Severe Thunderstorms in the Central U.S.; Heavy to Excessive Rainfall in the Ohio Valley and Central Appalachians

Severe thunderstorms producing damaging winds, hail, and a few tornadoes are expected through Tuesday across parts of the central Plains and lower to mid Missouri Valley. Heavy to excessive rainfall could produce flooding across portions of the Ohio Valley into the Central Appalachians through Tuesday. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fog/Mist

64°F

18°C

Humidity	NA
Wind Speed	Calm
Barometer	30.07 in (1019.3 mb)
Dewpoint	N/A
Visibility	2.50 mi
Last update	16 Jun 10:56 pm EDT

More Information:

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

Extended Forecast for

North Potomac MD

Tonight
Low: 66 °F
Scattered
Showers and
Patchy Fog
Tuesday
High: 81 °F
Scattered
Showers and
Patchy Fog
then
Scattered
T-storms
Tuesday Night
Low: 71 °F
Showers
Likely
Wednesday
High: 89 °F
Chance
Showers then
T-storms
Likely
Wednesday Night
Low: 72 °F
Showers
Likely then
Mostly Clear
Juneteenth
High: 91 °F
Sunny then
Showers
Likely
Thursday Night
Low: 66 °F
Showers
Likely then
Partly Cloudy
Friday
High: 86 °F
Sunny
Friday Night
Low: 66 °F
Partly Cloudy

Detailed Forecast

Tonight

Scattered showers, mainly after 5am. Patchy fog. Otherwise, cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%.

Tuesday

Scattered rain before 2pm, then scattered showers and thunderstorms, mainly after 3pm. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 81. South wind 3 to 6 mph. Chance of precipitation is 30%.

Tuesday Night

Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 71. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

Wednesday

A chance of showers before 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 89. Southwest wind 3 to 7 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 72. Southwest wind 3 to 5 mph. Chance of precipitation is 60%.

Juneteenth

Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 60%.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 66. Chance of precipitation is 60%.

Friday

Sunny, with a high near 86.

Friday Night

Partly cloudy, with a low around 66.

Saturday

Mostly sunny, with a high near 88.

Saturday Night

Partly cloudy, with a low around 70.