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 ...

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 ...

NWS heat index danger levels. There are four levels of heat on the chart: Yellow: CautionGold: Extreme cautionOrange: DangerRed: Extreme danger. Montgomery heats up as week brings rising temps ...