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All proposals approved
All proposals approved.
Dispersion Discussion March 30 2026
Dan Borsum NRCC Predictive Services Meteorologist
Smoke Dispersion Maps and charts on the NRCC Website will be updated MTWTF.
Front moving through the region will bring unsettled weather and breezy conditions with VERY GOOD to EXCELLENT dispersion in MT. In ID dispersion should be GOOD to EXCELLENT though west central valleys will see high pressure moving in and making conditions stable by mid afternoon with FAIR to GOOD dispersion.
Tuesday surface high pressure moves east across the region with over the region reaching the MT/ND border by afternoon. Cooler and stable for northern and central and southwest ID for POOR to FAIR dispersion. Breezier eastern ID for FAIR to GOOD dispersion.
Wednesday increasing southwest flow causes the atmosphere to become more unstable for FAIR to GOOD dispersion in ID and northwest MT. Warmer and more unstable central, southwest and eastern MT for GOOD to VERY GOOD dispersion. Shower activity moves into ID and western MT late in the day.
Thursday and Friday low pressure moves through the region with unstable conditions on Thursday for mostly GOOD dispersion but as temperatures cool mixing will decrease on Friday.