Air Stagnation Advisory issued January 25 at 1:29AM PST until January 27 at 4:00PM PST by NWS Pendleton OR
* WHAT...Poor air quality will continue. This is due to an inversion and stagnant air conditions near the surface that will continue to trap pollutants. * WHERE...Portions of central, north central, and northeast Oregon and central, south central, and southeast Washington. * WHEN...Until 4 PM PST Monday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
Special Weather Statement issued January 15 at 7:55PM PST by NWS Pendleton OR
Patchy dense freezing fog will continue into late evening hours across the Blue Mountain Foothills of WA and OR. Visibilities of less than 1/2 mile are possible in spots, especially along Highway 11 near Athena, Interstate 84 near Pendleton and in portions of Walla Walla. Drivers should expect sudden reductions in visibility. Slow down and allow for extra space between yourself and other vehicles if you encounter dense fog.
Freezing Fog Advisory issued January 14 at 10:28AM PST until January 15 at 12:00PM PST by NWS Pendleton OR
* WHAT...Visibility one quarter mile or less in freezing fog. * WHERE...Foothills of the Blue Mountains of Washington. * WHEN...Until noon PST Wednesday. * IMPACTS...Low visibility could make driving conditions hazardous. Slick spots on roadways possible under freezing fog.
Special Weather Statement issued January 14 at 7:19PM PST by NWS Pendleton OR
Dense freezing fog with visibilities at a half mile or less is beginning to extend along Oregon Highway 11. Observations show the fog has extended at least as far south as Athena. The fog bank is expected to continue expanding south along the northern Blue Mountain foothills, impacting the Pendleton area and portions of Interstate-84 later tonight.
Winter Weather Advisory issued January 10 at 2:14PM PST until January 11 at 10:00AM PST by NWS Pendleton OR
* WHAT...Snow. Additional snow accumulations of 2 to 5 inches between 4000 and 5000 feet, and 5 to 10 inches above 5000 feet. Winds gusting as high as 45 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 10 AM PST Saturday. * IMPACTS...Roads will likely become slick and hazardous. Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions. Gusty winds could cause blowing snow.
Wind Advisory issued January 10 at 12:50PM PST until January 11 at 1:00AM PST by NWS Pendleton OR
* WHAT...West winds 20 to 30 mph with gusts of 35 to 45 mph expected. * WHERE...Foothills of the Blue Mountains of Oregon. * WHEN...From 4 PM this afternoon to 1 AM PST Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Wind Advisory issued January 9 at 5:43PM PST until January 11 at 1:00AM PST by NWS Pendleton OR
* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Foothills of the Blue Mountains of Oregon. * WHEN...From 4 PM Friday to 1 AM PST Saturday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Wind Advisory issued January 9 at 5:43PM PST until January 10 at 1:00PM PST by NWS Pendleton OR
* WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Grande Ronde Valley. * WHEN...From 1 AM to 1 PM PST Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Freezing Fog Advisory issued January 9 at 5:43PM PST until January 10 at 10:00AM PST by NWS Pendleton OR
* WHAT...Visibility as low as one quarter mile in freezing fog. * WHERE...Central Oregon and North Central Oregon. * WHEN...Until 10 AM PST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. Some roads may be slick under freezing fog as well.
Freezing Fog Advisory issued January 4 at 3:39PM PST until January 4 at 7:00PM PST by NWS Pendleton OR
* WHAT...Visibility one to two miles with areas below one mile in freezing fog. * WHERE...Kittitas Valley. * WHEN...Until 7 PM PST this evening. * IMPACTS...Low visibility could make driving conditions hazardous. Freezing fog can create areas of ice.