Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. 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.

Mostly Cloudy

70°F

21°C

Humidity	64%
Wind Speed	SE 7 mph
Barometer	29.80 in (1008.9 mb)
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	16 Jun 10:52 pm EDT

More Information:

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

Extended Forecast for

Fairfax VA

Tonight
Low: 63 °F
Slight Chance
Showers
Wednesday
High: 87 °F
Mostly Sunny
Wednesday Night
Low: 68 °F
Increasing
Clouds
Thursday
High: 93 °F
Slight Chance
Showers then
Chance
T-storms
Thursday Night
Low: 69 °F
Chance
T-storms then
Chance
Showers
Juneteenth
High: 83 °F
Chance
T-storms then
Chance
Showers
Friday Night
Low: 63 °F
Mostly Clear
Saturday
High: 83 °F
Sunny
Saturday Night
Low: 62 °F
Clear

Detailed Forecast

Tonight

A slight chance of showers after midnight. Partly cloudy early, then becoming cloudy, with a low around 63. South wind 3 to 6 mph. Chance of precipitation is 20%.

Wednesday

Mostly sunny, with a high near 87. Southwest wind 3 to 8 mph.

Wednesday Night

Increasing clouds, with a low around 68. South wind 5 to 10 mph, with gusts as high as 21 mph.

Thursday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 93. South wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

Thursday Night

A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 69. West wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

Juneteenth

A chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 83. Chance of precipitation is 50%.

Friday Night

Mostly clear, with a low around 63.

Saturday

Sunny, with a high near 83.

Saturday Night

Clear, with a low around 62.

Sunday

Sunny, with a high near 85.

Sunday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 40%.