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.

Thunderstorm Rain

80°F

27°C

Humidity	100%
Wind Speed	SE 8 mph
Barometer	29.92 in (1013.9 mb)
Dewpoint	80°F (27°C)
Visibility	8.00 mi
Heat Index	87°F (31°C)
Last update	18 Jun 12:56 pm EDT

More Information:

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

Extended Forecast for

3 Miles SSW Germantown MD

Flood Watch until June 18, 08:00pm

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

Flash Flood Warning until June 18, 04:30pm

Click here for hazard details and duration

Flood Watch

Severe T-storm Watch

Flash Flood Warning

Flood Watch until June 18, 08:00pm
Severe T-storm Watch until June 18, 07:00pm
Flash Flood Warning until June 18, 04:30pm
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 87 °F
Severe
Thunderstorms
Tonight
Low: 71 °F
Mostly Clear
Juneteenth
High: 90 °F
Sunny then
Heavy Rain
Thursday Night
Low: 64 °F
Chance
T-storms then
Mostly Clear
Friday
High: 84 °F
Sunny
Friday Night
Low: 65 °F
Partly Cloudy
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 70 °F
Mostly Clear

Detailed Forecast

This Afternoon

Showers and thunderstorms, mainly before 4pm. Some of the storms could be severe. High near 87. West wind 6 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Mostly clear, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.

Juneteenth

A slight chance of showers, then showers and thunderstorms likely after 2pm. Some of the storms could produce heavy rainfall. Increasing clouds, with a high near 90. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

A chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.

Friday

Sunny, with a high near 84. Northwest wind around 8 mph.

Friday Night

Partly cloudy, with a low around 65.

Saturday

Sunny, with a high near 89.

Saturday Night

Mostly clear, with a low around 70.

Sunday

Mostly sunny, with a high near 95.

Sunday Night

Mostly clear, with a low around 74.