A weakening Tropical Storm Mario will usher moisture northward through our forecast area mid-to-late week.
There is low confidence in the details at this time, but we know that temperatures will cool, cloud cover will increase, and chances of precipitation return to the region.
Best chances of heavy rain and thunderstorms exist across San Bernardino County, Inyo County, and the mountains of Clark County on Thursday, though at least slight (5-20%) chances exist areawide.

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