Tropical Depression Bertha Lifting North; Isolated Severe Across Southern U.S.; Heat Continues In West

Tropical Depression Bertha continues to weaken and lift north toward the central Appalachians and eastern Ohio Valley. Heavy rain, gusty winds and flooding are likely. Meanwhile, isolated severe thunderstorms are possible on Thursday from the Southeast to south-central High Plains. Finally, the ongoing heat wave continues in the West and will expand into the Rockies by the weekend. Read More >

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Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

74°F

23°C

Humidity	69%
Wind Speed	S 7 mph
Barometer	30.13 in (1020.1 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	27 May 8:52 pm EDT

More Information:

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

Extended Forecast for

Fairfax VA

Tonight

Showers
Likely and
Areas Fog
Low: 68 °F
Thursday

Showers
Likely and
Patchy Fog
High: 81 °F
Thursday
Night

Chance
Showers
Low: 71 °F
Friday

Chance
Showers then
Showers
Likely
High: 85 °F
Friday
Night

Showers
Likely
Low: 68 °F
Saturday

Chance
Showers
High: 79 °F
Saturday
Night

Mostly Clear
Low: 57 °F
Sunday

Mostly Sunny
High: 72 °F
Sunday
Night

Mostly Clear
Low: 51 °F

Detailed Forecast

Tonight

Showers likely, with thunderstorms also possible after 2am. Areas of fog after 11pm. Otherwise, cloudy, with a low around 68. Southeast wind 8 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers likely and possibly a thunderstorm. Patchy fog before 9am. Otherwise, cloudy, with a high near 81. Southeast wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers. Mostly cloudy, with a low around 71. South wind 8 to 10 mph. Chance of precipitation is 30%.

Friday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. South wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 68. South wind 5 to 10 mph. Chance of precipitation is 60%.

Saturday

A chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.

Saturday Night

Mostly clear, with a low around 57.

Sunday

Mostly sunny, with a high near 72.

Sunday Night

Mostly clear, with a low around 51.

Monday

Sunny, with a high near 70.

Monday Night

Partly cloudy, with a low around 51.