Southwest at highest heat risk level as heat wave this weekend threatens to break all-time temperature records

Another relentless heat wave is expected to grip the West this weekend. The extreme conditions in the forecast have prompted the National Weather Service (NWS) to categorize much of California and Nevada in the highest heat risk level by Sunday.

Another relentless heat wave is expected to grip the West this weekend. The extreme conditions in the forecast have prompted the National Weather Service (NWS) to categorize much of California and Nevada in the highest heat risk level by Sunday.