Boise, ID – Mild and breezy conditions are expected across southwest Idaho and southeast Oregon on Sunday, with temperatures running 5 to 15 degrees above normal for late February. That warmer trend is expected to continue into Monday before a shift toward wetter weather begins early this week.
According to the National Weather Service in Boise, a warm moisture plume will spread precipitation across the region starting Tuesday and continuing into Wednesday. Rain is expected in lower elevations, including the Treasure Valley, while mountain communities could see accumulating snow.
Forecasters say snow levels will begin relatively high Tuesday but will drop Wednesday as a cold front moves through. As the front pushes from northwest to southeast, precipitation is expected to taper off later Wednesday.
High temperatures Sunday are forecast in the upper 50s for Boise and Meridian, low 50s in Caldwell and Nampa, and 40s in higher-elevation communities such as McCall and Idaho City. By midweek, cooler air will settle in, especially in mountain areas where snow levels lower behind the front.
Drivers traveling through higher elevations Tuesday night into Wednesday should monitor conditions for potential slick roads, especially over mountain passes connecting Idaho and eastern Oregon.
Residents across Ada County, Canyon County, and surrounding areas are encouraged to stay updated as forecast details become clearer.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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