Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

Manassas, Manassas Regional Airport/Harry P. Davis Field (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

78°F

26°C

Humidity	71%
Wind Speed	S 8 mph
Barometer	29.90 in (1012.9 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	1 Aug 11:56 pm EDT

More Information:

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

Extended Forecast for

3 Miles S Gainesville VA

Overnight
Low: 71 °F
Mostly Cloudy
Sunday
High: 84 °F
Chance
T-storms then
Showers
Likely
Sunday Night
Low: 70 °F
Showers
Likely and
Patchy Fog
Monday
High: 86 °F
Slight Chance
T-storms then
Showers
Likely
Monday Night
Low: 69 °F
Showers
Likely then
Chance
Showers
Tuesday
High: 86 °F
Slight Chance
Showers then
Showers
Likely
Tuesday Night
Low: 69 °F
Showers
Likely then
Chance
Showers
Wednesday
High: 87 °F
Partly Sunny
then Chance
T-storms
Wednesday Night
Low: 70 °F
Chance
T-storms

Detailed Forecast

Overnight

Mostly cloudy, with a low around 71. South wind around 8 mph.

Sunday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Southeast wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers and thunderstorms likely before 5am, then a slight chance of showers. Patchy fog between 11pm and 2am. Otherwise, mostly cloudy, with a low around 70. Southeast wind 5 to 7 mph becoming south after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. South wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. Light south wind. Chance of precipitation is 60%.

Tuesday

Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.

Tuesday 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 69. Chance of precipitation is 60%.

Wednesday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.

Wednesday Night

A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

Thursday

A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

Friday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.