Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

84°F

29°C

Humidity	72%
Wind Speed	SW 5 mph
Barometer	29.92 in (1012.7 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	18 Jun 11:52 am EDT

More Information:

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

Extended Forecast for

2 Miles S Sugarland Run VA

Flood Watch June 18, 01:00pm until June 18, 08:00pm

Click here for hazard details and duration

Flood Watch

This Afternoon
High: 87 °F
T-storms
Likely
Tonight
Low: 72 °F
Mostly Clear
Juneteenth
High: 92 °F
Sunny then
Heavy Rain
Thursday Night
Low: 65 °F
Chance
T-storms then
Mostly Clear
Friday
High: 86 °F
Sunny
Friday Night
Low: 66 °F
Partly Cloudy
Saturday
High: 91 °F
Sunny
Saturday Night
Low: 70 °F
Mostly Clear
Sunday
High: 95 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Showers and thunderstorms likely, mainly between 3pm and 5pm. Partly sunny, with a high near 87. West wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.

Juneteenth

A slight chance of showers, then showers and thunderstorms likely after 2pm. Some of the storms could produce heavy rainfall. Increasing clouds, with a high near 92. Southwest wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

A chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 65. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.

Friday

Sunny, with a high near 86. Northwest wind around 8 mph.

Friday Night

Partly cloudy, with a low around 66.

Saturday

Sunny, with a high near 91.

Saturday Night

Mostly clear, with a low around 70.

Sunday

Mostly sunny, with a high near 95.

Sunday Night

Mostly clear, with a low around 74.