The forecast high for Wednesday is 96 degrees, which would break the daily daytime high record of 90, set in 2022. This would be the eighth consecutive day of record-breaking heat for Las Vegas. Despite relief, temperatures are expected to remain in the low 90s for Thursday and Friday. The average high for the valley is in the mid-70s. By the end of the month, the valley may have recorded at least 10 90-degree days, an all-time record.