 to expand into the western plains before starting to shift eastward along the southern tier of the nation. This will mean that not only can we expect another day of blistering heat from interior sections of California and Arizona into southern Nevada and Idaho today, but triple-digit heat can reach more places in the Dakotas, Nebraska, Kansas, and the southern plains as well before getting into the southeast by Saturday when some parts of California may finally get a break from the worst of it.