Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Partly Cloudy

68°F

20°C

Humidity 78%
Wind Speed Calm
Barometer 29.98 in (1014.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 15 Apr 12:52 am EDT
Extended Forecast for

2 Miles NNW Great Falls VA

  • Overnight

    Overnight: Partly cloudy, with a low around 66. West wind around 5 mph becoming calm.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 92. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 70. Southwest wind 3 to 6 mph.

    Low: 70 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 91. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 91 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 2am.  Mostly cloudy, with a low around 69. West wind 5 to 7 mph.  Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers.  Partly sunny, with a high near 85. Chance of precipitation is 30%.

    High: 85 °F

    Chance
    Showers

  • Friday Night

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

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers.  Mostly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 66. West wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 92. Calm wind becoming southwest 5 to 8 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 70. Southwest wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 91. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 69. West wind 5 to 7 mph. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 89.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Sunday Night
Showers likely. Partly cloudy, with a low around 42. Chance of precipitation is 60%.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Great Falls VA
 39.03°N 77.32°W (Elev. 285 ft)
10:53 pm EDT Apr 14, 2026
12am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database