Thunderstorms and Heavy Rain Across the Southern and Eastern US; Heat and Fire Weather Concerns in the West

Showers and thunderstorms are expected across the southern and eastern US this week, with heavy rain and localized flooding, particularly near the Gulf Coast. Monsoonal moisture will bring rain and potential flooding to parts of the Southwest. Heat and fire weather threats will continue to impact the West. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Fair

85°F

29°C

Humidity	72%
Wind Speed	S 3 mph
Barometer	29.88 in (1012.0 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	30 Jun 11:55 pm EDT

More Information:

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

Extended Forecast for

Franconia VA

Overnight
Low: 76 °F
Slight Chance
T-storms
Tuesday
High: 91 °F
Chance
Showers then
T-storms
Tuesday Night
Low: 71 °F
T-storms then
Showers
Likely
Wednesday
High: 85 °F
Chance
Showers then
Slight Chance
T-storms
Wednesday Night
Low: 70 °F
Partly Cloudy
Thursday
High: 90 °F
Sunny
Thursday Night
Low: 69 °F
Mostly Clear
Independence Day
High: 89 °F
Sunny
Friday Night
Low: 68 °F
Mostly Clear

Detailed Forecast

Overnight

A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. South wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Tuesday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 91. Heat index values as high as 102. Southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

Showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Low around 71. Southwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. West wind around 6 mph. Chance of precipitation is 30%.

Wednesday Night

Partly cloudy, with a low around 70. Calm wind.

Thursday

Sunny, with a high near 90.

Thursday Night

Mostly clear, with a low around 69.

Independence Day

Sunny, with a high near 89.

Friday Night

Mostly clear, with a low around 68.

Saturday

Mostly sunny, with a high near 90.