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 ...

The UV index is a measure of how strong the ultraviolet radiation will be from the sun on a given day. The UV scale ranges from a 0 to an 11 or even higher. But what impacts how high or low it will be ...

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 ...

Michiganders enjoying the first sunny days of spring often find themselves sporting a nasty sunburn. But the threat from the sun's UV rays doesn't end when you get a tan, it continues throughout the ...

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 UV index measures the intensity of skin-damaging ultraviolet radiation at the Earth's surface. The UV index ranges from 0 to 11-plus, with higher values indicating greater risk of sunburn and skin ...

July is UV Safety Awareness Month, highlighting the risks of sun exposure during peak summer months. The UV index, a scale from 0-11+, indicates the strength of the sun's ultraviolet radiation and the ...