National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Lake Anna Airport (K7W4)

Lat: 37.97°NLon: 77.75°WElev: 351ft.

Fair

71°F

22°C

Humidity 100%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 71°F (22°C)
Visibility 2.50 mi
Last update 14 Jul 1:35 am EDT
Extended Forecast for

3 Miles SSE Thornburg VA

Flood Watch July 14, 01:57am until July 15, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 14, 01:57am until July 15, 12:00am

    NOW until 12:00am Tue

    Flood Watch

  • Overnight

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 5pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    T-storms
    Likely then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 88. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    Showers then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 40%.

    High: 92 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms likely, mainly after 5pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 88. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Thornburg VA
 38.09°N 77.5°W (Elev. 226 ft)
Last Update:
9:48 pm EDT Jul 13, 2025
Forecast Valid:
1am EDT Jul 14, 2025-6pm EDT Jul 20, 2025
 
Forecast Discussion
 
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Additional Resources

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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