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

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 >

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

91°F

33°C

Humidity 45%
Wind Speed W 10 mph
Barometer 30.04 in (1017.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 20 May 11:56 am EDT
Extended Forecast for

4 Miles ESE Manassas Regional Airport VA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds and hot, with a high near 97. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 97 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 60. North wind 5 to 7 mph becoming light and variable. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 11am. High near 68. North wind around 9 mph. Chance of precipitation is 80%. 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, mainly after 2am. Low around 53. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 5pm. High near 63. East wind 5 to 8 mph. Chance of precipitation is 90%.

    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 67. Chance of precipitation is 80%.

    High: 67 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds and hot, with a high near 97. Southwest wind 5 to 7 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 chance of showers. Mostly cloudy, with a low around 60. North wind 5 to 7 mph becoming light and variable. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers, with thunderstorms also possible after 11am. High near 68. North wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers, mainly after 2am. Low around 53. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, with thunderstorms also possible after 5pm. High near 63. East wind 5 to 8 mph. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.
Saturday
Showers. High near 67. Chance of precipitation is 80%.
Saturday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Memorial Day
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Manassas Regional Airport VA
 38.69°N 77.46°W (Elev. 223 ft)
Last Update:
10:53 am EDT May 20, 2026
Forecast Valid:
12pm EDT May 20, 2026-6pm EDT May 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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