Dangerous Heat in the Northeast and Northwest U.S.; Areas of Excessive Rainfall In the Ohio Valley and Southwest

Dangerous heat will continue to impact portions of the Northwest and Northeast U.S. through this evening. Monsoon showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region into the Great Basin this week. A slow moving cold front will bring heavy thunderstorms which may produce excessive rainfall over the Ohio Valley and Mid-Atlantic through Wednesday. Read More >

Hazardous Weather Conditions

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Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

A Few Clouds

87°F

31°C

Humidity	67%
Wind Speed	SW 10 mph
Barometer	29.86 in (1011.2 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	96°F (36°C)
Last update	9 Aug 4:56 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Gales Ferry CT

Heat Advisory until August 9, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until August 9, 08:00pm

NOW until
8:00pm Tue

Heat Advisory
This
Afternoon

Scattered
T-storms
High: 89 °F
Tonight

Scattered
T-storms then
Mostly Cloudy
Low: 68 °F
Wednesday

Partly Sunny
High: 84 °F
Wednesday
Night

Showers
Likely
Low: 67 °F
Thursday

Showers
Likely
High: 81 °F
Thursday
Night

Partly Cloudy
Low: 65 °F
Friday

Mostly Sunny
High: 82 °F
Friday
Night

Mostly Clear
Low: 58 °F

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms. Mostly cloudy, with a steady temperature around 89. Heat index values as high as 100. Southwest wind around 8 mph. Chance of precipitation is 50%.

Tonight

Scattered showers and thunderstorms before midnight. Mostly cloudy, with a low around 68. West wind around 6 mph becoming north after midnight. Chance of precipitation is 50%.

Wednesday

Partly sunny, with a high near 84. Northeast wind around 6 mph becoming light and variable.

Wednesday Night

A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 67. East wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers likely and possibly a thunderstorm before 8am, then a chance of showers. Partly sunny, with a high near 81. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Partly cloudy, with a low around 65.

Friday

Mostly sunny, with a high near 82.

Friday Night

Mostly clear, with a low around 58.

Saturday

Sunny, with a high near 81.

Saturday Night

Mostly clear, with a low around 60.

Sunday

Sunny, with a high near 82.