Air Quality Concerns; Fire Weather; Extreme Heat; Flash Flooding

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Dangerous heat and fire weather concerns for portions of the Four Corners region into the central Great Basin. Heavy rainfall and flash flooding possible for the Southeast through Monday. For Hawaii, gusty trade winds a drier weather could result in any fires that start to spread rapidly. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93° N Lon: 77.45° W Elev: 312 ft.

Fair

61°F

16°C

Humidity	90%
Wind Speed	Calm
Barometer	30.14 in (1020.6 mb)
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Last update	4 Aug 12:52 am EDT

More Information:

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

Detailed forecast for

Northwest Prince William

Rest Of Tonight

Mostly clear. Patchy fog. Lows in the upper 50s. Light and variable winds.

Monday

Patchy fog in the morning. Sunny. Highs in the mid 80s. North winds around 5 mph, becoming northeast around 5 mph in the afternoon.

Monday Night

Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. Southeast winds around 5 mph in the evening, becoming light and variable.

Tuesday

Partly sunny. Highs in the mid 80s. Light and variable winds, becoming east around 5 mph in the afternoon.

Tuesday Night

Mostly cloudy. Lows in the mid 60s. Southeast winds around 5 mph.

Wednesday

Partly sunny with a 30 percent chance of showers. Highs in the lower 80s.

Wednesday Night

Mostly cloudy with a 40 percent chance of showers. Lows in the mid 60s.

Thursday

Partly sunny with a chance of showers. Highs around 80. Chance of rain 40 percent.

Thursday Night

Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 40 percent.