 But a large part of the day will be dry with sunshine and highs in the 70s. It is going to be hot in portions of the west today. It will only be increasing as high pressure builds throughout the week. Highs this afternoon will soar well into the hundreds in the California valleys. That's the weather across America. It's going to be a hot day in Dallas, Texas with plenty of sunshine and a high of 101. More comfortable weather has shifted into Hartford, Connecticut with variable clouds and a shower in spots and a high of 79.