Heavy Rainfall for Portions of the West and Central U.S.; Monitoring Fire Weather Conditions for New England

Tropical moisture continues to flow across portions of the Great Basin, desert Southwest and California. Isolated instances of flash flooding remains possible. Meanwhile, a storm and associated frontal boundary will focus showers and thunderstorms for the center of the nation. For New England, dry and breezy conditions could enhance favorable fire weather conditions. Read More >

Southern Oregon and Northern California Smoke Forecast from the HRRR model

There is an outage for this data as of Fri Sep 5, 2pm PDT. Images may not load until fixed. We apologize for any inconvenience.

These forecasts are directly from the model, not always accurate, and are best utilized as an indicator for trends vs. absolute air quality. Please ensure you check actual smoke conditions/air quality before making decisions about air quality.
All model forecasts are updated hourly and are forecasts for the next 18 hours, except for the "Surface Smoke Extended" which is updated every 6 hours, and that forecast goes out 48 hours in time.

HRRR Smoke Model Link with tutorial and access to full, 48 hour runs

Airnow.gov Current Air Quality Index Map for Southern Oregon and Northern California
Oregon Department of Environmental Quality Current Air Quality Index Map