September 6, 2026

No National Weather Service watches, warnings, or advisories are active on land in Alaska, Idaho, Oregon, or Washington this morning. Alaska carries a large number of marine alerts across its coastal waters, which matter to anyone on the water and not to households ashore.

A quiet weather morning in this region during September is not the same thing as a quiet morning. The hazard here right now is fire, and fire does not appear in a weather alert until it produces smoke or a red flag day.

The Storm Prediction Center's Sunday outlook places the day's severe weather risk in the Southeast and, more uncertainly, over Montana into the northern Plains. Neither reaches this region.

The Northwest geographic area carries 23 uncontained large fires, the second largest concentration in the country after the Northern Rockies, in the National Interagency Fire Center report dated September 5 at 7:30 AM Mountain time.

The fires with evacuations in effect are the ones to know by name. In Oregon, the McCully fire at 13,501 acres and 25 percent contained with one structure threatened. In Washington, the Three Queens fire at 9,364 acres and 8 percent contained, and the Goat fire at 794 acres with no containment reported. The Little Giant fire in Washington, at 170,784 acres and 81 percent contained with 40 structures threatened, also has evacuations in effect.

The largest incidents by area are mostly well along. In Oregon, the Big Grass fire stands at 578,637 acres and 94 percent contained with numerous structures threatened, the Rowe Creek Complex at 373,927 acres and 99 percent contained with 33 structures threatened, the Grasshopper fire at 93,993 acres and 84 percent contained with 33 structures threatened, the Hagen fire at 61,408 acres and 55 percent contained, and the Wrights Spring fire at 55,134 acres and 95 percent contained with seven structures threatened.

In Washington, the Sinlahekin fire is at 166,106 acres and 44 percent contained with 30 structures threatened, the Ptarmigan fire at 25,166 acres and 73 percent contained, the Luna fire at 7,722 acres and 34 percent contained with structures and infrastructure threatened, the Border 2 fire at 8,043 acres and 72 percent contained, and the Sisi fire at 2,244 acres and 11 percent contained. The Wonderland Complex and the Thunder Creek fire are both newly reported with no containment.

In Idaho, the Moose Mountain fire is at 5,832 acres and 8 percent contained with structures threatened, the Silver fire at 2,545 acres with no containment, the Grotto fire at 3,849 acres with no containment, the Cascade fire at 7,475 acres and 50 percent contained, and the Crooked fire at 10,006 acres and 30 percent contained with structures threatened.

The national preparedness level is 4 of 5, with year to date totals of 53,030 fires and 8,307,707 acres.

In Alaska, the earthquake sequence in the Aleutians continues. The United States Geological Survey event catalog for the past week lists a cluster near Nikolski, on Umnak Island, including a magnitude 6.3 on September 1 and a series of events between magnitude 4.9 and 5.5 through September 3. The National Tsunami Warning Center's current status is that there is no tsunami warning, advisory, watch, or threat in effect. Its most recent message for the area was an information statement, which is the category used to say that an earthquake occurred and that no tsunami is expected.

No grid emergencies or water system disruptions are reported for the four states this morning.

No heat alerts or boil-water advisories are active in the region this morning.

Air quality is the health question that matters here, and it is genuinely local. Smoke concentration depends on wind direction and on terrain, and in this region a valley can hold smoke that a ridge a few miles away does not. The Environmental Protection Agency's Fire and Smoke Map at fire.airnow.gov gives a reading for a specific address.

One data point worth naming rather than generalizing from: the Washington Department of Ecology's forecast for the Leavenworth reporting area in central Washington, issued September 5, gives a fine particle air quality category of Good for Sunday through Wednesday. That is one reporting area in a large region, and it says nothing about conditions near the fires in Okanogan County or the Cascades. Check your own location rather than reading that number as a regional statement.

If smoke does reach you, the indoor response is to close windows and doors, run air conditioning on recirculate rather than fresh air intake, run a portable air cleaner in the room where people sleep if you have one, and avoid adding indoor particles while smoke is heavy, which means no candles, no frying, and no vacuuming without a sealed filter.

The Centers for Disease Control and Prevention's Health Alert Network archive could not be read this run, so this brief makes no claim about national health advisories in either direction.

The week ahead is a fire week in this region, and the number that frames it is the one with evacuations attached: four separate incidents in Oregon and Washington currently have evacuations in effect.

For households in Okanogan, Chelan, and Kittitas counties in Washington, in Wallowa, Baker, Grant, and Wheeler counties in Oregon, and in the Idaho panhandle, the useful work is the work that happens before an order arrives, because an order does not come with time attached. Know your route out and a second one, because the first may be the road the fire is on. Keep vehicle fuel above half. Put the documents, the prescriptions, the hard drive, and the things that cannot be replaced in one place that loads into a car in a single trip. Sign up for your county's emergency notification system, usually run by the sheriff's office or the office of emergency management, because that is the mechanism that actually reaches you at two in the morning.

Evacuation levels in Oregon and Washington use a three-step scale that is worth learning before you hear it. Level 1 means be ready. Level 2 means be set, which in practice means be prepared to leave at a moment's notice and leave early if you need extra time or have animals to move. Level 3 means go now, without gathering anything. Knowing which one you are hearing is the difference between a calm departure and a rushed one.

For everyone else in the region, September has the best working weather of the year for the outdoor items. Defensible space is the one that pays: clearing dead vegetation and leaf litter within about five feet of the house, moving firewood stacks away from walls, and cleaning gutters. Ember ignition rather than an approaching flame front is how most homes are lost, and gutters full of needles are the most common way that starts.

In Alaska, the Aleutian sequence is the thing to keep an eye on without anxiety attached. Aftershock sequences following a magnitude 6.3 continue for weeks and taper, and the National Tsunami Warning Center issues messages when an event warrants one. For coastal households anywhere in the region, the standing rule is the one that does not depend on any warning system: if you are near the coast and feel an earthquake strong enough that standing is difficult, or one that lasts more than about twenty seconds, move to high ground immediately without waiting for an official message. A locally generated tsunami can arrive faster than any warning can be issued, and the shaking is the warning.