Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

77°F

25°C

Humidity	62%
Wind Speed	W 7 mph
Barometer	29.84 in (1011.2 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	17 Jun 9:56 am EDT

More Information:

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

Extended Forecast for

2 Miles NNE Derwood MD

Today
High: 85 °F
Sunny
Tonight
Low: 69 °F
Partly Cloudy
Thursday
High: 90 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 67 °F
Partly Cloudy
then Chance
Showers
Juneteenth
High: 83 °F
Chance
Showers then
Sunny
Friday Night
Low: 61 °F
Mostly Clear
Saturday
High: 81 °F
Sunny
Saturday Night
Low: 61 °F
Mostly Clear
Sunday
High: 85 °F
Sunny

Detailed Forecast

Today

Sunny, with a high near 85. Southwest wind 5 to 7 mph.

Tonight

Partly cloudy, with a low around 69. South wind 5 to 9 mph, with gusts as high as 20 mph.

Thursday

A chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 90. Southwest wind 14 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

Thursday Night

A chance of showers after 2am. Mostly cloudy, with a low around 67. Northwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

Juneteenth

A chance of showers before 8am. Mostly sunny, with a high near 83. Northwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

Friday Night

Mostly clear, with a low around 61.

Saturday

Sunny, with a high near 81.

Saturday Night

Mostly clear, with a low around 61.

Sunday

Sunny, with a high near 85.

Sunday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

Monday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.