Temperatures will continue to increase through the weekend, resulting in widespread major to locally extreme HeatRisk. Lower desert high temperatures will reach 106-114 degrees, while lows will be in the upper 80s to middle 90s. An Extreme Heat Warning is in effect for all of the Arizona lower deserts through Monday.
High pressure over the region will result in above normal afternoon high temperatures. Widespread Major HeatRisk will continue through the week with localized Extreme HeatRisk again near the end of the week in the lower deserts.
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