US enters first major heat wave of 2025

The extreme heat is expected to intensify as it shifts to the East Coast early next week, with temperatures reaching the highest level on the NWS's HeatRisk tool: Level 4, or "Extreme." "Numerous daily record highs and warm lows are likely," the NWS said. "Light winds, sunny days, and a lack of overnight cooling will significantly increase the danger." The capital city Washington could see highs of 99 degrees Fahrenheit (37 degrees Celsius) on Monday and 101F on Tuesday. This level of heat can...