noctourism.travel
Monday 2026-11-02

Glacier National Park

St. Mary, MT

60  Workable. Moon up after 12:55am, 50% cloud.

Astronomical darkness 7:00pm–5:37am (10.61h)
Milky Way core below the horizon all night. It is a summer object here, roughly late April to early September.

Why

Cloud 35 50% cloud, mostly high cirrus, thin to the eye but ruinous for photography
Moon 88 last quarter at 34%, rises 12:55am, dark before that
Darkness 100 10h37m of astronomical darkness, 7:00pm–5:37am
Transparency 100 Dewpoint spread 15.9°C, dry and steady air
Targets 0 Orionids running, about 0 an hour at best