Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Partly Cloudy

85°F

29°C

Humidity	43%
Wind Speed	Vrbl 3 mph
Barometer	29.95 in (1014.5 mb)
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	24 Aug 3:56 pm EDT

More Information:

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

Extended Forecast for

3 Miles W Dale City VA

Tonight
Low: 60 °F
Mostly Clear
Tuesday
High: 85 °F
Sunny
Tuesday Night
Low: 63 °F
Partly Cloudy
Wednesday
High: 88 °F
Mostly Sunny
Wednesday Night
Low: 70 °F
Chance
Showers
Thursday
High: 87 °F
Chance
Showers then
Showers
Thursday Night
Low: 69 °F
Showers then
Chance
T-storms
Friday
High: 87 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 69 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 60. Northwest wind around 6 mph becoming calm after midnight.

Tuesday

Sunny, with a high near 85. Northwest wind 3 to 7 mph.

Tuesday Night

Partly cloudy, with a low around 63. Calm wind.

Wednesday

Mostly sunny, with a high near 88. Calm wind becoming south 5 to 8 mph in the afternoon.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 7 mph. Chance of precipitation is 40%.

Thursday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. Chance of precipitation is 80%.

Thursday Night

Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 69. Chance of precipitation is 80%.

Friday

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 20%.

Friday Night

Partly cloudy, with a low around 69.

Saturday

Mostly sunny, with a high near 87.

Saturday Night

Partly cloudy, with a low around 68.

Sunday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

Sunday Night

Partly cloudy, with a low around 70.