Oregon Smoke Forecast for the Saturday-Sunday, September 16-17, 2017 Forecast Issued: Friday September 15, 2017 Forecaster: R. Graw, USDA Forest Service A low pressure system approaching the state will bring east winds on Saturday and southwesterly winds and rain on Sunday. This will be followed by a series of bands that will continue to bring precipitation throughout next week. These events will be a significant slowing event for the fires. In fact, we may even see snow above 5000 feet in elevation next week. While this is good news, we have one more day of a smoke for the west side of the state. Saturday: September 16, 2017 The approaching low pressure system will bring the return of east winds over the fires, bringing smoke into areas east of the fires across the state. Figure 1 illustrates the spatial pattern and relative concentrations of smoke for Saturday. On the west side of the state, the Willamette Valley, Rosebur...