Severe Thunderstorm and Flash Flooding Threats in the South

Organized severe thunderstorms capable of producing mainly large hail and perhaps damaging winds are expected across portions of Louisiana this afternoon with a second round further west tonight. Heavy thunderstorms may lead to flash flooding over portions of the northern Gulf Coast today through Saturday. Several inches of excessive rainfall are possible with Flash Flood Watches in effect. Read More >

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

45°F

7°C

Humidity 83%
Wind Speed S 5 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 13 Apr 7:56 pm EDT
Extended Forecast for

Old Lyme CT

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. Southwest wind 3 to 5 mph.

    Mostly Cloudy

    Low: 42 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 58. Light and variable wind becoming southeast 6 to 11 mph in the morning.

    Partly Sunny

    High: 58 °F

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of rain after 1am.  Mostly cloudy, with a low around 43. Southeast wind around 9 mph.

    Mostly Cloudy
    then Chance
    Rain

    Low: 43 °F

  • Thursday

    Thursday: Rain.  High near 50. East wind 11 to 17 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Rain

    High: 50 °F

  • Thursday
    Night

    Thursday Night: Rain.  Low around 37. Northeast wind around 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    Rain

    Low: 37 °F

  • Friday

    Friday: Rain likely, mainly before 8am.  Mostly cloudy, with a high near 48. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain Likely

    High: 48 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 38.

    Mostly Cloudy

    Low: 38 °F

  • Saturday

    Saturday: Partly sunny, with a high near 54.

    Partly Sunny

    High: 54 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 40.

    Mostly Cloudy

    Low: 40 °F

Detailed Forecast

Tonight
Mostly cloudy, with a low around 42. Southwest wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 58. Light and variable wind becoming southeast 6 to 11 mph in the morning.
Wednesday Night
A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 43. Southeast wind around 9 mph.
Thursday
Rain. High near 50. East wind 11 to 17 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 37. Northeast wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Friday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 48. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 60.
Click Map For Forecast
Point Forecast:
Old Lyme CT
 41.31°N 72.33°W (Elev. 43 ft)
6:17 pm EDT Apr 13, 2021
8pm EDT Apr 13, 2021-6pm EDT Apr 20, 2021
 
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Additional Resources

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Hourly Weather Forecast

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