Severe Weather in the Northeast; Intense Heat in the Mid-Atlantic and Portions of the West

Severe thunderstorms and heavy rainfall are likely across portions of the Northeast. An intense heat wave will continue across the Mid-Atlantic, where record high temperatures are likely. In the West, triple-digit high temperatures are possible in central and southern California, Arizona, and Utah. Monsoon-like conditions may produce isolated flash flooding in the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Lake Anna Airport (K7W4)

Lat: 37.97°NLon: 77.75°WElev: 351ft.

Fair

76°F

24°C

Humidity	75%
Wind Speed	SW 5 mph
Barometer	29.91 in
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	23 Jun 4:55 am EDT

More Information:

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

Extended Forecast for

3 Miles SSE Thornburg VA

Heat Advisory June 23, 11:00am until June 23, 08:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 98 °F
Sunny then
Slight Chance
T-storms
Tonight
Low: 74 °F
Chance
T-storms
Monday
High: 91 °F
Sunny
Monday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 70 °F
Mostly Clear
Wednesday
High: 98 °F
Hot
Wednesday Night
Low: 71 °F
Chance
T-storms
Thursday
High: 91 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

Today

A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Heat index values as high as 105. Southwest wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Tonight

A chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 74. Southwest wind 6 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

Sunny, with a high near 91. Northwest wind 6 to 11 mph.

Monday Night

Mostly clear, with a low around 64. Northwest wind 3 to 6 mph.

Tuesday

Sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 70.

Wednesday

Mostly sunny and hot, with a high near 98.

Wednesday Night

A chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.