Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. Read More >

Current conditions at

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

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

69°F

21°C

Humidity	70%
Wind Speed	W 5 mph
Barometer	29.85 in (1011.3 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Last update	30 Jul 6:56 am EDT

More Information:

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

Extended Forecast for

Loch Lomond VA

Today
High: 87 °F
Sunny
Tonight
Low: 66 °F
Mostly Clear
Friday
High: 90 °F
Sunny
Friday Night
Low: 67 °F
Partly Cloudy
Saturday
High: 91 °F
Partly Sunny
Saturday Night
Low: 70 °F
Mostly Cloudy
then Chance
Showers
Sunday
High: 85 °F
Showers
Likely
Sunday Night
Low: 68 °F
Showers
Likely
Monday
High: 87 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 87. Northwest wind 9 to 13 mph, with gusts as high as 23 mph.

Tonight

Mostly clear, with a low around 66. Northwest wind around 6 mph becoming calm in the evening.

Friday

Sunny, with a high near 90. Light northwest wind.

Friday Night

Partly cloudy, with a low around 67. Calm wind.

Saturday

Partly sunny, with a high near 91. Light south wind increasing to 5 to 10 mph in the afternoon.

Saturday Night

A chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

Sunday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.

Sunday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

Monday

A chance of showers and thunderstorms, mainly after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 50%.

Monday Night

A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

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. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

Wednesday

A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 40%.