During the hot, humid summer months, meteorologists often discuss the heat index instead of the actual air temperature. But how is the heat index calculated, and why is it more important than the air ...

Temperatures this week are some of the hottest we have seen the entire year now as we get to the end of July. This is a perfect opportunity to explain what the Heat Index is and how it is all ...

Conditions are hot and humid in Michigan and getting hotter as the week goes on. Forecasters often refer to the heat index as a way to measure the "feels like" temperature. Here's a look at what that ...

Headline: Freeze Warning from SAT 10:00 PM CDT until SUN 11:00 AM CDT Bulletin: ...FREEZE WARNING REMAINS IN EFFECT FROM 9 PM MDT /10 PM CDT/ THIS EVENING TO 10 AM ...

Summer evenings in Tennessee are usually a welcome reprieve from the heat, but even that won't be the case this week. Communities across Tennessee have been dealing with heat indices reaching into the ...