Show Information for:
Dispersion Discussion March 4 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.
Disturbance moving eastward heading into central MT tonight. Cooler weather and clouds and precipitation limit mixing over western MT and most ID except eastern ID today. Better dispersion central and eastern MT and southeast and east central MT today.
Thursday breezy and unsettled most of the region for mostly GOOD dispersion except for sheltered valleys. Precipitation will impact broadcast burning.
Warmer weather approaches from the west on Friday with more stable conditions for north ID and northern MT but still breezy other areas for FAIR to GOOD dispersion.
High pressure influence strongest on Saturday making most areas stable except for eastern MT so POOR to FAIR dispersion ID and western MT and GOOD dispersion central and eastern MT.
Ridge breakdown and breezy conditions Sunday into early next week but cooler with showers.