SIOUX FALLS, S.D. (KELO) — It’s been a far easier summer so far both in terms of heat and humidity compared to last year. That will likely change by the end of the week. As we get into the dog days of ...

On a calm, clear night, the ground cools very efficiently by radiating heat back into the atmosphere. This lowers the ...

There are multiple ways to describe how wet the air is (yes, pretty much all air is wet). What I mean by that is there are water molecules tucked in between the gases like nitrogen and oxygen that ...

NORFOLK, Va. — Most summer days, you hear us talk about “humidity” when describing how the air feels. While many people are familiar with the term relative humidity — the percentage of water vapor in ...

Engineers now have two multifunctional transmitters at their fingertips for measuring relative humidity and temperature. The HT737 is a digital unit that measures ...

Humidity limits your dog's ability to cool down, increasing their risk of overheating. Flat-faced breeds, senior dogs, puppies, and dogs with health issues are especially vulnerable to humid ...

If you get your current weather information in the morning, you should know that the morning relative humidity is not a useful indicator of how humid the weather will be today. In fact, the relative ...

Extreme levels of heat and humidity are forecast to spread across the country over the next two weeks, blanketing the Southwest, Midwest, and East Coast with high temperatures beginning this June 19 ...

COLUMBIA, S.C. — When we talk about hot days here in South Carolina, the temperature only tells part of the story. The real danger often lies in the heat index or the “feels like” temperature. The ...