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Hazardous Weather Conditions

Current conditions at

Lake Anna Airport (K7W4)

Lat: 37.97°NLon: 77.75°WElev: 351ft.

Fair

97°F

36°C

Humidity 46%
Wind Speed N 7 mph
Barometer 30.09 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 2 Jul 1:35 pm EDT
Extended Forecast for

3 Miles S Thornburg VA

Extreme Heat Warning July 2, 01:55pm until July 4, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 2, 01:55pm until July 4, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • This Afternoon

    High: 102 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. Light south wind.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers before 4pm, then a slight chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 102. Heat index values as high as 110. Light west wind. Chance of precipitation is 20%.

    High: 102 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Independence Day

    Independence Day: A chance of showers and thunderstorms after 2pm. Increasing clouds and hot, with a high near 102. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 102 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    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 of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely after 2pm. Sunny, then becoming mostly cloudy during the afternoon and hot, with a high near 97. Chance of precipitation is 60%.

    High: 97 °F

    Mostly Sunny
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    T-storms
    Likely then
    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 102. Heat index values as high as 111. Light northwest wind.
Tonight
Mostly clear, with a low around 77. Light south wind.
Friday
A slight chance of showers before 4pm, then a slight chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 102. Heat index values as high as 110. Light west wind. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 77. Calm wind.
Independence Day
A chance of showers and thunderstorms after 2pm. Increasing clouds and hot, with a high near 102. Calm 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 of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely after 2pm. Sunny, then becoming mostly cloudy during the afternoon and hot, with a high near 97. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 92. 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 69. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. 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 and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Thornburg VA
 38.09°N 77.53°W (Elev. 249 ft)
Last Update:
1:46 pm EDT Jul 2, 2026
Forecast Valid:
1pm EDT Jul 2, 2026-6pm EDT Jul 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation