Avalanche Warning issued December 26 at 11:02AM MST by NWS Boise ID
The following message is transmitted at the request of the Wallowa Avalanche Center. ...The Wallowa Avalanche Center in La Grande OR has issued a BACKCOUNTRY AVALANCHE WARNING... * WHAT...Dangerous avalanche conditions exist today in the winter recreation areas out of Halfway, Oregon. Rapid snow loading combined with strong wind will create conditions likely to produce natural and human avalanches. * WHERE...The Southern Wallowas, primarily riding areas near and around Cornucopia, Norway Basin, Fish Lake, and Clear Creek . * WHEN...in effect from Thu 07:00AM PST until Fri 07:00AM PST. * IMPACTS...Recent heavy snow combined wtih wind will likely create widespread
Winter Weather Advisory issued December 26 at 9:52AM MST until December 27 at 5:00PM MST by NWS Boise ID
* WHAT...Snow. Total snow accumulations of 6 to 12 inches except between 12 and 18 inches inches over the mountains. * WHERE...Camas Prairie, Boise Mountains, and West Central Mountains. * WHEN...Until 5 PM MST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible.
Winter Storm Watch issued December 25 at 2:38AM MST until December 27 at 8:00AM MST by NWS Boise ID
* WHAT...Heavy snow possible. Total snow accumulations 6 to 12 inches except between 12 and 18 inches over the mountains possible. * WHERE...Camas Prairie, Boise Mountains, and West Central Mountains. * WHEN...From this evening through Friday morning. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible.
Winter Weather Advisory issued December 16 at 2:42AM MST until December 17 at 5:00AM MST by NWS Boise ID
* WHAT...Snow. Total snow accumulations between 2 and 5 inches except between 5 and 9 inches over the mountains. * WHERE...In Idaho, Upper Weiser River and West Central Mountains. In Oregon, Baker County. * WHEN...Until 5 AM MST /4 AM PST/ Tuesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes.
Avalanche Warning issued December 14 at 6:42AM MST by NWS Boise ID
The following message is transmitted at the request of the Forest Service Sawtooth Avalanche Center. ...The Forest Service Sawtooth Avalanche Center in Ketchum Idaho has issued a BACKCOUNTRY AVALANCHE WARNING... * WHAT...The avalanche danger is HIGH. The combination of heavy snowfall and strong winds are overloading a weak snowpack. * WHERE...The southern Salmon River Mountains, Sawtooths, White Clouds, Smokys, Western Smokys, Boulders, Pioneers, and Soldiers including the mountains above the Wood River Valley and near Banner Summit, Atlanta, Stanley, Smiley Creek, Ketchum, Hailey, Bellevue, Carey, Fairfield, Galena Summit, and Trail Creek Summit. * WHEN...In effect from Sat 06:00 MST to
Winter Weather Advisory issued December 14 at 2:42AM MST until December 15 at 5:00AM MST by NWS Boise ID
* WHAT...Snow expected. Total snow accumulations 4 to 6 inches in mountain valleys above 4,500 feet. Mountains above 6,000 feet will see 1 to 2 feet of snow through Sunday morning. * WHERE...Camas Prairie, Boise Mountains, and West Central Mountains. * WHEN...Until 5 AM MST Sunday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible.
Air Stagnation Advisory issued December 13 at 2:47AM MST until December 13 at 2:00PM MST by NWS Boise ID
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of southwest and west central Idaho and southeast Oregon. * WHEN...Until 2 PM MST this afternoon. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
Winter Storm Watch issued December 13 at 2:43AM MST until December 15 at 5:00AM MST by NWS Boise ID
* WHAT...Heavy snow possible. Heavy snow possible. Total snow accumulations 4 to 6 inches, with 10 to 18 inches possible above 6000 feet. * WHERE...Camas Prairie, Boise Mountains, and West Central Mountains. * WHEN...From this evening through late Saturday night. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible.
Air Stagnation Advisory issued December 12 at 2:50AM MST until December 13 at 2:00PM MST by NWS Boise ID
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of southwest and west central Idaho and southeast Oregon. * WHEN...Until 2 PM MST Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.
Air Stagnation Advisory issued December 12 at 2:50AM MST until December 12 at 2:00PM MST by NWS Boise ID
* WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of southwest Idaho and northeast and southeast Oregon. * WHEN...Until 2 PM MST /1 PM PST/ this afternoon. * IMPACTS...Poor air quality may cause issues for people with respiratory problems.