Very Hot and Humid Days Ahead with Triple Digit Heat Index Levels

Triple digit heat index values expected in Missouri this weekend - Missourinet

(Undated)  —  Very warm temperatures and triple digit heat indices are in the forecast for Missouri this weekend.  The National Weather Service says nearly all of the state is under a Heat Advisory.  The St. Louis area will be under an Extreme Heat Watch.  Heat index readings could approach 105 to 110 degrees in the […]

Very hot and humid days ahead with triple digit heat index levels

The big stoy is the extreme heat building for the weekend. We're expecting a significant heatwave, the first of the summer, with temperatures soaring into the mid-to-upper 90s Saturday through Monday. Combined with humidity, the heat index, or what the…

The "Heat Index" will be above 100 degrees the next couple days! But what does this actually mean? - KFIZ News-Talk 1450 AM

Officially in Fond du Lac Saturday, the heat index hit 102 degrees. This came with an air temperature of 91 degrees and a dewpoint of 75, which made the “relative” humidity about 60%. What does this all mean? The heat index is similar to a wind chill temperature. It is not the actual temperature. It is however what the temperature “FEELS like” on our skin. Its an equation that factors the air temperature and the amount of moisture in the air. So…