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

93°F

34°C

Humidity	46%
Wind Speed	S 9 mph
Barometer	29.93 in (1013.7 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	98°F (37°C)
Last update	10 Aug 2:55 pm EDT

More Information:

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

Extended Forecast for

2 Miles ESE Fairfax Station VA

Severe T-storm Watch August 10, 03:40pm until August 10, 09:00pm

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch August 10, 03:40pm until August 10, 09:00pm
NOW until 9:00pm Mon
Severe T-storm Watch
This Afternoon
High: 92 °F
Severe
Thunderstorms
Tonight
Low: 73 °F
Severe
Thunderstorms
then Mostly
Cloudy
Tuesday
High: 89 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 70 °F
Showers
Likely then
Chance
Showers
Wednesday
High: 86 °F
Chance
Showers then
Slight Chance
T-storms
Wednesday Night
Low: 70 °F
Chance
Showers
Thursday
High: 88 °F
Mostly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 72 °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 92. Southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth 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 73. Southwest 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 89. West wind 3 to 8 mph. Chance of precipitation is 40%.

Tuesday Night

Showers and thunderstorms likely before 11pm, then a chance of showers after 5am. Mostly cloudy, with a low around 70. Light and variable wind becoming west around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 86. Northwest wind 5 to 7 mph. Chance of precipitation is 30%.

Wednesday Night

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

Thursday

A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

Thursday Night

A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Mostly cloudy, with a low around 72. 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 84. 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 67. Chance of precipitation is 30%.

Saturday

Partly sunny, with a high near 84.

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 87. Chance of precipitation is 30%.

Sunday Night

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

Monday

A chance of showers and thunderstorms. Mostly sunny, with a high near 86.