Weather Alerts For Porthill, ID
Air Stagnation Advisory
-URGENT - WEATHER MESSAGE National Weather Service Spokane WA 550 PM PST Thu Jan 15 2026 Northern Panhandle-Central Panhandle Mountains-Lewis and Southern Nez Perce Counties- Including the cities of Craigmont, Eastport, Winchester, Osburn, Wallace, Nezperce, St. Maries, Bonners Ferry, Schweitzer Mountain Road, Priest River, Kellogg, Dobson Pass, Clark Fork, Fourth Of July Pass, Lookout Pass, Pinehurst, Mullan, Athol, Sandpoint, Kamiah, Soldiers Meadow Road, and Fernwood 550 PM PST Thu Jan 15 2026 ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST TUESDAY... * WHAT...Stagnant conditions will have potential to trap pollutants near the ground with deteriorated air quality. * WHERE...Craigmont, Eastport, Winchester, Osburn, Wallace, Nezperce, St. Maries, Bonners Ferry, Schweitzer Mountain Road, Priest River, Kellogg, Dobson Pass, Clark Fork, Fourth Of July Pass, Lookout Pass, Pinehurst, Mullan, Athol, Sandpoint, Kamiah, Soldiers Meadow Road, and Fernwood. * WHEN...Until 4 PM PST Tuesday. * IMPACTS...Periods of air stagnation can lead to the buildup of pollutants near the surface. PRECAUTIONARY/PREPAREDNESS ACTIONS... Buildup of fine pollution particles can be harmful to those sensitive to air pollution including people with lung and heart problems, people with diabetes, children and the elderly. &&