Wednesday will bring the big warmup we have been talking about as daytime highs inland will rush upwards towards 100 degrees. Along the bayshore, 70s and 80s remain steady. Thursday will be the very hottest day of the forecast with temperatures well into the triple digits.

In Vacaville temperatures will continue to soar the rest of the week and through the weekend. The high in the city was 103 and is expected to hit a high of 101 on Friday, according to weather.com. Temperatures are expected to be over 90 degrees in Vacaville for the rest of the month.

Large portions of the Bay Area and the Central Coast were under a heat advisory Thursday morning, which has been extended for what could be the hottest days of the year.