Airshed
Management
System

Show Information for:

Burn Recommendations

Last Updated: 2026-03-05 13:33:54.413357 MST
Idaho
No Proposals
Montana

Meteorology/Dispersion Discussion

Last Updated: 2026-03-05 22:45:25.910219 MST

Dispersion Discussion March 6 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.

Warmer weather approaches from the west on Friday with more stable conditions for north ID but still enough wind other areas for FAIR to GOOD dispersion. Some shower activity in southern MT. 

High pressure influence strongest on Saturday making most areas stable except for central and eastern MT. POOR to FAIR dispersion ID and western MT and GOOD dispersion central and eastern MT. Showers possible over north ID and northwest MT. 

Ridge breakdown and cold front Sunday. Parts of ID still stable on Sunday with POOR to FAIR dispersion with most of MT GOOD to EXCELLENT dispersion.  Main cold front push Sunday afternoon. Mountain wave activity like in the lee slopes. 

Post frontal and breezy Monday and Tuesday with strong westerly flow aloft with GOOD to EXCELLENT dispersion. Some shower activity possible favoring westerly slopes. 

v.1.0.5