Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

84°F

29°C

Humidity	65%
Wind Speed	W 7 mph
Barometer	29.94 in (1014.7 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	10 Sep 3:56 pm EDT

More Information:

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

Extended Forecast for

3 Miles WSW Glenwood MD

Tonight
Low: 67 °F
Mostly Cloudy
then Chance
Showers
Friday
High: 79 °F
Chance
Showers then
Mostly Cloudy
Friday Night
Low: 64 °F
Mostly Cloudy
Saturday
High: 80 °F
Partly Sunny
then Showers
Likely
Saturday Night
Low: 67 °F
Showers
Sunday
High: 83 °F
Chance
Showers then
Slight Chance
T-storms
Sunday Night
Low: 65 °F
Mostly Clear
Monday
High: 78 °F
Mostly Sunny
Monday Night
Low: 58 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of showers and thunderstorms, mainly after 3am. Increasing clouds, with a low around 67. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Friday

A chance of showers before 8am. Mostly cloudy, with a high near 79. Calm wind becoming north around 6 mph. Chance of precipitation is 30%.

Friday Night

Mostly cloudy, with a low around 64. Calm wind.

Saturday

Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 80. East wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 67. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%.

Sunday

A chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.

Sunday Night

Mostly clear, with a low around 65.

Monday

Mostly sunny, with a high near 78.

Monday Night

Partly cloudy, with a low around 58.

Tuesday

Mostly sunny, with a high near 78.

Tuesday Night

Mostly clear, with a low around 61.

Wednesday

Sunny, with a high near 83.