Major Storm Pounding California; Winter Weather Threats Through This Weekend From the Central to Eastern U.S.

The last and strongest in a week-long parade of Pacific storms is pounding California with a variety of hazards, including heavy rainfall, mountain snow and flooding near recent wildfire burn scars. Meanwhile, a weak, progressive system may produce light snow from the Ohio Valley into the northern Mid-Atlantic region through early Friday. Then a major winter storm will develop for the weekend. Read More >

Current conditions at

White Plains - Westchester County Airport (KHPN)

Lat: 41.06°NLon: 73.7°WElev: 367ft.

Mostly Cloudy

26°F

-3°C

Humidity 48%
Wind Speed E 6 mph
Barometer 30.23 in (1024.8 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 17 Jan 9:56 pm EST
Extended Forecast for

Mamaroneck NY

Winter Storm Watch January 19, 12:00pm until January 20, 06:00pm
Click here for hazard details and duration
Winter Storm Watch
  • Tonight

    Tonight: Snow, mainly after midnight.  Steady temperature around 30. Wind chill values between 25 and 30. East wind around 6 mph.  Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.

    Chance Snow
    then Snow

    Low: 30 °F

  • Friday

    Friday: A 50 percent chance of snow, mainly before 10am.  Mostly cloudy, with a high near 41. Wind chill values between 25 and 35. Light and variable wind becoming west around 6 mph in the afternoon.

    Chance Snow
    then Mostly
    Cloudy

    High: 41 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 28. West wind around 8 mph becoming north after midnight.

    Partly Cloudy

    Low: 28 °F

  • Saturday

    Saturday: Snow likely after 4pm.  Partly sunny, with a high near 35. Wind chill values between 20 and 25. North wind 7 to 9 mph becoming east in the afternoon.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Mostly Sunny
    then Snow
    Likely

    High: 35 °F

  • Saturday
    Night

    Saturday Night: Snow and sleet before 1am, then freezing rain and sleet between 1am and 4am, then rain and sleet after 4am.  Temperature falling to near 29 by 8pm, then rising to around 33 during the remainder of the night. East wind 13 to 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New ice accumulation of around a 0.1 of an inch possible.  New snow and sleet accumulation of 3 to 5 inches possible.

    Wintry Mix

    Low: 29 °F

  • Sunday

    Sunday: Rain before 1pm, then snow, freezing rain, and sleet likely between 1pm and 4pm, then a chance of snow after 4pm.  Temperature falling to around 25 by 5pm. Chance of precipitation is 90%. Little or no ice accumulation expected.  New snow and sleet accumulation of less than one inch possible.

    Rain then
    Wintry Mix

    High: 34 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of snow before 7pm.  Mostly cloudy, with a low around 9. Blustery.

    Blustery.
    Chance Snow
    then Partly
    Cloudy

    Low: 9 °F

  • M.L.King
    Day

    M.L.King Day: Mostly sunny and cold, with a high near 16. Blustery.

    Mostly Sunny
    then Mostly
    Sunny and
    Blustery

    High: 16 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 10.

    Mostly Clear

    Low: 10 °F

Detailed Forecast

Tonight
Snow, mainly after midnight. Steady temperature around 30. Wind chill values between 25 and 30. East wind around 6 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.
Friday
A 50 percent chance of snow, mainly before 10am. Mostly cloudy, with a high near 41. Wind chill values between 25 and 35. Light and variable wind becoming west around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 28. West wind around 8 mph becoming north after midnight.
Saturday
Snow likely after 4pm. Partly sunny, with a high near 35. Wind chill values between 20 and 25. North wind 7 to 9 mph becoming east in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Snow and sleet before 1am, then freezing rain and sleet between 1am and 4am, then rain and sleet after 4am. Temperature falling to near 29 by 8pm, then rising to around 33 during the remainder of the night. East wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New ice accumulation of around a 0.1 of an inch possible. New snow and sleet accumulation of 3 to 5 inches possible.
Sunday
Rain before 1pm, then snow, freezing rain, and sleet likely between 1pm and 4pm, then a chance of snow after 4pm. Temperature falling to around 25 by 5pm. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow and sleet accumulation of less than one inch possible.
Sunday Night
A 30 percent chance of snow before 7pm. Mostly cloudy, with a low around 9. Blustery.
M.L.King Day
Mostly sunny and cold, with a high near 16. Blustery.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Mostly sunny, with a high near 29.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Partly sunny, with a high near 38. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Mamaroneck NY
 40.95°N 73.73°W (Elev. 7 ft)
6:24 pm EST Jan 17, 2019
10pm EST Jan 17, 2019-6pm EST Jan 24, 2019
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database