Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

71°F

22°C

Humidity	90%
Wind Speed	NW 3 mph
Barometer	29.91 in (1013.6 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	12 Aug 12:56 am EDT

More Information:

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

Extended Forecast for

2 Miles NNE Lisbon MD

Overnight
Low: 67 °F
Slight Chance
T-storms
Wednesday
High: 84 °F
Partly Sunny
Wednesday Night
Low: 68 °F
Partly Cloudy
then Slight
Chance
Showers
Thursday
High: 86 °F
Mostly Sunny
then Chance
Showers
Thursday Night
Low: 68 °F
Chance
Showers
Friday
High: 83 °F
Chance
Showers
Friday Night
Low: 61 °F
Partly Cloudy
Saturday
High: 81 °F
Mostly Sunny
Saturday Night
Low: 63 °F
Partly Cloudy

Detailed Forecast

Overnight

A slight chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. West wind around 5 mph. Chance of precipitation is 20%.

Wednesday

Partly sunny, with a high near 84. Northwest wind around 6 mph becoming calm in the afternoon.

Wednesday Night

A slight chance of showers between midnight and 1am. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 20%.

Thursday

A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 86. West wind 3 to 7 mph. Chance of precipitation is 30%.

Thursday Night

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

Friday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm. Partly sunny, with a high near 83. Chance of precipitation is 30%.

Friday Night

Partly cloudy, with a low around 61.

Saturday

Mostly sunny, with a high near 81.

Saturday Night

Partly cloudy, with a low around 63.

Sunday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.

Sunday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Monday

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