LAS VEGAS (KTNV) —Summer-like heat and haze hold for the first week of fall, with highs landing 5º-10º above average through the next several days. The Smoke Advisory was extended once again through Thursday in Clark County with both smoke and ozone contributing to Moderate air quality. Moving into the second half of the week, the dry and hazy conditions will hold with wind speeds generally 10-20 mph and highs in the upper 90s near 100º. Slightly higher gusts, to 25 mph, will pick up Thursday into Friday, but overall the forecast pattern stays quiet and warm into the weekend.