Major Winter Storm in the North-Central U.S.; Severe Weather from the Mid-South to Ohio Valley

A major winter storm will bring a swath of heavy snowfall, strong winds, blizzard conditions and freezing rain to the Northern Plains into the Great Lakes region. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-south to the Ohio Valley and the Southeast. Critical fire weather concerns shift to the southern Rockies and Plains. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

42°F

6°C

Humidity 49%
Wind Speed E 3 mph
Barometer 30.31 in (1026.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 15 Mar 7:52 am EDT
Extended Forecast for

3 Miles SSW Ashburn VA

  • Today

    Today: Mostly cloudy, with a high near 59. Southeast wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers, mainly before 3am.  Low around 52. Southeast wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. Some of the storms could be severe.  High near 72. Breezy, with a south wind 16 to 22 mph, with gusts as high as 39 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 72 °F

    Severe
    Thunderstorms
    and Breezy

  • Monday Night

    Monday Night: Rain showers likely before 11pm, then rain likely, possibly mixed with snow showers.  Cloudy, then gradually becoming partly cloudy, with a low around 28. West wind 14 to 16 mph, with gusts as high as 33 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. West wind 11 to 18 mph, with gusts as high as 32 mph.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 59. Southeast wind 7 to 15 mph, with gusts as high as 25 mph.
Tonight
Showers, mainly before 3am. Low around 52. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. Some of the storms could be severe. High near 72. Breezy, with a south wind 16 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers likely before 11pm, then rain likely, possibly mixed with snow showers. Cloudy, then gradually becoming partly cloudy, with a low around 28. West wind 14 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 38. West wind 11 to 18 mph, with gusts as high as 32 mph.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 58.
Friday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Saturday
A chance of rain. Partly sunny, with a high near 58. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Ashburn VA
 39°N 77.49°W (Elev. 299 ft)
7:53 am EDT Mar 15, 2026
8am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
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Additional Resources

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