The National Weather Service has issued an Excessive Heat Watch for the Mother Lode, the western slope of the northern Sierra Nevada below 4,500 feet, and the
The formation of yet another "heat dome" over the southwestern United States is expected to cause temperatures in parts of California and Arizona to rise above 120 degrees Fahrenheit in the coming days.
Meteorologists with the National Weather Service say the region will see its first 100-degree day on Friday. Officials also warn of “major heat risk” this weekend.