Here's an ANIMATED WEEKEND WILDFIRE SMOKE FORECAST generated by the National Weather Service's high resolution HRRR4 computer forecast model. Smoke forecasts like this aren't perfect---but they offer us insight into the general situation we face when winds send the smoke our way. It shows we can expect smoke to continue feeding into much of the Midwest through the weekend. The air mass will remain quite dry which should reduce moisture-driven "haze" which might otherwise join the smoke, as happe

2025-10-08 (Wed) Wildfire Smoke Forecast Model depicts concentration of PM2.5 8am Wednesday, Oct 8th to 1am Thursday, Oct 9th Source: Firesmoke.ca Wildfire Smoke and Your Health As wildfires burn through forests and grasslands, they produce smoke. Smoke can be a major source of air pollution for people in Canada. Wildfire smoke may be carried thousands of kilometres from the fire zone. This means smoke can 'impact air quality in areas close to and far away from the wildfire. Fine particles (PM2.

Map shows spread of wildfire smoke

You can use this map to track wildfire smoke in St. Louis, across the country