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Dispersion Discussion March 11 2026
Dan Borsum NRCC Predictive Services Meteorologist
Smoke Dispersion Maps and charts on the NRCC Website will be updated MTWTF.
Discussions will be updated Sunday/Tuesday/Thursday and posted to the other days.
Wednesday weak short lived high pressure builds over ID with a fair amount of moisture trapped in it. Northern ID valleys could be cool with low level inversion for POOR dispersion. Otherwise still breezy in the afternoon other areas for GOOD to EXCELLENT dispersion.
Thursday another major wind push across the region with GOOD to EXCELLENT dispersion.
Friday cooler to colder air tries to work into the region and dispersion will experience a decreasing trend. but forecasts are uncertain how quickly the cold air will arrive. Northern ID and western MT dense cloud cover and still breezy conditions for POOR to FAIR dispersion. Remainder of ID and MT still windy with GOOD to EXCELLENT dispersion but likely precipitation.
Saturday another front arrives to bring more wind and GOOD to EXCELLENT dispersion.