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.

Fair

85°F

29°C

Humidity	43%
Wind Speed	Vrbl 5 mph
Barometer	29.96 in (1014.8 mb)
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	24 Aug 2:56 pm EDT

More Information:

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

Extended Forecast for

Haymarket VA

Tonight
Low: 59 °F
Mostly Clear
Tuesday
High: 85 °F
Sunny
Tuesday Night
Low: 61 °F
Partly Cloudy
Wednesday
High: 87 °F
Mostly Sunny
Wednesday Night
Low: 69 °F
Chance
Showers
Thursday
High: 87 °F
Chance
Showers then
Showers
Likely
Thursday Night
Low: 68 °F
Showers
Likely then
Chance
T-storms
Friday
High: 87 °F
Partly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 67 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 59. Northwest wind 5 to 7 mph becoming calm in the evening.

Tuesday

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

Tuesday Night

Partly cloudy, with a low around 61. Calm wind.

Wednesday

Mostly sunny, with a high near 87. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South wind around 7 mph. Chance of precipitation is 30%.

Thursday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

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 67.

Saturday

Mostly sunny, with a high near 86.

Saturday Night

Partly cloudy, with a low around 67.

Sunday

Mostly sunny, with a high near 87.

Sunday Night

Partly cloudy, with a low around 69.