Severe Thunderstorm and Heavy Rainfall Threat Tonight; Heat Continues on Tuesday Across the Eastern U.S.
Severe weather and flash flooding threats continue across the Central Plains and Midwest into tonight. Very large hail, strong tornadoes and damaging winds are expected. An early season heat wave will continue to challenge temperature records across the eastern U.S. through Wednesday. Read More >
Current conditions at
Manassas, Manassas Regional Airport/Harry P. Davis Field (KHEF)
Lat: 38.72°NLon: 77.52°WElev: 194ft.
Fair
70°F
21°C
| Humidity | 79% |
| Wind Speed | S 6 mph |
| Barometer | 30.13 in (1020.7 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 19 May 1:56 am EDT |
Extended Forecast for
Bull Run VA
Overnight
Low: 69 °F
Mostly Clear
Tuesday
High: 99 °F
Hot
Tuesday Night
Low: 71 °F
Partly Cloudy
Wednesday
High: 97 °F
Sunny then
Showers
LikelyWednesday Night
Low: 58 °F
Showers
Thursday
High: 68 °F
Showers
LikelyThursday Night
Low: 52 °F
Showers
LikelyFriday
High: 64 °F
Showers
Friday Night
Low: 52 °F
Showers
Detailed Forecast
Overnight
Mostly clear, with a low around 69. Southwest wind around 7 mph.
Tuesday
Sunny and hot, with a high near 99. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 71. Southwest wind 6 to 8 mph.
Wednesday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds and hot, with a high near 97. Light southwest wind becoming west 5 to 9 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms. Low around 58. North wind 6 to 8 mph. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Thursday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Friday
Showers, with thunderstorms also possible after 2pm. High near 64. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%.
Saturday
Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Memorial Day
A chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Bull Run VA
38.78°N 77.5°W (Elev. 220 ft)
38.78°N 77.5°W (Elev. 220 ft)
2:23 am EDT May 19, 2026
2am EDT May 19, 2026-6pm EDT May 25, 2026
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