Dangerous Heat to Continue through the Holiday Weekend; Severe Storms on Friday from the Plains to the Mid-Atlantic

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

78°F

26°C

Humidity	79%
Wind Speed	W 5 mph
Barometer	29.90 in (1012.6 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	2 Jul 11:56 pm EDT

More Information:

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

Extended Forecast for

Mystic CT

Extreme Heat Warning July 3, 12:49am until July 4, 09:00pm

Click here for hazard details and duration

Extreme Heat Warning

Extreme Heat Warning July 3, 12:49am until July 4, 09:00pm
NOW until 9:00pm Sat
Extreme Heat Warning
Overnight
Low: 72 °F
Mostly Clear
Friday
High: 95 °F
Sunny
Friday Night
Low: 72 °F
Mostly Clear
Independence Day
High: 91 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 68 °F
Chance
Showers
Sunday
High: 83 °F
Mostly Sunny
Sunday Night
Low: 64 °F
Partly Cloudy
then Chance
Showers
Monday
High: 76 °F
Chance
Showers

Detailed Forecast

Overnight

Mostly clear, with a low around 72. Light west wind.

Friday

Sunny, with a high near 95. Heat index values as high as 102. Light west wind becoming southwest 5 to 9 mph in the morning.

Friday Night

Mostly clear, with a low around 72. West wind around 5 mph becoming calm in the evening.

Independence Day

A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 97. Light west wind increasing to 5 to 10 mph in the morning.

Saturday Night

A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 68. Light north wind. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 83.

Sunday Night

A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 64.

Monday

A 50 percent chance of showers. Partly sunny, with a high near 76.

Monday Night

A 50 percent chance of showers. Mostly cloudy, with a low around 63.

Tuesday

A 30 percent chance of showers before 2pm. Partly sunny, with a high near 78.

Tuesday Night

Partly cloudy, with a low around 63.