Hour-By-Hour Climb To 95-Degree Heat Index Monday

Heat advisories were issued for the Hudson Valley for Monday. Additionally, there is an air quality alert for the region.

The National Weather Service said the heat advisories are in effect from 11 a.m. Monday to 8 p.m. Monday for Columbia, Dutchess, Orange, Putnam, Rockland, Ulster and Westchester counties.

Highest heat indices will occur during the mid- to late afternoon.

For the mid-Hudson Valley, the NWS said heat index values of 95 to 100 degrees will likely happen for at least two consecutive hours, most likely reaching the peak around 3 p.m.

A heat advisory means that a period of hot temperatures is expected. The combination of hot temperatures and high humidity will combine to create a situation in which heat illnesses are possible. Officials recommend drinking plenty of fluids, staying in an air-conditioned room and out of the sun and checking up on relatives and neighbors.

As if the heat and humidity aren’t bad enough, there is also an ozone alert, Officials said outdoor air is predicted to be greater than an air quality index value of 100 for ozone.

The New York State Department of Health recommends that individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects.

Here is the timeline for how southern Westchester gets to a 95-degree-plus heat index:

• 11 a.m. - noon: Partly cloudy, 89 degrees, feels like 94
• 1 p.m. - 2 p.m.: Mostly cloudy, 90 degrees, feels like 96
• 3 p.m. - 4 p.m.: Mostly cloudy, 90 degrees, feels like 95
• 5 p.m. - 6 p.m.: Mostly sunny, 87 degrees, feels like 93
• 7 p.m. - 8 p.m.: Mostly sunny, 84 degrees, feels like 88
• 9 p.m. - 10 p.m.: Isolated thunderstorms, 80 degrees, feels like 85
• 11 p.m. - midnight: Mostly cloudy, 80 degrees, feels like 85

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