Smoke is again building in the Valley after a disturbance cleared the air Saturday.
Another weak disturbance will help clear our air once again Tuesday and Wednesday. Until then, smoke from nearby wildfires continues to build.
Fresno reached a high of 90 degrees Sunday afternoon, which is the average high for this time of year.
Monday will be the warmest day this week with a forecast high of 94 degrees.
Temperatures will stay a degree or so below average through the rest of the week. Warming returns next Sunday.
Fall begins Tuesday!