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

Fort Belvoir (KDAA)

Lat: 38.72°NLon: 77.18°WElev: 69ft.

Thunderstorm in Vicinity

80°F

27°C

Humidity	87%
Wind Speed	Calm
Barometer	29.85 in (1011.0 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	18 Jun 4:55 pm EDT

More Information:

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

Extended Forecast for

Fairfax VA

Flood Watch June 18, 05:43pm until June 18, 08:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch June 18, 05:43pm until June 18, 08:00pm
NOW until 8:00pm Wed
Flood Watch
This Afternoon
High: 88 °F
Severe
Thunderstorms
Tonight
Low: 72 °F
Scattered
T-storms then
Mostly Clear
Juneteenth
High: 92 °F
Sunny then
T-storms
Likely
Thursday Night
Low: 65 °F
T-storms
Likely then
Slight Chance
Showers
Friday
High: 85 °F
Sunny
Friday Night
Low: 67 °F
Partly Cloudy
Saturday
High: 90 °F
Sunny
Saturday Night
Low: 71 °F
Mostly Clear

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm. Some of the storms could be severe. Partly sunny, with a high near 88. West wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Scattered showers and thunderstorms before 8pm. Mostly clear, with a low around 72. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.

Juneteenth

A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then showers and thunderstorms likely after 5pm. Increasing clouds, with a high near 92. Southwest wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 65. Southwest wind around 9 mph. Chance of precipitation is 60%. 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 8 mph.

Friday Night

Partly cloudy, with a low around 67.

Saturday

Sunny, with a high near 90.

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.