Threat For Severe Thunderstorms For The Mid Atlantic And Northeast; Hurricane Lane Continues Westward Across the Central Pacific

Showers and thunderstorms will impact the Mid Atlantic and Northeast U.S. on Tuesday. Some of the storms could produce damaging winds, large hail, and heavy rainfall. Localized flooding will be possible. The major I-95 cities from Washington D.C. to New York could be impacted. Major Hurricane Lane will turn northwest and could impact the Hawaiian Islands late week and into the weekend. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

74°F

23°C

Humidity 88%
Wind Speed SE 9 mph
Barometer 30.09 in (1018.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 21 Aug 12:52 am EDT
Extended Forecast for

3 Miles ESE Chantilly VA

  • Overnight

    Overnight: Isolated showers.  Cloudy, with a low around 69. East wind around 6 mph.  Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 69 °F

  • Tuesday

    Tuesday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Cloudy, with a high near 82. South wind around 7 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely

    High: 82 °F

  • Tuesday
    Night

    Tuesday Night: Scattered showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 70. South wind around 8 mph.  Chance of precipitation is 50%.

    Scattered
    Showers then
    Slight Chance
    Showers

    Low: 70 °F

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 84. Northwest wind 7 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    High: 84 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 62. Northwest wind around 9 mph.

    Partly Cloudy

    Low: 62 °F

  • Thursday

    Thursday: Sunny, with a high near 78.

    Sunny

    High: 78 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 59.

    Mostly Clear

    Low: 59 °F

  • Friday

    Friday: Sunny, with a high near 80.

    Sunny

    High: 80 °F

  • Friday
    Night

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

    Mostly Clear

    Low: 61 °F

Detailed Forecast

Overnight
Isolated showers. Cloudy, with a low around 69. East wind around 6 mph. Chance of precipitation is 20%.
Tuesday
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 82. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Scattered showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 70. South wind around 8 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Northwest wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 62. Northwest wind around 9 mph.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 69.
Monday
Mostly sunny, with a high near 89.
Click Map For Forecast
Point Forecast:
3 Miles ESE Chantilly VA
 38.85°N 77.35°W (Elev. 400 ft)
2:34 am EDT Aug 21, 2018
2am EDT Aug 21, 2018-6pm EDT Aug 27, 2018
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database