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

Heavy rain and gusty winds from Tropical Storm Moke will impact the Big Island into Monday, risking life-threatening flooding and mudslides in windward and southeast areas. Severe thunderstorms are expected across the northern Rockies/Plains and northern Great Basin. Dangerous heat persists across the Southern Plains and Lower Mississippi Valley, building further into the Southwest by midweek. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

61°F

16°C

Humidity	90%
Wind Speed	Calm
Barometer	29.97 in (1016.0 mb)
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Last update	24 Aug 12:56 am EDT

More Information:

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

Extended Forecast for

Olney MD

Overnight
Low: 59 °F
Mostly Clear
Monday
High: 80 °F
Sunny
Monday Night
Low: 58 °F
Mostly Clear
Tuesday
High: 82 °F
Sunny
Tuesday Night
Low: 61 °F
Mostly Clear
Wednesday
High: 85 °F
Mostly Sunny
Wednesday Night
Low: 68 °F
Chance
Showers
Thursday
High: 85 °F
Chance
Showers then
Showers
Likely
Thursday Night
Low: 68 °F
Showers
Likely then
Chance
T-storms

Detailed Forecast

Overnight

Mostly clear, with a low around 59. Calm wind.

Monday

Sunny, with a high near 80. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

Monday Night

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

Tuesday

Sunny, with a high near 82. West wind 5 to 7 mph.

Tuesday Night

Mostly clear, with a low around 61. Calm wind.

Wednesday

Mostly sunny, with a high near 85.

Wednesday Night

A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 70%.

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 68. Chance of precipitation is 60%.

Friday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.

Friday Night

Partly cloudy, with a low around 66.

Saturday

Sunny, with a high near 83.

Saturday Night

Partly cloudy, with a low around 66.

Sunday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 20%.