Severe Weather and Heavy Rainfall in the Midwest and Desert Southwest; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall are possible in the Midwest into the Central Appalachians and the Desert Southwest early this week. Storms are also expected in parts of the northern Plains today. Fire weather and air quality concerns will persist across portions of the West. Mid-summer heat will continue across much of the CONUS this week, especially in the the south-central High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

92°F

33°C

Humidity	48%
Wind Speed	S 7 mph
Barometer	29.96 in (1014.8 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	97°F (36°C)
Last update	10 Aug 1:55 pm EDT

More Information:

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

Extended Forecast for

2 Miles NW Lorton VA

Severe T-storm Watch until August 10, 09:00pm

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until August 10, 09:00pm
NOW until 9:00pm Mon
Severe T-storm Watch
This Afternoon
High: 93 °F
Severe
Thunderstorms
Tonight
Low: 74 °F
Severe
Thunderstorms
then Mostly
Cloudy
Tuesday
High: 90 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 71 °F
Chance
T-storms then
Chance
Showers
Wednesday
High: 87 °F
Chance
Showers then
Slight Chance
T-storms
Wednesday Night
Low: 71 °F
Chance
Showers
Thursday
High: 89 °F
Mostly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 73 °F
Chance
Showers

Detailed Forecast

This Afternoon

Showers and thunderstorms likely after 4pm. Some of the storms could be severe. Partly sunny, with a high near 93. Heat index values as high as 100. Southwest wind around 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

Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and midnight. Some of the storms could be severe. Mostly cloudy, with a low around 74. South wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 90. Northwest wind 3 to 8 mph. Chance of precipitation is 30%.

Tuesday Night

A chance of showers and thunderstorms before midnight, then a chance of showers after 5am. Mostly cloudy, with a low around 71. East wind around 5 mph becoming light and variable. Chance of precipitation is 50%.

Wednesday

A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 87. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

Thursday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.

Thursday Night

A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 30%.

Friday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.

Friday Night

A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

Saturday

Mostly sunny, with a high near 85.

Saturday Night

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 20%.

Sunday

A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 30%.