Ramping up the heat, but it won't last for too long.

Ramping up the heat, but it won't last for too long.

After a very pleasant Sunday, Mother Nature turns up the heat for a few days. Daytime highs Monday - Wednesday will all be above average with highs in the upper 80s for the highlands, and 90s for the lower valleys. Tuesday especially will be hot with 90s widespread and some places in the southern Snake River Plain like Pocatello and American Falls could reach the upper 90s. Stay hydrated. The good news is, we'll start to cool down a bit for Thur…