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Deep Cold Trough Meets Gulf Moisture with Significant Impacts Across the Western and Central U.S.

A deep trough and associated cold front is bringing much below normal temperatures in the west, with low elevation snows. Strong winds and widespread snow, will impact the Great Basin, western mountains, and the Plains. The slowing front, will bring prolonged waves of heavy rain across the Mississippi Valley to the Great Lakes. Significant icing forecast north of the heavy rain. Big warm up east. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fog/Mist

46°F

8°C

Humidity 96%
Wind Speed S 12 mph
Barometer 30.33 in (1027.3 mb)
Dewpoint 45°F (7°C)
Visibility 6.00 mi
Wind Chill40°F (4°C)
Last update 19 Feb 4:52 pm EST
Extended Forecast for

Vienna VA

  • Washington's
    Birthday

    Washington's Birthday: Areas of drizzle.  Cloudy, with a high near 47. South wind around 9 mph.

    Areas Drizzle

    High: 47 °F

  • Tonight

    Tonight: Areas of drizzle before 7pm.  Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 47. South wind around 9 mph.

    Areas Drizzle
    and Patchy
    Fog then
    Patchy Fog

    Low: 47 °F

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 71. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.

    Patchy Fog
    then Mostly
    Sunny

    High: 71 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 56. Southwest wind 8 to 10 mph.

    Partly Cloudy

    Low: 56 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 76. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    Partly Sunny

    High: 76 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers, mainly after 1am.  Mostly cloudy, with a low around 51. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 51 °F

  • Thursday

    Thursday: Showers.  High near 54. Chance of precipitation is 80%.

    Showers

    High: 54 °F

  • Thursday
    Night

    Thursday Night: Showers likely.  Cloudy, with a low around 41. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 41 °F

  • Friday

    Friday: A chance of showers.  Mostly cloudy, with a high near 53. Chance of precipitation is 50%.

    Chance
    Showers

    High: 53 °F

Detailed Forecast

Washington's Birthday
Areas of drizzle. Cloudy, with a high near 47. South wind around 9 mph.
Tonight
Areas of drizzle before 7pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 47. South wind around 9 mph.
Tuesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 71. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 56. Southwest wind 8 to 10 mph.
Wednesday
Partly sunny, with a high near 76. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Thursday
Showers. High near 54. Chance of precipitation is 80%.
Thursday Night
Showers likely. Cloudy, with a low around 41. Chance of precipitation is 60%.
Friday
A chance of showers. Mostly cloudy, with a high near 53. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Saturday
Showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Saturday Night
Showers likely. Cloudy, with a low around 53. Chance of precipitation is 70%.
Sunday
Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 57.
Click Map For Forecast
Point Forecast:
Vienna VA
 38.89°N 77.25°W (Elev. 348 ft)
3:37 pm EST Feb 19, 2018
5pm EST Feb 19, 2018-6pm EST Feb 26, 2018
 
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