northwest carrying the potential for record-breaking high temperatures. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring heavy rainfall and the potential for flooding through the week. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

70°F

21°C

Humidity	66%
Wind Speed	W 3 mph
Barometer	30.01 in (1017.3 mb)
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Last update	3 Sep 9:56 am EDT

More Information:

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

Extended Forecast for

Rossmoor MD

Today
High: 80 °F
Mostly Sunny
Tonight
Low: 61 °F
Mostly Clear
Thursday
High: 85 °F
Sunny then
Chance
T-storms
Thursday Night
Low: 62 °F
Chance
T-storms then
Chance
Showers
Friday
High: 86 °F
Sunny
Friday Night
Low: 68 °F
Mostly Clear
Saturday
High: 85 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 58 °F
Chance
T-storms then
Chance
Showers
Sunday
High: 73 °F
Mostly Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon.

Tonight

Mostly clear, with a low around 61. South wind around 6 mph.

Thursday

A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 85. South wind 6 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 62. South wind 3 to 7 mph. Chance of precipitation is 30%.

Friday

Sunny, with a high near 86. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

Friday Night

Mostly clear, with a low around 68.

Saturday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 73.

Sunday Night

Mostly clear, with a low around 53.

Monday

Sunny, with a high near 74.

Monday Night

Partly cloudy, with a low around 54.

Tuesday

Mostly sunny, with a high near 75.