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Heavy rain and severe weather will exacerbate ongoing flooding in the central and southern U.S.

Additional heavy rain will increase the threat of flooding in the central and southern U.S. this weekend. There is a High Risk of excessive rainfall for parts of ArkLaTex, as well as the Mid-Mississippi and Lower Ohio River Valleys on Saturday. Severe thunderstorms, some of which could include significant tornadoes and very large hail, are also possible on Saturday for much of the same area. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fog

48°F

9°C

Humidity 100%
Wind Speed Calm
Barometer 30.17 in (1021.7 mb)
Dewpoint 48°F (9°C)
Visibility 0.25 mi
Last update 24 Feb 3:52 am EST
Extended Forecast for

Washington-Dulles International Airport VA

Dense Fog Advisory until February 24, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until February 24, 08:00am

    NOW until
    8:00am Sat

    Dense Fog Advisory

  • Overnight

    Overnight: Patchy drizzle. The drizzle could be heavy at times.  Patchy dense fog.  Otherwise, cloudy, with a low around 45. Light southwest wind.

    Patchy
    Drizzle and
    Patchy Dense
    Fog

    Low: 45 °F

  • Saturday

    Saturday: Patchy drizzle before 7am, then showers likely with patchy drizzle between 7am and 10am, then showers likely after 10am. The drizzle could be heavy at times.  Patchy dense fog.  Otherwise, cloudy, with a high near 52. Light and variable wind becoming east 5 to 8 mph in the afternoon.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Showers
    Likely and
    Patchy Dense
    Fog

    High: 52 °F

  • Saturday
    Night

    Saturday Night: Showers before 10pm, then showers with patchy drizzle after 10pm.  Patchy fog. Low around 49. Northeast wind 6 to 8 mph becoming southeast after midnight.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Showers and
    Patchy Fog

    Low: 49 °F

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm.  Cloudy, with a high near 70. Southeast wind 8 to 13 mph becoming southwest in the afternoon. Winds could gust 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.

    Showers
    Likely

    High: 70 °F

  • Sunday
    Night

    Sunday Night: A chance of showers, mainly after 1am.  Mostly cloudy, with a low around 46. Northwest wind 3 to 7 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 46 °F

  • Monday

    Monday: A slight chance of showers.  Partly sunny, with a high near 58. Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 58 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 35.

    Mostly Clear

    Low: 35 °F

  • Tuesday

    Tuesday: Sunny, with a high near 59.

    Sunny

    High: 59 °F

Detailed Forecast

Overnight
Patchy drizzle. The drizzle could be heavy at times. Patchy dense fog. Otherwise, cloudy, with a low around 45. Light southwest wind.
Saturday
Patchy drizzle before 7am, then showers likely with patchy drizzle between 7am and 10am, then showers likely after 10am. The drizzle could be heavy at times. Patchy dense fog. Otherwise, cloudy, with a high near 52. Light and variable wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers before 10pm, then showers with patchy drizzle after 10pm. Patchy fog. Low around 49. Northeast wind 6 to 8 mph becoming southeast after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 70. Southeast wind 8 to 13 mph becoming southwest in the afternoon. Winds could gust 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.
Sunday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 46. Northwest wind 3 to 7 mph. Chance of precipitation is 30%.
Monday
A slight chance of showers. Partly sunny, with a high near 58. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Thursday
Showers likely. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 51. Chance of precipitation is 40%.
Click Map For Forecast
Point Forecast:
Washington-Dulles International Airport VA
 38.96°N 77.47°W (Elev. 269 ft)
3:32 am EST Feb 24, 2018
4am EST Feb 24, 2018-6pm EST Mar 2, 2018
 
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