Severe Weather and Heavy Rainfall in the Midwest and Desert Southwest; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall are possible in the Midwest into the Central Appalachians and the Desert Southwest early this week. Storms are also expected in parts of the northern Plains today. Fire weather and air quality concerns will persist across portions of the West. Mid-summer heat will continue across much of the CONUS this week, especially in the the south-central High Plains. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

70°F

21°C

Humidity	NA
Wind Speed	Calm
Barometer	30.07 in (1018.9 mb)
Dewpoint	N/A
Visibility	9.00 mi
Last update	10 Aug 6:56 am EDT

More Information:

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

Extended Forecast for

Gaithersburg MD

Today
High: 93 °F
Sunny then
Heavy Rain
Tonight
Low: 72 °F
Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 88 °F
Partly Sunny
then Chance
T-storms
Tuesday Night
Low: 69 °F
Showers
Likely
Wednesday
High: 87 °F
Chance
Showers then
Slight Chance
T-storms
Wednesday Night
Low: 70 °F
Chance
Showers
Thursday
High: 88 °F
Mostly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 70 °F
Slight Chance
T-storms
Friday
High: 83 °F
Slight Chance
Showers then
Slight Chance
T-storms

Detailed Forecast

Today

A chance of showers and thunderstorms after 3pm. Some of the storms could produce heavy rainfall. Mostly sunny, with a high near 93. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 30%.

Tonight

A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Tuesday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Northwest wind 3 to 8 mph. Chance of precipitation is 30%.

Tuesday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Light west wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

A chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

Thursday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

Thursday Night

A slight chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 20%.

Friday

A slight chance of showers between 8am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 20%.

Friday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 20%.

Saturday

Mostly sunny, with a high near 83.

Saturday Night

A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.