Freezing Fog — Lower Clark Fork Region, Montana
2023-12-16 · Lower Clark Fork Region, Montana
2
Direct deaths
5
Injuries
$70K
Property damage
Event narrative
Freezing fog led to ice formation on area roadways. Icy roads were likely a contributing factor to a three vehicle collision on Highway 93 near Evaro. The crash resulted in five injuries and two fatalities.
Wider weather episode
High pressure led to stable conditions and cold pool formation across the Northern Rockies. This led to a prolonged period of dense fog.
Source: NOAA Storm Events Database, event_id 1147344. Narrative written by the NWS forecast office that issued the report.