Most of us check the temperature every morning before we head outside, but there’s another number on your weather app that’s just as important: the UV Index. The UV Index tells us how strong the sun’s ...

Weather forecasts usually include a UV index, a measure of the intensity of ultraviolet radiation from the sun. The higher the number, the greater the risk to people. Most of the radiation that ...

The National Weather Service has issued Heat Advisories and Extreme Heat Watches throughout many parts of Illinois this weekend, warning of dangerously hot conditions and heat indexes over 100. Going ...

LANSING, Mich. (WLNS) — As we continue into the dog days of summer we have seen our fair share of sunshine, heat and humidity. You’ve probably heard the weather team here mention the UV Index a few ...

Some people use the UV index to determine the best time to tan, believing that a higher index signals a better chance of tanning. However, this harmful trend misunderstands the UV index. The UV index ...

The UV index measures the strength of the sun's ultraviolet (UV) radiation. The index ranges from 0 to 11, with higher numbers indicating greater risk of sunburn and skin damage. Protective measures, ...

We’re rapidly gaining daylength in Colorado... and we’ll get plenty of it with high pressure in place this week. With that gain, we’re also seeing jumps in our peak UV index, which is now peaking ...