Sunday Brings Heat Relief For Some; Flash Flood Threat Along Cold Front

A cold front shifting across the Central Plains, Midwest, Great Lakes and Northeast on Sunday will bring some relief from the heat with cooler and drier air. Excessive heat holds Sunday roughly south of I-70. Heavy rain from thunderstorms along the front may bring flash flooding. Read More >

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

28°C

82°F

Humidity 74%
Wind Speed SW 7 km/h
Barometer 1008.5 mb (29.78 in)
Dewpoint 23°C (73°F)
Visibility 16 km
Heat Index31°C (87°F)
Last update 20 Jul 9:56 pm EDT
Extended Forecast for

Ledyard CT

Excessive Heat Warning until July 21, 08:00pm
Click here for hazard details and duration
Excessive Heat Warning
  •  
    Excessive Heat Warning until July 21, 08:00pm

    NOW until
    8:00pm Sun

    Excessive Heat Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Calm wind.

    Partly Cloudy

    Low: 25 °C

  • Sunday

    Sunday: Mostly sunny, with a high near 34. Heat index values as high as 39. West wind 10 to 14 km/h.

    Mostly Sunny

    High: 34 °C

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 21. West wind 8 to 10 km/h becoming north after midnight.

    Slight Chance
    T-storms

    Low: 21 °C

  • Monday

    Monday: A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Partly sunny, with a high near 27. Calm wind becoming southeast 5 to 10 km/h in the morning.  Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    Partly Sunny
    then Showers
    Likely

    High: 27 °C

  • Monday
    Night

    Monday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 20. Calm wind.  Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.

    Showers
    Likely

    Low: 20 °C

  • Tuesday

    Tuesday: Showers, mainly before noon.  High near 24. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 cm possible.

    Showers then
    Chance
    Showers

    High: 24 °C

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 17.

    Mostly Cloudy

    Low: 17 °C

  • Wednesday

    Wednesday: Partly sunny, with a high near 27.

    Partly Sunny

    High: 27 °C

Detailed Forecast

Tonight
Partly cloudy, with a low around 25. Calm wind.
Sunday
Mostly sunny, with a high near 34. Heat index values as high as 39. West wind 10 to 14 km/h.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 21. West wind 8 to 10 km/h becoming north after midnight.
Monday
A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 27. Calm wind becoming southeast 5 to 10 km/h in the morning. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Monday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 20. Calm wind. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.
Tuesday
Showers, mainly before noon. High near 24. Chance of precipitation is 80%. New precipitation amounts between 1 and 2 cm possible.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 27.
Wednesday Night
Partly cloudy, with a low around 17.
Thursday
Sunny, with a high near 27.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Sunny, with a high near 28.
Friday Night
Mostly clear, with a low around 19.
Saturday
Sunny, with a high near 27.
Click Map For Forecast
Point Forecast:
Ledyard CT
 41.44°N 72°W (Elev. 61 m)
6:53 pm EDT Jul 20, 2019
10pm EDT Jul 20, 2019-6pm EDT Jul 27, 2019
 
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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