Heavy Rainfall and Flash Flood Threat for the Southern Plains Today; Severe Thunderstorms from the Northeast to the Ohio Valley

Heavy rains are leading to an elevated concern for flash flooding across parts of Oklahoma and Texas today, and this heavy rainfall will spread slowly east over the weekend. Severe thunderstorms may produce damaging winds and a few tornadoes across parts of the Northeast and Ohio Valley this afternoon and evening. Significant river flooding continues across the Carolinas. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

73°F

23°C

Humidity 90%
Wind Speed S 8 mph
Barometer 30.05 in (1017.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 21 Sep 8:52 pm EDT
Extended Forecast for

3 Miles W Fairfax VA

  • Tonight

    Tonight: Scattered showers, mainly between midnight and 5am.  Mostly cloudy, with a low around 69. Southwest wind 7 to 10 mph.  Chance of precipitation is 30%.

    Mostly Cloudy
    then
    Scattered
    Showers

    Low: 69 °F

  • Saturday

    Saturday: Mostly cloudy, with a high near 74. North wind 8 to 10 mph.

    Mostly Cloudy

    High: 74 °F

  • Saturday
    Night

    Saturday Night: A slight chance of showers before midnight, then a chance of rain after midnight.  Mostly cloudy, with a low around 59. North wind 6 to 8 mph.  Chance of precipitation is 50%.

    Slight Chance
    Showers then
    Chance Rain

    Low: 59 °F

  • Sunday

    Sunday: Rain likely.  Patchy fog.  Otherwise, cloudy, with a high near 64. Northeast wind around 6 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Rain Likely
    and Patchy
    Fog

    High: 64 °F

  • Sunday
    Night

    Sunday Night: A chance of rain.  Patchy fog.  Otherwise, cloudy, with a low around 58. Northeast wind around 6 mph.  Chance of precipitation is 50%.

    Chance Rain
    and Patchy
    Fog

    Low: 58 °F

  • Monday

    Monday: A chance of rain.  Cloudy, with a high near 67. Chance of precipitation is 50%.

    Chance Rain

    High: 67 °F

  • Monday
    Night

    Monday Night: Rain likely.  Cloudy, with a low around 63. Chance of precipitation is 60%.

    Rain Likely

    Low: 63 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms.  Cloudy, with a high near 76. Chance of precipitation is 50%.

    Chance
    T-storms

    High: 76 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers.  Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 67 °F

Detailed Forecast

Tonight
Scattered showers, mainly between midnight and 5am. Mostly cloudy, with a low around 69. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 74. North wind 8 to 10 mph.
Saturday Night
A slight chance of showers before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 59. North wind 6 to 8 mph. Chance of precipitation is 50%.
Sunday
Rain likely. Patchy fog. Otherwise, cloudy, with a high near 64. Northeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of rain. Patchy fog. Otherwise, cloudy, with a low around 58. Northeast wind around 6 mph. Chance of precipitation is 50%.
Monday
A chance of rain. Cloudy, with a high near 67. Chance of precipitation is 50%.
Monday Night
Rain likely. Cloudy, with a low around 63. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms. Cloudy, with a high near 76. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
Click Map For Forecast
Point Forecast:
3 Miles W Fairfax VA
 38.85°N 77.35°W (Elev. 400 ft)
8:03 pm EDT Sep 21, 2018
9pm EDT Sep 21, 2018-6pm EDT Sep 28, 2018
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database