The forecasting company notes that the average date for the first 100-degree day in Arizona’s capital city is May 2. The ...

As summer gets closer, continued dry conditions could affect the arrival of growing season and could drive increasing demand for water, as well as higher wildfire risk.

Even in a region known for heat, this week’s highs, this early in the year, are an “anomaly,” the National Weather Service ...

Climate change and global trade help pests move into cooler zones. These insects damage crops, risking food supplies.