Severe Thunderstorms Possible From The Plains To The Great Lakes, Heat Wave To Continue Over The Southern U.S.

Scattered strong to severe thunderstorms capable of damaging winds, large hail, isolated tornadoes, and heavy rainfall will be possible through tonight from the central Plains to the Great Lakes and Northeast U.S. The heavy rainfall could lead to localized flash flooding. Excessive heat will persist across the southern Plains and Desert Southwest early this week. Read More >

Hazardous Weather Conditions

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Current conditions at

New Haven, Tweed-New Haven Airport (KHVN)

Lat: 41.26°NLon: 72.89°WElev: 13ft.

Mostly Cloudy

83°F

28°C

Humidity	77%
Wind Speed	S 9 mph
Barometer	29.98 in (1015.0 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	18 Aug 6:53 pm EDT

More Information:

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

Extended Forecast for

New Haven CT

Heat Advisory until August 19, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until August 19, 08:00pm

NOW until
8:00pm Mon

Heat Advisory
Tonight

Partly Cloudy
Low: 73 °F
Monday

Mostly Sunny
then Slight
Chance
T-storms
High: 90 °F
Monday
Night

Chance
T-storms
Low: 70 °F
Tuesday

Slight Chance
T-storms
High: 88 °F
Tuesday
Night

Chance
T-storms
Low: 71 °F
Wednesday

Chance
T-storms
High: 86 °F
Wednesday
Night

Chance
T-storms
Low: 72 °F
Thursday

Chance
Showers then
Chance
T-storms
High: 86 °F

Detailed Forecast

Tonight

Partly cloudy, with a low around 73. South wind around 6 mph becoming calm in the evening.

Monday

A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 96. Calm wind becoming south 5 to 8 mph in the morning.

Monday Night

A 40 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening.

Tuesday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Calm wind becoming southeast 5 to 7 mph in the morning.

Tuesday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Light south wind.

Wednesday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86.

Wednesday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.

Thursday

A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 86. Chance of precipitation is 40%.

Thursday Night

Partly cloudy, with a low around 64.