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.

Overcast

55°F

13°C

Humidity 45%
Wind Speed SE 13 G 23 mph
Barometer 30.23 in (1023.6 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 15 Mar 1:52 pm EDT
Extended Forecast for

5 Miles NW Catharpin VA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 59. Southeast wind around 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers, with thunderstorms also possible after 5am.  Low around 54. Southeast wind 14 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers

  • Monday

    Monday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rainfall.  High near 72. Breezy, with a south wind 17 to 22 mph, with gusts as high as 38 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 72 °F

    Heavy Rain
    and Breezy

  • Monday Night

    Monday Night: Rain showers, possibly mixing with snow after 11pm, then gradually ending. The rain could be heavy at times.  Low around 28. West wind 14 to 16 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 28 °F

    Rain/Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. West wind 10 to 15 mph, with gusts as high as 29 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23.

    Low: 23 °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 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 59. Southeast wind around 15 mph, with gusts as high as 25 mph.
Tonight
Showers, with thunderstorms also possible after 5am. Low around 54. Southeast wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. Some of the storms could produce heavy rainfall. High near 72. Breezy, with a south wind 17 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers, possibly mixing with snow after 11pm, then gradually ending. The rain could be heavy at times. Low around 28. West wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday
Mostly sunny, with a high near 39. West wind 10 to 15 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Mostly cloudy, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Catharpin VA
 38.9°N 77.62°W (Elev. 348 ft)
1:53 pm EDT Mar 15, 2026
2pm EDT Mar 15, 2026-6pm EDT Mar 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