Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. 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

82°F

28°C

Humidity	90%
Wind Speed	Calm
Barometer	29.96 in (1015.3 mb)
Dewpoint	79°F (26°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	18 Jun 10:56 am EDT

More Information:

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

Extended Forecast for

North Potomac MD

Today
High: 87 °F
T-storms
Likely
Tonight
Low: 72 °F
Mostly Clear
Juneteenth
High: 92 °F
Sunny then
T-storms
Thursday Night
Low: 65 °F
T-storms then
Slight Chance
Showers
Friday
High: 84 °F
Sunny
Friday Night
Low: 65 °F
Partly Cloudy
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 71 °F
Partly Cloudy
Sunday
High: 94 °F
Mostly Sunny

Detailed Forecast

Today

Showers and thunderstorms likely, mainly between 2pm and 5pm. Partly sunny, with a high near 87. West wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.

Juneteenth

Showers and possibly a thunderstorm after 2pm. High near 92. Southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 65. Northwest wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Sunny, with a high near 84. Northwest wind around 7 mph.

Friday Night

Partly cloudy, with a low around 65.

Saturday

Sunny, with a high near 89.

Saturday Night

Partly cloudy, with a low around 71.

Sunday

Mostly sunny, with a high near 94.

Sunday Night

Mostly clear, with a low around 75.