A backdoor cold front moved from north to south out of Canada and combined with shower activity to produce strong winds across the region.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS MSO wrote it up.
A backdoor cold front moved from north to south out of Canada and combined with shower activity to produce strong winds across the region.
The national radar mosaic for the moment the first event began.
1 strong wind. Local standard time, as filed.
Fairly widespread wind gusts of forty five to fifty five miles per hour were observed. The strong winds resulted in over six hundred customers losing power in the Missoula and Lolo area.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Montana in 2026Every state in 2026This day in weather historyWarnings in Montana, June 2026
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 1348918.