Vegas National Weather Service Press Release:

After a break in showers and thunderstorms, moisture is set to return to the region late this week and through the weekend. Tropical Storm Dolores has developed in the eastern Pacific off the southwestern coast of Mexico. Dolores is forecast to become a Hurricane and move
northwest away from mainland Mexico through the week. It now appears some tropical moisture will be drawn northward into the Mojave Desert Friday then continue to spread northward into the Great Basin over the weekend.

There remains some uncertainty just how far northwest the moisture will spread into northern Inyo County and Esmeralda County. Slightly higher confidence exists that deeper moisture will encompass most of Clark, Lincoln, southern Nye Counties in southern Nevada, Mohave County in northwest Arizona and eastern San Bernardino and southeastern Inyo Counties in California. Primary concern with thunderstorms will be heavy rainfall leading to increased flash flood
potential.

Stay tuned for additional updates throughout the week.
TIMING and PRIMARY AREAS IMPACTED
 Friday afternoon through the weekend: Isolated thunderstorms Friday becoming scattered over the weekend with heavy rainfall primary concern.