Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

73°F

23°C

Humidity	74%
Wind Speed	N 6 mph
Barometer	30.02 in (1016.8 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	4 Aug 2:56 am EDT

More Information:

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

Extended Forecast for

5 Miles SSE Washington Manassas Airport VA

Overnight
Low: 65 °F
Mostly Cloudy
Tuesday
High: 86 °F
Partly Sunny
Tuesday Night
Low: 69 °F
Chance
Showers then
Showers and
Patchy Fog
Wednesday
High: 87 °F
Showers
Likely and
Patchy Fog
Wednesday Night
Low: 71 °F
Chance
T-storms then
Slight Chance
Showers
Thursday
High: 91 °F
Mostly Sunny
Thursday Night
Low: 72 °F
Partly Cloudy
Friday
High: 91 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 71 °F
Chance
T-storms

Detailed Forecast

Overnight

Mostly cloudy, with a low around 65. Calm wind.

Tuesday

Partly sunny, with a high near 86. Northeast wind 3 to 5 mph.

Tuesday Night

Showers and thunderstorms likely before 4am, then showers and possibly a thunderstorm between 4am and 5am, then showers likely after 5am. Patchy fog after 4am. Low around 69. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers and thunderstorms likely before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 87. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 71. Light south wind. Chance of precipitation is 30%.

Thursday

Mostly sunny, with a high near 91.

Thursday Night

Partly cloudy, with a low around 72.

Friday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 40%.

Friday Night

A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.

Saturday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 50%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.