Cool and dry for much of the Central Plains and Rockies. Showers over the Great Lakes and Ohio Valley.

Unsettled weather conditions are likely across portions of the Great Lakes and Ohio Valley, with scattered to numerous showers. Expect cool and mostly dry conditions across much of the central U.S. and extending westward towards the Rocky Mountains. A few showers will be possible over the Pacific Northwest. Showers will also be possible over mountainous areas of Arizona and New Mexico. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fog/Mist

63°F

17°C

Humidity 97%
Wind Speed E 10 mph
Barometer 29.96 in (1014.3 mb)
Dewpoint 62°F (17°C)
Visibility 3.00 mi
Last update 28 Sep 5:52 am EDT
Extended Forecast for

Fairfax VA

Flash Flood Watch September 29, 02:00am until September 30, 08:00am
Click here for hazard details and duration
Flash Flood Watch
  • Today

    Today: A slight chance of showers before 9am, then a chance of showers and thunderstorms between 9am and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 73. Light and variable wind becoming east 5 to 8 mph in the morning.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

    High: 73 °F

  • Tonight

    Tonight: Showers and possibly a thunderstorm.  Patchy fog before 9pm, then patchy fog after 3am. Low around 65. East wind around 8 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Showers and
    Patchy Fog

    Low: 65 °F

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 9am.  Patchy fog before 9am. High near 73. East wind 8 to 10 mph.  Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.

    Showers and
    Patchy Fog

    High: 73 °F

  • Thursday
    Night

    Thursday Night: Showers and possibly a thunderstorm before 3am, then showers likely.  Low around 65. East wind 8 to 13 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Showers

    Low: 65 °F

  • Friday

    Friday: Showers likely.  Mostly cloudy, with a high near 72. East wind 7 to 9 mph.  Chance of precipitation is 60%.

    Showers
    Likely

    High: 72 °F

  • Friday
    Night

    Friday Night: Showers likely, mainly before 9pm.  Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 62 °F

  • Saturday

    Saturday: A chance of showers.  Partly sunny, with a high near 76. Chance of precipitation is 40%.

    Chance
    Showers

    High: 76 °F

  • Saturday
    Night

    Saturday Night: A chance of showers before 9pm.  Partly cloudy, with a low around 61. Chance of precipitation is 30%.

    Chance
    Showers then
    Partly Cloudy

    Low: 61 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    Mostly Sunny

    High: 76 °F

Detailed Forecast

Today
A slight chance of showers before 9am, then a chance of showers and thunderstorms between 9am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 73. Light and variable wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Patchy fog before 9pm, then patchy fog after 3am. Low around 65. East wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Showers, with thunderstorms also possible after 9am. Patchy fog before 9am. High near 73. East wind 8 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.
Thursday Night
Showers and possibly a thunderstorm before 3am, then showers likely. Low around 65. East wind 8 to 13 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Friday
Showers likely. Mostly cloudy, with a high near 72. East wind 7 to 9 mph. Chance of precipitation is 60%.
Friday Night
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Saturday Night
A chance of showers before 9pm. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 73.
Click Map For Forecast
Point Forecast:
Fairfax VA
 38.85°N 77.29°W (Elev. 400 ft)
5:02 am EDT Sep 28, 2016
6am EDT Sep 28, 2016-6pm EDT Oct 4, 2016
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database