National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Severe Weather and Flash Flooding

The threat for severe weather and flash flooding continues in several spots across the country. An enhanced risk of severe storms is likely from KS to TX, w/ very large hail and damaging winds being the main concern, while a slight severe threat covers the Mid-Atlantic. Excessive rainfall w/ flooding remains possible from the southern Appalachians into the Mid-Atlantic and over the central Plains. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

71°F

22°C

Humidity 94%
Wind Speed S 5 mph
Barometer 29.89 in (1012.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 19 Jun 12:52 am EDT
Extended Forecast for

Fairfax VA

  • Overnight

    Overnight: Scattered showers and thunderstorms. Patchy fog after 5am. Otherwise, cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 30%.

    Scattered
    Showers and
    Patchy Fog

    Low: 68 °F

  • Wednesday

    Wednesday: A chance of showers, then showers and thunderstorms likely after 11am. Patchy fog before 9am. Otherwise, cloudy, with a high near 82. South wind around 6 mph. 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 T-storms
    Likely

    High: 82 °F

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 69. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms
    Likely then
    Chance
    Showers

    Low: 69 °F

  • Thursday

    Thursday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 87. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers then
    T-storms
    Likely

    High: 87 °F

  • Thursday
    Night

    Thursday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 67. West wind 7 to 10 mph. Chance of precipitation is 60%.

    T-storms
    Likely then
    Chance
    Showers

    Low: 67 °F

  • Friday

    Friday: A slight chance of showers before 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 81 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 61.

    Mostly Clear

    Low: 61 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    Mostly Sunny

    High: 81 °F

  • Saturday
    Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 65 °F

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Patchy fog after 5am. Otherwise, cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers, then showers and thunderstorms likely after 11am. Patchy fog before 9am. Otherwise, cloudy, with a high near 82. South wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 69. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 87. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 67. West wind 7 to 10 mph. Chance of precipitation is 60%.
Friday
A slight chance of showers before 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Fairfax VA
 38.85°N 77.29°W (Elev. 400 ft)
Last Update:
10:31 pm EDT Jun 18, 2019
Forecast Valid:
1am EDT Jun 19, 2019-6pm EDT Jun 25, 2019
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation