Oklahoma City and several other cities last year worked with NOAA to map neighborhoods to find out how heat impacts neighborhoods. The data can help cities prepare and adapt to a warmer world.

Hot summer temperatures can make you anxious and irritable and dull your thinking. Here's what researchers think is going on.

Heavy snow and high winds are causing blizzard conditions in the Upper Midwest. It's the latest stage of a three-day storm that's placed over half the country under winter weather warnings.

Heat waves can take a toll on our health, and some people are especially vulnerable. But you can do a lot to look out for those who are at higher risk of heat-related illness.

Heat wave researcher Gulrez Shah Azhar grew up in Uttar Pradesh, India, without an A/C unit. He shares tips on how to deal with the heat — including wearing a wet scarf around your neck.

Some schools have closed early for summer. More than a billion people are in danger of heat stroke. Summer's early arrival in South Asia also threatens global grain supplies.

Tuesday’s forecast is calling for another hot day after record breaking temperatures swept across Georgia over the holiday weekend. Forecasters say the...