High Heat and Humidity Through the 4th of July

NOAA has issued an Excessive Heat Warning in effect beginning tomorrow, Sunday, July 1 at 6:00 am through Monday, July 2 at 6:00 am. Heat index values are forecast to reach 106 degrees tomorrow. 

The Warning area includes Lower Hudson Valley, northeast New Jersey, NYC, northern Nassau and interior southern Connecticut

Excessive Heat Warning means the heat index will reach 105-110 degrees.  

An Excessive Heat Watch is in effect all day Monday.

Watch area includes the Lower Hudson Valley, northeast New Jersey, NYC, interior southwest Connecticut.

Excessive Heat Watch means the heat index will reach 100-105 degrees. 


Hot and increasingly humid conditions are expected through the end of the weekend as a Bermuda high-pressure type system sits off the East Coast over the western Atlantic. Lows tonight will only fall into the upper 60s to lower 70s in the outlying areas, with lower to middle 70s along much of the coast. Upper 70s to around 80 for lows are possible in the New York City metro area. Combined with humidity, it will feel more like the middle 80s overnight in the metro area.

Sunday will be the warmest day of the year so far, with highs near 100 across New York City, northeast New Jersey, and portions of the Lower Hudson Valley. Factoring in humidity, the heat index will range from the upper 90s to 110, with the higher heat index values for the previously mentioned areas that will see highs near 100. Heat-related illnesses become likely for heat index values greater than 105 if proper precautions are not taken.

Slightly cooler conditions are expected on Monday as a backdoor cold front approaches from the northeast. However, it will still be hot and humid, with highs in the middle to upper 80s along the coast, and lower to middle 90s elsewhere. Conditions will remain dry through Monday.

Extreme heat can cause illness and death among the at-risk population who can’t stay cool.

Warnings:

  • The heat and humidity may cause heat stress during outdoor exertion or extended exposure.

  • Extreme heat can cause illness and death among the at-risk population who can not stay cool.

  • Seniors, infants, and those with chronic health problems or mental health conditions are at an increased risk from the heat.

Visit NOAA online here for additional information.

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Submitted by New Fairfield, CT

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