Severe Storms and Heavy Rain in Texas; Record Heat Along the East Coast

Scattered severe storms with large hail, isolated severe gusts, and localized flooding are expected across parts of west Texas. Isolated flash flooding is also possible in the central Gulf coast. An early season heat wave will continue to impact the eastern U.S. today, before isolated severe storms move across the central Appalachians into the Mid-Atlantic and far southern New England. Read More >

Current conditions at

Manassas, Manassas Regional Airport/Harry P. Davis Field (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

A Few Clouds

94°F

34°C

Humidity 41%
Wind Speed S 7 mph
Barometer 30.00 in (1016.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 20 May 1:56 pm EDT
Extended Forecast for

4 Miles WNW Dale City VA

Severe T-storm Watch until May 20, 08:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until May 20, 08:00pm

    NOW until 8:00pm Wed

    Severe T-storm Watch

  • This Afternoon

    High: 96 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Showers and thunderstorms likely before 5am, then a slight chance of showers. Some of the storms could be severe.  Mostly cloudy, with a low around 61. North wind 5 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Severe
    Thunderstorms
    then Showers
    Likely

  • Thursday

    Thursday: A chance of showers, then showers and possibly a thunderstorm after 11am.  High near 68. North wind 8 to 11 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before midnight.  Cloudy, with a low around 53. Northeast wind 6 to 9 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Showers
    Likely

  • Friday

    Friday: Showers, with thunderstorms also possible after 5pm.  High near 63. East wind 8 to 10 mph.  Chance of precipitation is 80%.

    High: 63 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 50. Chance of precipitation is 90%.

    Low: 50 °F

    Showers

  • Saturday

    Saturday: Showers.  High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely.  Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 5pm. Some of the storms could be severe. Sunny early, then becoming mostly cloudy, with a high near 96. Southwest wind around 9 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 5am, then a slight chance of showers. Some of the storms could be severe. Mostly cloudy, with a low around 61. North wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, then showers and possibly a thunderstorm after 11am. High near 68. North wind 8 to 11 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely, mainly before midnight. Cloudy, with a low around 53. Northeast wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, with thunderstorms also possible after 5pm. High near 63. East wind 8 to 10 mph. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.
Saturday
Showers. High near 66. Chance of precipitation is 80%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Memorial Day
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Dale City VA
 38.68°N 77.4°W (Elev. 335 ft)
1:03 pm EDT May 20, 2026
2pm EDT May 20, 2026-6pm EDT May 26, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database