Dangerous Heat Wave Continues; Enhanced Area of Severe Thunderstorms Today

A prolonged, dangerous heat wave will continue today in the Midwest and Mississippi Valley, and persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Widespread moderate to extreme HeatRisk is forecast. Scattered wind damage and large hail are expected from severe thunderstorms impacting parts of Nebraska into Iowa today. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

98°F

37°C

Humidity	46%
Wind Speed	W 8 mph
Barometer	30.02 in (1016.0 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	109°F (43°C)
Last update	3 Jul 3:52 pm EDT

More Information:

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

Extended Forecast for

2 Miles W Sugarland Run VA

Extreme Heat Warning July 4, 10:00am until July 4, 09:00pm

Extreme Heat Warning July 3, 04:04pm until July 3, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

...

Extreme Heat Warning July 3, 04:04pm until July 3, 09:00pm
NOW until 9:00pm Fri
Extreme Heat Warning
Tonight
Low: 76 °F
Slight Chance
T-storms then
Mostly Clear
Independence Day
High: 101 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 72 °F
Chance
T-storms
Sunday
High: 94 °F
Mostly Sunny
then Showers
Sunday Night
Low: 71 °F
Showers
Monday
High: 87 °F
Slight Chance
T-storms then
Showers
Monday Night
Low: 70 °F
Showers
Tuesday
High: 87 °F
Slight Chance
Showers then
Chance
T-storms

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 76. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.

Independence Day

A chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 101. Heat index values as high as 110. West wind 3 to 7 mph. Chance of precipitation is 30%.

Saturday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Light and variable wind. Chance of precipitation is 50%.

Sunday

Showers and possibly a thunderstorm after 2pm. High near 94. Heat index values as high as 102. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

Showers and possibly a thunderstorm before 2am, then a slight chance of showers. Low around 71. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

Monday

A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 87. Chance of precipitation is 80%.

Monday Night

Showers and possibly a thunderstorm before 2am, then a slight chance of showers. Low around 70. Chance of precipitation is 80%.

Tuesday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.

Tuesday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

Wednesday

A chance of showers, mainly after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

Thursday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 20%.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%.