Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

80°F

27°C

Humidity	87%
Wind Speed	W 9 mph
Barometer	29.82 in (1010.7 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	3 Aug 9:56 am EDT

More Information:

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

Extended Forecast for

Brookeville MD

Today
High: 84 °F
Partly Sunny
then Slight
Chance
T-storms
Tonight
Low: 65 °F
Increasing
Clouds
Tuesday
High: 83 °F
Partly Sunny
Tuesday Night
Low: 68 °F
Mostly Cloudy
then Chance
Showers
Wednesday
High: 85 °F
Chance
Showers then
Showers
Likely
Wednesday Night
Low: 71 °F
Showers
Likely then
Slight Chance
Showers
Thursday
High: 88 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 72 °F
Chance
T-storms then
Chance
Showers
Friday
High: 88 °F
Mostly Sunny
then Chance
T-storms

Detailed Forecast

Today

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84. West wind around 7 mph. Chance of precipitation is 20%.

Tonight

Increasing clouds, with a low around 65. Light north wind.

Tuesday

Partly sunny, with a high near 83. Northeast wind 3 to 5 mph.

Tuesday Night

A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 68. Light east wind. Chance of precipitation is 30%.

Wednesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

Wednesday Night

Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

Thursday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.

Saturday

A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.