Moke Impacts Hawaii; Severe Thunderstorms and Heavy Rainfall from the Great Basin to the Plains

Heavy rain from Tropical Storm Moke will begin to impact the Big Island today, risking life-threatening flooding and mudslides in windward and southeast areas. Severe thunderstorms are expected across the northern Rockies/Plains and northern Great Basin. Repeated storms and heavy rainfall may cause flash flooding from the Plains into the Lower MS Valley. Dangerous heat persists across the South. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

81°F

27°C

Humidity	42%
Wind Speed	W 12 G 21 mph
Barometer	29.89 in (1013.0 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	23 Aug 4:56 pm EDT

More Information:

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

Extended Forecast for

Damascus MD

This Afternoon
High: 79 °F
Slight Chance
T-storms
Tonight
Low: 58 °F
Mostly Clear
Monday
High: 78 °F
Sunny
Monday Night
Low: 57 °F
Mostly Clear
Tuesday
High: 81 °F
Sunny
Tuesday Night
Low: 60 °F
Mostly Clear
Wednesday
High: 84 °F
Mostly Sunny
Wednesday Night
Low: 67 °F
Chance
Showers
Thursday
High: 84 °F
Slight Chance
T-storms then
Showers
Likely

Detailed Forecast

This Afternoon

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79. West wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

Tonight

Mostly clear, with a low around 58. West wind around 5 mph becoming calm in the evening.

Monday

Sunny, with a high near 78. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

Monday Night

Mostly clear, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 81. West wind 5 to 7 mph.

Tuesday Night

Mostly clear, with a low around 60.

Wednesday

Mostly sunny, with a high near 84.

Wednesday Night

A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.

Thursday

A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

Friday

Mostly sunny, with a high near 84.

Friday Night

Partly cloudy, with a low around 65.

Saturday

Mostly sunny, with a high near 82.

Saturday Night

Partly cloudy, with a low around 65.

Sunday

A slight chance of showers and thunderstorms. Partly sunny, with a high near 82.