Oregon – A significant shift in weather is expected starting Tuesday night as rain and cooler temperatures move into the region. The National Weather Service has issued a forecast predicting heavy rain across the mountains, with rainfall accumulation reaching up to a quarter inch or more by Wednesday afternoon.
According to the National Weather Service in Pendleton, OR, there is a 70-90% chance that the mountains will see the heaviest rainfall, while the foothills have a 50-70% chance of receiving up to a quarter inch or more. The valleys and basins could see 10-30% of that amount, leaving local roads slick and potentially hazardous. Drivers, especially on U.S. Route 395, are advised to plan for slower travel and prepare for changing conditions.
Midweek, temperatures are expected to drop further, and the cooling trend may lead to mountain snow above pass levels after Wednesday afternoon. With this weather system, travelers heading through Oregon’s mountain passes should remain cautious, as the first snow of the season could lead to hazardous driving conditions.
By Thursday, the rain should begin to taper off, but lingering precipitation and cooler temperatures will persist into the weekend. Residents in valleys and lower elevations can expect cooler temperatures in the 50s and 60s through Friday.
