Heat and Fire Weather Concerns West; Heavy Rain and Thunderstorms from Plains to mid-Atlantic

Thunderstorms and locally heavy rainfall is expected from the Central Plains to the Ohio Valley, mid-Atlantic and across the Southeast. Severe weather from the Upper Midwest to Central Plains increases on Friday. Major to Extreme HeatRisk continues across the Southern Plains to the lower Mississippi Valley late this week. Fire weather concerns for the northern Rockies and northern Plains today. Read More >

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

85°F

29°C

Humidity	61%
Wind Speed	Vrbl 5 mph
Barometer	29.98 in (1015.4 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	10 Sep 11:56 am EDT

More Information:

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

Extended Forecast for

4 Miles NNW Haymarket VA

This Afternoon
High: 86 °F
Partly Sunny
Tonight
Low: 66 °F
Chance
T-storms then
Showers
Likely
Friday
High: 80 °F
Chance
Showers then
Partly Sunny
Friday Night
Low: 66 °F
Increasing
Clouds
Saturday
High: 80 °F
Slight Chance
Showers then
Chance
Showers
Saturday Night
Low: 68 °F
Showers
Likely
Sunday
High: 84 °F
Partly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 67 °F
Partly Cloudy
Monday
High: 83 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Partly sunny, with a high near 86. West wind around 6 mph.

Tonight

A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 5am, then a chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 66. Light northwest wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A chance of showers before 8am. Mostly cloudy, with a high near 80. North wind 3 to 6 mph. Chance of precipitation is 30%.

Friday Night

Increasing clouds, with a low around 66. Calm wind.

Saturday

A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 80. Southeast wind 3 to 7 mph. Chance of precipitation is 50%.

Saturday Night

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

Sunday

A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 20%.

Sunday Night

Partly cloudy, with a low around 67.

Monday

Mostly sunny, with a high near 83.

Monday Night

Partly cloudy, with a low around 64.

Tuesday

Sunny, with a high near 85.

Tuesday Night

Mostly clear, with a low around 68.

Wednesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.