In most of the Indiana cities it studied, the average summer low temperatures have warmed by at least 1 degree since 1970. Indianapolis had the biggest increase where average summer low temps have gone up by more than 3 degrees.

A report by the North American Electric Reliability Corporation said theres not enough energy on the regional grid to meet peak demand.

Snow on one day followed by summer-type temperatures the next may be seen as typical Indiana weather. But one organization studies how climate and other seasonal changes affect the state.

College campuses and schools in northwestern Indiana closed Thursday after a winter storm dumped several inches of lake-effect snow on parts of the region.

Heat waves across the world and potentially record-breaking high temperatures in the western United States are bringing renewed attention to the dangers of heat stress.

Snow, high winds and freezing temperatures will make for hazardous weather conditions for Monday and Tuesday morning.

The National Weather Service said Tuesday's record is the coldest temperature recorded in Indianapolis so early in the fall.

Snowfall in the Midwest is taking its toll on air travel in Chicago as one plane trying to land at O'Hare International Airport slid off the runway.

Many got crops in the ground late, and much of what farmers did plant got drowned by rain over the past week.