Dog Disease Outbreaks in Montana

Libby

Bat found in Libby tested positive; first confirmed rabies-positive bat in Lincoln County in 2026

Decker, Big Horn County

Tongue River Reservoir

West Yellowstone, Gallatin County

Hebgen Lake (Grayling Arm)

Helena, Lewis and Clark County

Hauser Reservoir (Clark's Bay / Causeway)

Bozeman, Gallatin County

Elk Grove Pond (Four Corners)

Billings

Rabid bat, first confirmed Yellowstone County case of 2026, early July; exact location not disclosed, pinned at county seat

East Helena, Lewis and Clark County

Lake Helena (Causeway Fishing Access)

Townsend, Broadwater County

Canyon Ferry Reservoir (Duck Creek Campground)

Roberts, Carbon County

Cooney Reservoir

Bozeman

Rabid bat, Gallatin County, June 2026 per MT Dept of Livestock; exact date and location not disclosed, pinned at county seat

Kalispell

Bat found inside a residential home tested positive; first rabies-positive animal in Flathead County in 2026. County-only, pinned at county seat

Is there a dog disease outbreak in Montana right now?

ParvoMaps is currently tracking 4 active reports in Montana, most commonly blue-green algae. Reports stay marked active for a set window per disease, then move to historical.

What dog diseases have been reported in Montana?

Reports in Montana cover blue-green algae, rabies, drawn from news coverage, health department notices and community reports.

How do I know if a report near me is still current?

Every report carries the date it happened and a link to its source. Each disease has its own active window — blue-green algae advisories expire in 30 days, parvo reports stay active for a year — so a pin marked active is one still worth acting on.