Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

63°F

17°C

Humidity	87%
Wind Speed	Calm
Barometer	29.92 in (1014.0 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Last update	21 Jun 4:56 am EDT

More Information:

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

Extended Forecast for

2 Miles ENE Cooksville MD

Today
High: 84 °F
Sunny
Tonight
Low: 64 °F
Increasing
Clouds
Monday
High: 91 °F
Scattered
Showers then
Showers
Monday Night
Low: 64 °F
Showers
Tuesday
High: 81 °F
Isolated
Showers
Tuesday Night
Low: 60 °F
Mostly Clear
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 63 °F
Mostly Clear
Thursday
High: 85 °F
Mostly Sunny
then Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 84. West wind 5 to 14 mph, with gusts as high as 18 mph.

Tonight

Increasing clouds, with a low around 64. Northwest wind around 5 mph becoming calm.

Monday

Scattered showers before 11am, then scattered showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 91. Southeast wind 8 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night

Showers and possibly a thunderstorm before 2am, then isolated showers. Low around 64. Southwest wind 5 to 13 mph becoming northwest after midnight. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Tuesday

Isolated showers before 2pm. Mostly cloudy, with a high near 81. North wind 9 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Tuesday Night

Mostly clear, with a low around 60.

Wednesday

Sunny, with a high near 82.

Wednesday Night

Mostly clear, with a low around 63.

Thursday

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

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

Friday

A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.