Summary
The U.S. Southwest is experiencing extreme heat warnings with temperatures much higher than usual for March. At the same time, cold river water from melting snow poses a risk of hypothermia. These changing spring weather conditions create combined threats for residents and visitors.
Key Facts
- The National Weather Service (NWS) issued heat warnings in California, Nevada, and Arizona.
- Temperatures could be up to 30 degrees higher than normal for this time of year.
- The heatwave might cause record high temperatures, especially in March.
- Rapid snowmelt from mountains is making rivers dangerously cold.
- People face risks of heat-related illnesses and hypothermia if they enter cold waters.
- Vulnerable groups, like tourists not used to the heat, are at higher risk.
- The NWS warns that the conditions are similar to summer-like heat.
