Severe Thunderstorms and Heavy Rain Across the Central US and Central Appalachians

Severe thunderstorms producing damaging winds, hail and possibly a few tornadoes are expected across parts of the central Plains and the Missouri Valley. Heavy rainfall and flash flooding is also expected in the area. Thunderstorms and heavy rain may also bring additional flooding impacts to the central Appalachians. High temperatures and critical fire weather conditions expected in the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fog/Mist

70°F

21°C

Humidity	NA
Wind Speed	NA
Barometer	30.04 in (1018.4 mb)
Dewpoint	N/A
Visibility	3.00 mi
Last update	17 Jun 10:56 am EDT

More Information:

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

Extended Forecast for

2 Miles NNE Potomac MD

Flood Watch June 17, 05:00pm until June 18, 12:00am

Click here for hazard details and duration

Flood Watch

Today
High: 82 °F
Chance
T-storms
Tonight
Low: 71 °F
Chance
T-storms
Wednesday
High: 90 °F
Chance
Showers then
Showers
Likely
Wednesday Night
Low: 73 °F
Showers
Likely then
Mostly Clear
Juneteenth
High: 92 °F
Sunny then
Showers
Likely
Thursday Night
Low: 66 °F
Showers
Likely then
Slight Chance
Showers
Friday
High: 87 °F
Sunny
Friday Night
Low: 68 °F
Partly Cloudy
Saturday
High: 91 °F
Mostly Sunny

Detailed Forecast

Today

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 82. South wind around 7 mph. Chance of precipitation is 30%.

Tonight

A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Mostly cloudy, with a low around 71. South wind 3 to 5 mph. Chance of precipitation is 40%.

Wednesday

Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 90. Southwest wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 73. Southwest wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Juneteenth

Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. Southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 66. Chance of precipitation is 60%.

Friday

Sunny, with a high near 87.

Friday Night

Partly cloudy, with a low around 68.

Saturday

Mostly sunny, with a high near 91.

Saturday Night

Partly cloudy, with a low around 73.

Sunday

Mostly sunny, with a high near 95.

Sunday Night

Mostly clear, with a low around 76.