On Saturday, Boise hit 100 degrees for the second time this year. Temperatures continue to climb on Sunday as a strong ridge of high pressure builds over the Pacific Northwest. High temperatures will range from 103-108 degrees in the Treasure Valley on Sunday.
Heat is the number one weather-related killer. If possible, limit time spent outdoors during the afternoon and evening. Stay hydrated. Check on kids and the elderly as they are the age groups most susceptible to heat. Also, limit outdoor time for pets.
A cold front moves across the region on Monday, ushering in a cooler airmass on Tuesday. The frontal passage will be accompanied by increased cloud cover along with isolated showers and thunderstorms in the mountains on Monday afternoon and evening. It will also cause the wind to pick up leading to an enhanced wildfire risk.
After a relatively cooler Tuesday, temperatures begin to climb into the triple digits again in the Treasure Valley as the high pressure ridge begins to build further west. Higher elevations will be a bit cooler but still close to 90 degrees for many spots.
