Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. 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.

Overcast

77°F

25°C

Humidity	94%
Wind Speed	SW 3 mph
Barometer	29.93 in (1013.7 mb)
Dewpoint	75°F (24°C)
Visibility	8.00 mi
Heat Index	78°F (26°C)
Last update	18 Jun 7:56 am EDT

More Information:

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

Extended Forecast for

Loch Lomond VA

Today
High: 90 °F
Mostly Sunny
then T-storms
Likely
Tonight
Low: 73 °F
Chance
T-storms then
Mostly Clear
Juneteenth
High: 94 °F
Sunny then
Showers
Likely
Thursday Night
Low: 65 °F
Showers
Likely then
Slight Chance
T-storms
Friday
High: 87 °F
Sunny
Friday Night
Low: 66 °F
Partly Cloudy
Saturday
High: 91 °F
Sunny
Saturday Night
Low: 71 °F
Partly Cloudy
Sunday
High: 96 °F
Mostly Sunny

Detailed Forecast

Today

Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 90. Light southwest wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 73. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.

Juneteenth

Showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 94. Heat index values as high as 101. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 65. Northwest wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Sunny, with a high near 87. Northwest wind around 6 mph.

Friday Night

Partly cloudy, with a low around 66.

Saturday

Sunny, with a high near 91.

Saturday Night

Partly cloudy, with a low around 71.

Sunday

Mostly sunny, with a high near 96.

Sunday Night

Mostly clear, with a low around 75.