Hot Temperatures, Excessive Rainfall, and Severe Thunderstorms in the Eastern U.S.

Hot temperatures are expected again today along the Mid-Atlantic, Southeast, and lower Mississippi Valley. Heavy to excessive rainfall from thunderstorms today in parts of the Midwest to the Mid-Atlantic regions may bring areas of flooding. Severe thunderstorms pose a risk for damaging wind gusts across the Mid Atlantic region again today. 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

93°F

34°C

Humidity	56%
Wind Speed	E 8 mph
Barometer	29.88 in (1012.1 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	105°F (41°C)
Last update	5 Jul 3:56 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles NNW Bull Run VA

Heat Advisory until July 5, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until July 5, 08:00pm
NOW until 8:00pm Sun
Heat Advisory
This Afternoon
High: 96 °F
Scattered
T-storms
Tonight
Low: 71 °F
T-storms then
Scattered
T-storms and
Patchy Fog
Monday
High: 88 °F
Patchy Fog
then T-storms
Likely
Monday Night
Low: 69 °F
T-storms then
Chance
Showers
Tuesday
High: 86 °F
Slight Chance
T-storms then
Showers
Tuesday Night
Low: 67 °F
Showers
Wednesday
High: 85 °F
Slight Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 67 °F
Chance
T-storms

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 96. Heat index values as high as 104. South wind around 7 mph. Chance of precipitation is 40%.

Tonight

Showers and thunderstorms before 2am, then scattered showers. Patchy fog after midnight. Low around 71. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

Showers and thunderstorms likely, mainly after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 88. Calm wind becoming east 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 before 2am, then a slight chance of showers between 2am and 3am. Low around 69. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday

A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 86. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 80%.

Tuesday Night

Showers and possibly a thunderstorm before 2am, then a slight chance of showers. Low around 67. Chance of precipitation is 80%.

Wednesday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.

Thursday

A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

Saturday

A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

Sunday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.