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

A front will bring scattered showers and storms to portions of the Central and Eastern US. Severe storms are expected in parts of the Great Plains and Ozarks today. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in the Northwest. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

76°F

24°C

Humidity	94%
Wind Speed	S 9 mph
Barometer	30.11 in (1019.3 mb)
Dewpoint	74°F (23°C)
Visibility	8.00 mi
Heat Index	76°F (24°C)
Last update	6 Aug 6:52 am EDT

More Information:

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

Extended Forecast for

Great Falls VA

Today
High: 89 °F
Sunny
Tonight
Low: 73 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 89 °F
Sunny then
Chance
T-storms
Friday Night
Low: 73 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 89 °F
Mostly Sunny
then Showers
Likely
Saturday Night
Low: 73 °F
Showers
Likely then
Slight Chance
Showers
Sunday
High: 89 °F
Mostly Sunny
Sunday Night
Low: 73 °F
Partly Cloudy
Monday
High: 91 °F
Sunny

Detailed Forecast

Today

Sunny, with a high near 89. Southwest wind 6 to 8 mph.

Tonight

A chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

Friday

A chance of thunderstorms after 5pm. Mostly sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 73. Light and variable wind. Chance of precipitation is 50%.

Saturday

Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%.

Saturday Night

Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 73. Chance of precipitation is 60%.

Sunday

Mostly sunny, with a high near 89.

Sunday Night

Partly cloudy, with a low around 73.

Monday

Sunny, with a high near 91.

Monday Night

A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74. Chance of precipitation is 20%.

Tuesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 30%.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.