Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fog/Mist

74°F

23°C

Humidity	95%
Wind Speed	W 3 mph
Barometer	29.90 in (1012.7 mb)
Dewpoint	72°F (22°C)
Visibility	5.00 mi
Last update	5 Jul 3:55 am EDT

More Information:

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

Extended Forecast for

Burke VA

Heat Advisory July 5, 10:00am until July 5, 08:00pm

Click here for hazard details and duration

Heat Advisory

Overnight
Low: 74 °F
Scattered
Showers
Sunday
High: 95 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 72 °F
Showers then
Chance
Showers and
Patchy Fog
Monday
High: 88 °F
Chance
Showers then
Chance
T-storms
Monday Night
Low: 70 °F
Heavy Rain
Tuesday
High: 84 °F
Chance
Showers then
Showers
Likely
Tuesday Night
Low: 68 °F
Showers
Likely
Wednesday
High: 85 °F
Chance
T-storms
Wednesday Night
Low: 69 °F
Chance
T-storms

Detailed Forecast

Overnight

Scattered showers and thunderstorms, mainly before 5am. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 30%.

Sunday

A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 30%.

Sunday Night

Showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Patchy fog between 2am and 3am. Low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Monday

A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 88. East wind 3 to 5 mph. Chance of precipitation is 30%.

Monday Night

Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Some of the storms could produce heavy rainfall. Low around 70. Light east wind. Chance of precipitation is 90%.

Tuesday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.

Tuesday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

Wednesday

A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 85. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

Thursday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.

Saturday

A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 40%.