Heat Index Calculator

Air Quality Concerns; Fire Weather in the West; Flash Flooding in the Southeast

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Multiple days of hot, dry and windy conditions are expected to bring fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and a flash flooding threat continues in the Southeast. Severe thunderstorms continue across the Northern Plains Read More >

Heat Index

Air Quality Concerns; Fire Weather in the West; Flash Flooding in the Southeast

Heat Index

by Tim Brice and Todd Hall

What are the formulas for the heat index script?