Dangerous, Record-Breaking Heat to Continue in the Central and Eastern U.S.; Severe Thunderstorms in the Upper Midwest; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will continue across most of the central and eastern U.S this week. Heat indices will exceed 100 degrees. Severe storms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians Thursday, with the primary threat large to very large hail. Critical fire weather to continue in the Four Corners Region 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

77°F

25°C

Humidity	96%
Wind Speed	Calm
Barometer	30.03 in (1017.1 mb)
Dewpoint	76°F (24°C)
Visibility	9.00 mi
Heat Index	78°F (26°C)
Last update	2 Jul 3:56 am EDT

More Information:

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

Extended Forecast for

Haymarket VA

Extreme Heat Warning July 2, 10:00am until July 2, 08:00pm

Extreme Heat Warning July 3, 10:00am until July 3, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Today
High: 101 °F
Hot
Tonight
Low: 77 °F
Clear
Friday
High: 102 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 76 °F
Partly Cloudy
Independence Day
High: 99 °F
Sunny then
T-storms
Likely
Saturday Night
Low: 73 °F
T-storms
Likely
Sunday
High: 95 °F
Mostly Sunny
then Showers
Likely
Sunday Night
Low: 71 °F
Showers
Likely
Monday
High: 90 °F
Chance
Showers then
Showers
Likely

Detailed Forecast

Today

Sunny and hot, with a high near 101. Heat index values as high as 110. Calm wind becoming north around 5 mph in the afternoon.

Tonight

Clear, with a low around 77. Light and variable wind.

Friday

A slight chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 102. Heat index values as high as 111. Light west wind. Chance of precipitation is 20%.

Friday Night

Partly cloudy, with a low around 76. Calm wind.

Independence Day

Showers and thunderstorms likely after 2pm. Mostly sunny and hot, with a high near 99. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 60%.

Saturday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

Sunday

Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 95. Chance of precipitation is 60%.

Sunday Night

Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

Monday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 70%.

Monday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

Tuesday

A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 30%.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

Wednesday

A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.