Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

72°F

22°C

Humidity	84%
Wind Speed	S 3 mph
Barometer	30.01 in (1016.5 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	27 Aug 1:56 am EDT

More Information:

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

Extended Forecast for

5 Miles NW Dale City VA

Overnight
Low: 70 °F
Slight Chance
T-storms
Thursday
High: 89 °F
Mostly Sunny
then Severe
Thunderstorms
Thursday Night
Low: 68 °F
Severe
Thunderstorms
then
Scattered
Showers and
Patchy Fog
Friday
High: 87 °F
Patchy Fog
then Mostly
Sunny
Friday Night
Low: 68 °F
Mostly Cloudy
then Patchy
Fog
Saturday
High: 88 °F
Mostly Sunny
Saturday Night
Low: 68 °F
Mostly Clear
then Patchy
Fog
Sunday
High: 90 °F
Areas Fog
then Sunny
Sunday Night
Low: 70 °F
Mostly Clear

Detailed Forecast

Overnight

A slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 70. South wind around 6 mph. Chance of precipitation is 20%.

Thursday

Scattered showers and thunderstorms after 2pm. Some of the storms could be severe. Mostly sunny, with a high near 89. South wind 5 to 8 mph. Chance of precipitation is 40%.

Thursday Night

Scattered showers and thunderstorms before 11pm, then scattered showers between 11pm and 2am. Some of the storms could be severe. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 68. Light and variable wind. Chance of precipitation is 40%.

Friday

Patchy fog before 10am. Otherwise, partly sunny, with a high near 87. Light north wind.

Friday Night

Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 68. Calm wind.

Saturday

Mostly sunny, with a high near 88.

Saturday Night

Patchy fog after 3am. Otherwise, mostly clear, with a low around 68.

Sunday

Areas of fog before 8am. Otherwise, sunny, with a high near 90.

Sunday Night

Mostly clear, with a low around 70.