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.

Fog/Mist

75°F

24°C

Humidity	96%
Wind Speed	S 6 mph
Barometer	29.93 in (1013.1 mb)
Dewpoint	74°F (23°C)
Visibility	0.75 mi
Last update	18 Jun 6:52 am EDT

More Information:

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

Extended Forecast for

Reston VA

Today
High: 88 °F
Chance
Showers then
Showers
Likely
Tonight
Low: 72 °F
Chance
T-storms then
Mostly Clear
Juneteenth
High: 93 °F
Sunny then
T-storms
Thursday Night
Low: 66 °F
T-storms then
Slight Chance
Showers
Friday
High: 85 °F
Sunny
Friday Night
Low: 66 °F
Partly Cloudy
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 71 °F
Mostly Clear
Sunday
High: 95 °F
Mostly Sunny

Detailed Forecast

Today

A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 88. Light south wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of thunderstorms before 8pm. Mostly clear, with a low around 72. Southwest wind around 6 mph. Chance of precipitation is 30%.

Juneteenth

Showers and possibly a thunderstorm after 2pm. High near 93. Southwest wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 66. Northwest wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Sunny, with a high near 85. Northwest wind around 7 mph.

Friday Night

Partly cloudy, with a low around 66.

Saturday

Sunny, with a high near 89.

Saturday Night

Mostly clear, with a low around 71.

Sunday

Mostly sunny, with a high near 95.

Sunday Night

Mostly clear, with a low around 75.