16th - 19th
Showery for CA; continued heat in AZ.
20th - 23rd
Any residual showers are followed by clearing.
24th - 27th
Thunderstorms, heavy-to-severe activity for NV, parts of the Colorado Plateau.
28th - 31st
Fair and tranquil.
1st - 3rd
Showery, followed by improving weather.
4th - 7th
Fair weather deteriorates into unsettled conditions.
8th - 11th
12th - 15th
Mostly fair initially, then unsettled weather spreads east from the CA coast to the South Plateau by the 15th.