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

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Partly Cloudy

77°F

25°C

Humidity	NA
Wind Speed	Calm
Barometer	29.92 in (1014.1 mb)
Dewpoint	N/A
Visibility	10.00 mi
Last update	18 Jun 2:56 pm EDT

More Information:

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

Extended Forecast for

2 Miles WSW Henryton MD

Flood Watch until June 18, 08:00pm

Severe T-storm Watch until June 18, 07:00pm

Click here for hazard details and duration

Flood Watch

Severe T-storm Watch

Flood Watch until June 18, 08:00pm
Severe T-storm Watch until June 18, 07:00pm
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 87 °F
Severe
Thunderstorms
Tonight
Low: 71 °F
Scattered
T-storms then
Mostly Clear
Juneteenth
High: 90 °F
Sunny then
Heavy Rain
Thursday Night
Low: 64 °F
Showers
Likely then
Mostly Clear
Friday
High: 83 °F
Sunny
Friday Night
Low: 65 °F
Partly Cloudy
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 70 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Showers and thunderstorms likely, mainly before 4pm. Some of the storms could be severe. Partly sunny, with a high near 87. West wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 71. Light southwest wind. Chance of precipitation is 30%.

Juneteenth

A slight chance of showers before 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. High near 90. Southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. West wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Sunny, with a high near 83. 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 70.

Sunday

Mostly sunny, with a high near 93.

Sunday Night

Mostly clear, with a low around 74.