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.

Fair

69°F

21°C

Humidity	84%
Wind Speed	Calm
Barometer	30.07 in (1018.9 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	4 Aug 4:56 am EDT

More Information:

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

Extended Forecast for

2 Miles WNW Cooksville MD

Today
High: 84 °F
Mostly Sunny
Tonight
Low: 68 °F
Mostly Cloudy
then Chance
Showers
Wednesday
High: 83 °F
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: 71 °F
Chance
T-storms then
Chance
Showers
Friday
High: 88 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 69 °F
Chance
T-storms
Saturday
High: 86 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

Today

Mostly sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.

Tonight

A chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 68. Light southeast wind. Chance of precipitation is 30%.

Wednesday

Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

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. Light south wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. South wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

Thursday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 71. Chance of precipitation is 40%.

Friday

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

Friday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.

Saturday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

Sunday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 20%.

Sunday Night

Partly cloudy, with a low around 70.