Northern California's first heat wave of the summer is expected to begin later this week, bringing a stretch of sweltering temperatures above 100 degrees.

KCRA 3 Weather meteorologist Dirk Verdoorn looks at the coming warming trend, how warm it will get, and how long the heat ...

KCRA 3 Weather meteorologist Dirk Verdoorn looks at how warm temperatures are and how much warmer it will get as we head into ...