National Weather Service United States Department of Commerce

Stormy and Rainy in the East; Hot in the West

A cold front will combine with Bertha remnants to produce strong to severe storms with damaging winds, large hail, potential for a tornado, and locally heavy rain. Excessive heat continues in the Desert Southwest and spreads into the Great Basin. Critical fire weather threats also continue in the Great Basin with dry thunderstorms in the Four Corners region. Read More >

Heat Index

by Tim Brice and Todd Hall
Enter a temperature that you would like and choose your units: What the temperature feels like to your body:
Fahrenheit Celsius ° F
Enter your relative humidity:  
% ° C


What are the formulas for the heat index script?