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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Current conditions at

Norfolk, Naval Air Station (KNGU)

Lat: 36.83°NLon: -76.3°WElev: 13ft.

Fair

28°F

-2°C

Humidity 43%
Wind Speed N 12 mph
Barometer 30.34 in (1027.3 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 11 Feb 11:59 pm EST
Extended Forecast for

Portsmouth VA

Winter Weather Advisory February 12, 07:00am until February 13, 12:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Overnight

    Overnight: Increasing clouds, with a low around 23. North wind 5 to 8 mph.

    Increasing
    Clouds

    Low: 23 °F

  • Friday

    Friday: Snow, mainly after 1pm.  High near 32. Light and variable wind.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Chance Snow
    then Snow

    High: 32 °F

  • Friday
    Night

    Friday Night: A chance of snow before midnight.  Cloudy during the early evening, then gradual clearing, with a low around 25. Light and variable wind becoming northwest 11 to 16 mph in the evening.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Chance Snow
    then Partly
    Cloudy

    Low: 25 °F

  • Saturday

    Saturday: Sunny, with a high near 30. Blustery, with a northwest wind 18 to 23 mph, with gusts as high as 37 mph.

    Sunny and
    Blustery

    High: 30 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 16. Northwest wind around 16 mph.

    Partly Cloudy

    Low: 16 °F

  • Sunday

    Sunday: Sunny, with a high near 27.

    Sunny

    High: 27 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 19.

    Partly Cloudy

    Low: 19 °F

  • Washington's
    Birthday

    Washington's Birthday: A chance of snow before 1pm, then a chance of rain.  Mostly cloudy, with a high near 41. Chance of precipitation is 40%.

    Chance Snow
    then Chance
    Rain/Snow

    High: 41 °F

  • Monday
    Night

    Monday Night: Rain likely.  Cloudy, with a low around 40. Chance of precipitation is 70%.

    Rain Likely

    Low: 40 °F

Detailed Forecast

Overnight
Increasing clouds, with a low around 23. North wind 5 to 8 mph.
Friday
Snow, mainly after 1pm. High near 32. Light and variable wind. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday Night
A chance of snow before midnight. Cloudy during the early evening, then gradual clearing, with a low around 25. Light and variable wind becoming northwest 11 to 16 mph in the evening. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday
Sunny, with a high near 30. Blustery, with a northwest wind 18 to 23 mph, with gusts as high as 37 mph.
Saturday Night
Partly cloudy, with a low around 16. Northwest wind around 16 mph.
Sunday
Sunny, with a high near 27.
Sunday Night
Partly cloudy, with a low around 19.
Washington's Birthday
A chance of snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Monday Night
Rain likely. Cloudy, with a low around 40. Chance of precipitation is 70%.
Tuesday
Rain likely. Cloudy, with a high near 49. Chance of precipitation is 70%.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 44.
Click Map For Forecast
Point Forecast:
Portsmouth VA
 36.83°N 76.3°W (Elev. 3 ft)
10:03 pm EST Feb 11, 2016
12am EST Feb 12, 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