Heat index chart - temperature and relative humidity (WOWT). As you can see from the chart above, with a steady temperature of 90°, the heat index rises to 95° at a relative humidity of 50%.

You've probably heard the meteorologist tell you the "heat index" or the "feels like" temperature, but what does that mean?

Sometimes the temperature outside feels warmer than it is, and there's a reason. Here's a breakdown of the heat index.

The heat index factors in the actual air temperature with either the dew point or relative humidity. This will give you a sense of what it actually feels like outside. NWS's heat index chart uses ...

Proactive management of livestock prior to and during heat events is critical in protecting livestock from heat stress.

National Weather Service warns of dangerous conditions from 10 a.m. to 8 p.m. Thursday with oppressive humidity and potential ...

For example, an air temperature at 85°F with a dew point of 70°F, or 63% relative humidity will actually feel like 90°F. This new value is considered to be the heat index.

The chart is a grid where you can find the heat index temperature by looking at the air temperature and relative humidity. For example, the NWS says if it's 96 outside and the humidity is 65%, the ...

While it’s the temperature that ends up on 10-day forecasts and electronic signs outside banks, the heat index is often a better indicator of the intensity of the heat, and the dangers it can ...