How to find forecasts of Heat Index
For this example, National Weather Service at Binghamton, NY will be used.
The sample image above shows that to get a forecast, you can either click on the map nearest your location, or enter you City, State or Zipcode into the box on the left under "Customize Your Weather.gov".
Once either of these steps are complete, a new page will appear with the forecast, this is also called the "point and click" forecast.
The image above is the forecast for Liverpool, NY on July 1, 2014. Please note the boxed area and the green arrows. These are areas where Heat Index forecasts can be found. One is in the text of the forecast and the others in the Hourly Weather Graph and National Digital Forecast Database.
Click on the Hourly Weather Graph image will produce a graph base forecast, or meteogram for the forecast Liverpool, NY.
In the above image the arrows show settings and where to look for the Heat Index forecasts on this type of web page. In this example, the light brown line shows the Heat Index forecast from July 1 to 3, 2014.
Lastly, back on the "point and click" forecast page there was a link to the National Digital Forecast Database. This is where graphical forecasts can be found. These forecasts are displayed on a map for the entire country, parts of the country, or for local National Weather Service forecast areas.
The image above shows the graphical forecast for the National Weather Service in Binghamton, NY forecast area. On this type of page you can use your mouse to move over the forecast element times to change the image displayed. Note the green highlight area. It is a forecast for Apparent Temperature. Apparent Temperture during the summer time is the same as Heat Index. During the winter it would be the same as Wind Chill.