Pendleton, OR – Thunderstorms with scattered rainfall will impact portions of Oregon and Washington Monday and Tuesday, with chances ranging from 15% to 40%. Isolated storms are expected to form between 11 a.m. and 10 p.m. both days, creating potential disruptions to outdoor activities and travel.
According to the National Weather Service, widespread showers will move across the region during this period. The chances of thunderstorms will vary by location, with Southeast Washington facing a 15-30% chance of storms. In contrast, Northeast Oregon and Central Oregon could experience slightly higher chances, ranging from 15-40%.
Cities in Southeast Washington, such as Walla Walla, could experience a few hours of wet and thunderous conditions. Central Oregon towns, including Pendleton, may also see some storm activity, particularly in the late afternoon and early evening. The threat of lightning and heavy rain could impact areas near major highways like I-84 and U.S. Route 12.
The storms are expected to subside by late evening on both Monday and Tuesday, but conditions may change rapidly. Those in affected areas should stay alert and take precautions when thunderstorms are imminent. Further weather advisories may be issued as the storms develop.
Warnings are set to remain in effect throughout the storm period.
