Hazardous Weather Conditions
Current conditions at
Lake Anna Airport (K7W4)
Lat: 37.97°NLon: 77.75°WElev: 351ft.
Fair
88°F
31°C
| Humidity | 67% |
| Wind Speed | NE 5 mph |
| Barometer | 30.10 in |
| Dewpoint | 76°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 99°F (37°C) |
| Last update | 2 Jul 10:15 am EDT |
Extended Forecast for
3 Miles S Thornburg VA
Extreme Heat Warning until July 3, 08:00pm
NOW until 8:00pm Fri

Extreme Heat Warning
Today

High: 102 °F
Hot
Tonight

Low: 76 °F
Clear
Friday
High: 102 °F
Sunny then
Slight Chance
T-stormsFriday Night

Low: 78 °F
Mostly Clear
Independence Day
High: 102 °F
Sunny then
Chance
T-stormsSaturday Night
Low: 73 °F
Chance
T-storms then
Chance
ShowersSunday
High: 99 °F
Mostly Sunny
then Chance
T-stormsSunday Night

Low: 72 °F
Chance
T-storms
Detailed Forecast
Today
Sunny and hot, with a high near 102. Heat index values as high as 109. Light and variable wind.
Tonight
Clear, with a low around 76. Calm wind.
Friday
A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 102. Heat index values as high as 110. Light southwest wind. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 78. Calm wind.
Independence Day
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 102. Light southwest wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 99. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.
Monday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 95. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 89. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
3 Miles S Thornburg VA
38.09°N 77.53°W (Elev. 249 ft)
38.09°N 77.53°W (Elev. 249 ft)
3:24 am EDT Jul 2, 2026
10am EDT Jul 2, 2026-6pm EDT Jul 8, 2026



