California Heat Wave 2024. Daytime high temperatures on september 6, 2024, across much of southern california, nevada, and arizona, were 100 degrees or more (red). An early summer heat wave brought exceptional warmth to the southwest in june 2024.
After a heat wave struck southern california, fires erupt across the southland, burning hundreds of thousands of acres while threatening homes. Severe heat is expected to bake parts of the united states from texas to california this week, with temperatures soaring to the triple digits, according to the national weather.