Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. 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

73°F

23°C

Humidity	NA
Wind Speed	Calm
Barometer	30.17 in (1022.4 mb)
Dewpoint	N/A
Visibility	10.00 mi
Last update	6 Aug 9:56 pm EDT

More Information:

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

Extended Forecast for

Olney MD

Tonight
Low: 71 °F
Chance
T-storms then
Slight Chance
Showers and
Patchy Fog
Friday
High: 89 °F
Patchy Fog
then Chance
T-storms
Friday Night
Low: 71 °F
Showers
Likely then
Partly Cloudy
Saturday
High: 89 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 70 °F
Chance
T-storms then
Partly Cloudy
Sunday
High: 88 °F
Sunny
Sunday Night
Low: 70 °F
Mostly Clear
Monday
High: 90 °F
Mostly Sunny
Monday Night
Low: 72 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 40%.

Friday

A chance of showers and thunderstorms, mainly after 4pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

Friday Night

Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 71. Light southwest wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Southwest wind 3 to 7 mph. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Light southwest wind. Chance of precipitation is 30%.

Sunday

Sunny, with a high near 88.

Sunday Night

Mostly clear, with a low around 70.

Monday

Mostly sunny, with a high near 90.

Monday Night

Partly cloudy, with a low around 72.