Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into the Mid-Atlantic; Elevated to Critical Fire Concerns Out West

Heavy rainfall will continue through midweek from the lower Mississippi Valley to the Mid-Atlantic. Elevated to critical fire weather threat continues across the Central Great Basin and the Central Rockies; and there is an elevated fire risk from southwestern Oregon to northern California. Record river flooding will continue in portions of the Midwest and the Carolinas. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

65°F

18°C

Humidity 93%
Wind Speed E 9 mph
Barometer 30.35 in (1027.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 24 Sep 12:52 pm EDT
Extended Forecast for

3 Miles ESE Chantilly VA

  • This
    Afternoon

    This Afternoon: Light rain with occasional drizzle before 2pm, then rain, mainly after 2pm.  High near 65. East wind around 10 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Light Rain

    High: 65 °F

  • Tonight

    Tonight: Rain before 11pm, then rain with patchy drizzle, mainly after 11pm.  Patchy fog after 5am. Low around 62. East wind 7 to 10 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain and
    Patchy Fog

    Low: 62 °F

  • Tuesday

    Tuesday: Rain likely, mainly before 2pm.  Patchy fog before 8am.  Otherwise, cloudy, with a high near 78. South wind around 7 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain Likely
    and Patchy
    Fog

    High: 78 °F

  • Tuesday
    Night

    Tuesday Night: A chance of rain, mainly before 8pm.  Mostly cloudy, with a low around 68. Southeast wind 3 to 6 mph.  Chance of precipitation is 30%.

    Chance Rain

    Low: 68 °F

  • Wednesday

    Wednesday: A slight chance of showers, then showers and possibly a thunderstorm after 2pm.  High near 83. Southwest wind 5 to 8 mph.  Chance of precipitation is 80%.

    Slight Chance
    Showers then
    Showers

    High: 83 °F

  • Wednesday
    Night

    Wednesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers.  Low around 61. Chance of precipitation is 80%.

    Showers

    Low: 61 °F

  • Thursday

    Thursday: A chance of showers.  Mostly cloudy, with a high near 69. Chance of precipitation is 50%.

    Chance
    Showers

    High: 69 °F

  • Thursday
    Night

    Thursday Night: A chance of showers.  Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Chance
    Showers

    Low: 60 °F

  • Friday

    Friday: Partly sunny, with a high near 75.

    Partly Sunny

    High: 75 °F

Detailed Forecast

This Afternoon
Light rain with occasional drizzle before 2pm, then rain, mainly after 2pm. High near 65. East wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain before 11pm, then rain with patchy drizzle, mainly after 11pm. Patchy fog after 5am. Low around 62. East wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain likely, mainly before 2pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 78. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A chance of rain, mainly before 8pm. Mostly cloudy, with a low around 68. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 83. Southwest wind 5 to 8 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 61. Chance of precipitation is 80%.
Thursday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Friday
Partly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 77.
Click Map For Forecast
Point Forecast:
3 Miles ESE Chantilly VA
 38.85°N 77.35°W (Elev. 400 ft)
10:30 am EDT Sep 24, 2018
1pm EDT Sep 24, 2018-6pm EDT Sep 30, 2018
 
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Additional Resources

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