Heavy Lake Effect Snow and Bitterly Cold Temperatures

A bitterly cold airmass will settle over much of the central and eastern U.S over the next several days. Well below normal temperatures and cold wind chills will be common. In addition, heavy lake effect snow will be possible especially downwind of Lakes Erie and Ontario, where up to one foot of additional snow is forecast by Sunday morning.
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Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 39.08°NLon: -77.16°WElev: 13ft.

Partly Cloudy

24°F

-4°C

Humidity 36%
Wind Speed NW 18 G 25 mph
Barometer 30.14 in (1020.6 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 11 Feb 9:52 am EST
Extended Forecast for

Rockville MD

  • Today

    Today: Partly sunny, with a high near 28. Northwest wind 13 to 17 mph, with gusts as high as 29 mph.

    Partly Sunny

    High: 28 °F

  • Tonight

    Tonight: Mostly clear, with a low around 15. Northwest wind 5 to 13 mph, with gusts as high as 21 mph.

    Mostly Clear

    Low: 15 °F

  • Friday

    Friday: Mostly cloudy, with a high near 29. Light southwest wind becoming south 5 to 9 mph in the morning.

    Mostly Cloudy

    High: 29 °F

  • Friday
    Night

    Friday Night: A slight chance of snow showers.  Mostly cloudy, with a low around 17. South wind 6 to 16 mph becoming northwest after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 20%.

    Slight Chance
    Snow Showers

    Low: 17 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 21. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 36 mph.

    Mostly Sunny
    and Blustery

    High: 21 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 7. Blustery.

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

    Low: 7 °F

  • Sunday

    Sunday: Sunny, with a high near 22.

    Sunny

    High: 22 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 15.

    Mostly Cloudy

    Low: 15 °F

  • Washington's
    Birthday

    Washington's Birthday: A chance of snow.  Mostly cloudy, with a high near 32. Chance of precipitation is 40%.

    Chance Snow

    High: 32 °F

Detailed Forecast

Today
Partly sunny, with a high near 28. Northwest wind 13 to 17 mph, with gusts as high as 29 mph.
Tonight
Mostly clear, with a low around 15. Northwest wind 5 to 13 mph, with gusts as high as 21 mph.
Friday
Mostly cloudy, with a high near 29. Light southwest wind becoming south 5 to 9 mph in the morning.
Friday Night
A slight chance of snow showers. Mostly cloudy, with a low around 17. South wind 6 to 16 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 21. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 36 mph.
Saturday Night
Partly cloudy, with a low around 7. Blustery.
Sunday
Sunny, with a high near 22.
Sunday Night
Mostly cloudy, with a low around 15.
Washington's Birthday
A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 40%.
Monday Night
Snow likely. Cloudy, with a low around 28. Chance of precipitation is 70%.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Partly sunny, with a high near 44.
Click Map For Forecast
Point Forecast:
Rockville MD
 39.08°N 77.16°W (Elev. 430 ft)
9:34 am EST Feb 11, 2016
10am EST Feb 11, 2016-6pm EST Feb 17, 2016
 
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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