The summer sun is returning to Phoenix in full force, and with it comes an invisible hazard that can be just as potent as the heat: ultraviolet radiation. As triple-digit temperatures dominate the ...

The sunshine may look inviting, especially with warm and dry conditions, but there is an invisible threat that could harm your health. Ultraviolet Radiation, or UV, is a type of electromagnetic ...

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 ...

Checking the daily UV Index forecast can do more than help you plan outdoor activities - it can help protect your skin from harmful ultraviolet radiation and lower your risk of skin cancer.

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 ...

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 ...

How sunny is too sunny? Sometimes it's tough to know, but as temperatures reach new highs in Michigan, understanding the UV index can help you avoid sunburns and heat-related illnesses. The sun's ...

SIOUX FALLS, S.D. (KELO) — With summer right around the corner, we’ll be keeping an eye on the skies for more reasons than one. Meteorologist Adam Rutt explains. The last couple of days in KELOLAND ...