Excessive heat and humidity boost rain chances

An Excessive Heat Warning will remain in effect until 9PM Sunday as highs could reach a few degrees above the seasonal average (109°).

A boost of moisture will keep daytime highs from skyrocketing while increasing rain chances.

Today's warm temperatures and elevated dewpoints led to isolated storm activity across the desert this morning! Stay with News Channel 3 as we continue to track monsoonal storm activity throughout this weekend.

The chance for isolated showers will remain through Sunday evening as moisture lingers. A drying and warming trend is expected by Monday which will slowly lead us back into the one-teens.