Major Winter Storm System Will Bring A Variety Of Impacts To The Central, Southern, And Eastern U.S. Through The Weekend

An impactful winter storm will track from the Plains to New England through Sunday, with bitter cold behind it. Heavy snow is likely from the Corn Belt to interior Northeast, with significant ice accumulations in the Ohio Valley and New England. Farther south, heavy rain could lead to flooding in the Tennessee Valley on Saturday, with isolated severe thunderstorms in the lower Mississippi Valley. Read More >

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

A Few Clouds

3°C

37°F

Humidity 86%
Wind Speed W 11 km/h
Barometer 1017.7 mb (30.05 in)
Dewpoint 1°C (33°F)
Visibility 16 km
Wind Chill0°C (32°F)
Last update 18 Jan 4:56 pm EST
Extended Forecast for

Groton / New London Airport CT

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

    Tonight: Partly cloudy, with a low around -4. West wind 8 to 13 km/h becoming north after midnight.

    Partly Cloudy

    Low: -4 °C

  • Saturday

    Saturday: A 30 percent chance of snow after 4pm.  Increasing clouds, with a high near 1. Wind chill values between -5 and -10. East wind 13 to 18 km/h.

    Mostly Sunny
    then Chance
    Snow

    High: 1 °C

  • Saturday
    Night

    Saturday Night: Snow before 1am, then snow and sleet between 1am and 4am, then rain after 4am.  Temperature rising to around 2 by 4am. Wind chill values between -5 and -10. East wind 24 to 29 km/h, with gusts as high as 55 km/h.  Chance of precipitation is 100%. New snow and sleet accumulation of 6 to 10 centimeters possible.

    Snow then
    Wintry Mix

    Low: -1 °C

  • Sunday

    Sunday: Rain before 1pm, then freezing rain and sleet between 1pm and 4pm, then a chance of snow and sleet after 4pm.  Temperature falling to around -3 by 5pm. Wind chill values between -10 and zero. Southeast wind 21 to 29 km/h becoming northwest in the afternoon. Winds could gust as high as 50 km/h.  Chance of precipitation is 100%. Little or no ice accumulation expected.  New snow and sleet accumulation of 1 to 2 centimeters possible.

    Rain then
    Wintry Mix

    High: 3 °C

  • Sunday
    Night

    Sunday Night: A chance of snow and sleet before 7pm, then a chance of snow between 7pm and 10pm.  Mostly cloudy, with a low around -14. Blustery, with a northwest wind 27 to 32 km/h, with gusts as high as 50 km/h.  Chance of precipitation is 30%.

    Blustery.
    Chance
    Snow/Sleet
    then Partly
    Cloudy

    Low: -14 °C

  • M.L.King
    Day

    M.L.King Day: Mostly sunny and cold, with a high near -11. Blustery.

    Cold and
    Blustery

    High: -11 °C

  • Monday
    Night

    Monday Night: Mostly clear, with a low around -14. Blustery.

    Mostly Clear
    and Blustery
    then Mostly
    Clear

    Low: -14 °C

  • Tuesday

    Tuesday: Sunny, with a high near -3.

    Sunny

    High: -3 °C

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around -4.

    Mostly Cloudy

    Low: -4 °C

Detailed Forecast

Tonight
Partly cloudy, with a low around -4. West wind 8 to 13 km/h becoming north after midnight.
Saturday
A 30 percent chance of snow after 4pm. Increasing clouds, with a high near 1. Wind chill values between -5 and -10. East wind 13 to 18 km/h.
Saturday Night
Snow before 1am, then snow and sleet between 1am and 4am, then rain after 4am. Temperature rising to around 2 by 4am. Wind chill values between -5 and -10. East wind 24 to 29 km/h, with gusts as high as 55 km/h. Chance of precipitation is 100%. New snow and sleet accumulation of 6 to 10 centimeters possible.
Sunday
Rain before 1pm, then freezing rain and sleet between 1pm and 4pm, then a chance of snow and sleet after 4pm. Temperature falling to around -3 by 5pm. Wind chill values between -10 and zero. Southeast wind 21 to 29 km/h becoming northwest in the afternoon. Winds could gust as high as 50 km/h. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 1 to 2 centimeters possible.
Sunday Night
A chance of snow and sleet before 7pm, then a chance of snow between 7pm and 10pm. Mostly cloudy, with a low around -14. Blustery, with a northwest wind 27 to 32 km/h, with gusts as high as 50 km/h. Chance of precipitation is 30%.
M.L.King Day
Mostly sunny and cold, with a high near -11. Blustery.
Monday Night
Mostly clear, with a low around -14. Blustery.
Tuesday
Sunny, with a high near -3.
Tuesday Night
Mostly cloudy, with a low around -4.
Wednesday
A chance of rain, snow, and sleet before 8am, then a chance of rain. Mostly cloudy, with a high near 7. Chance of precipitation is 40%.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 3.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 5.
Thursday Night
A 30 percent chance of snow. Partly cloudy, with a low around -3.
Friday
Mostly sunny, with a high near 2.
Click Map For Forecast
Point Forecast:
Groton / New London Airport CT
 41.34°N 72.05°W (Elev. 15 m)
3:11 pm EST Jan 18, 2019
5pm EST Jan 18, 2019-6pm EST Jan 25, 2019
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database