Summary
A heatwave in Arizona set a new record for the highest temperature ever recorded in March in the United States, reaching 110°F (43°C). This heatwave impacted several states in the US southwest, including California and Nevada, with temperatures significantly higher than usual for this time of year.
Key Facts
- Arizona recorded a March temperature of 110°F (43°C), the highest in US history for that month.
- The previous record for March was 108°F (42°C), set in Rio Grande, Texas, in 1964.
- States like California, Arizona, and Nevada experienced higher-than-normal temperatures during the heatwave.
- The heatwave resulted from a high-pressure system known as a "heat dome."
- Phoenix recorded its hottest March day at 105°F (40°C), breaking the previous record set the day before.
- Las Vegas also set a record with a high of 95°F (35°C).
- The National Weather Service warned the heat could be dangerous due to early-season extremity and high tourism rates.
- Average temperatures for this period are typically lower, with 105°F usually not reached until late May.
