Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72° N Lon: 77.52° W Elev: 194 ft.

Fair with Haze

80°F

27°C

Humidity	74%
Wind Speed	Vrbl 5 mph
Barometer	30.12 in (1020.4 mb)
Dewpoint	71°F (22°C)
Visibility	6.00 mi
Heat Index	83°F (28°C)
Last update	31 Aug 9:56 am EDT

More Information:

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

Detailed forecast for

Central and Southeast Prince William/Manassas/Manassas Park

Today

Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 90s. North winds around 5 mph. Chance of rain 20 percent.

Tonight

Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 70s. Southeast winds around 5 mph, becoming southwest after midnight. Chance of rain 30 percent.

Tuesday

Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. West winds around 5 mph. Chance of rain 20 percent.

Tuesday Night

Partly cloudy. Lows in the mid 70s. West winds around 5 mph.

Wednesday

Sunny, hot with highs in the upper 90s. Northwest winds around 5 mph.

Wednesday Night

Partly cloudy. Lows in the mid 70s.

Thursday

Mostly sunny. Hot with highs in the upper 90s.

Thursday Night

Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 40 percent.

Friday

Partly sunny with a chance of showers. Highs around 90. Chance of rain 40 percent.