StarCast · Kalispell, MT

Night Sky Tonight in Kalispell

Reading tonight's sky conditions…
/ 100
Moon
Dark window
Galactic core
Conditions
Bortle class

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What's in the score
Cloud cover
Moon illumination
Bortle class
Transparency
Humidity

What the app shows you
StarCast galactic core forecast
Nearby dark sky locations

Live scores for the night sky, Milky Way Core windows, darker skies nearby, & more
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Frequently asked
Is tonight good for stargazing in Kalispell?
The live score above pulls today's forecast and runs it through StarCast's scoring model, factoring in cloud cover, moon illumination, Bortle class, humidity, and atmospheric transparency. Above 70 is an excellent night for astrophotography. Below 40, conditions are poor. The score updates daily.
What makes Kalispell good for astrophotography?
Kalispell sits at 2,900 feet in the heart of the Flathead Valley, at the commercial hub of the Glacier region in northwestern Montana. The city is the largest in the area, but the surrounding terrain transitions rapidly to Flathead National Forest and the Mission Mountains to the east — both with Bortle Class 2 to 3 skies. Flathead Lake — the largest freshwater lake west of the Mississippi in the lower 48 — lies just south and is one of the most compelling Milky Way reflection foregrounds in the region, with its dark water and distant Mission Range silhouette. Glacier National Park is 30 miles east and reachable by the Hungry Horse area via the Flathead River valley. The Bob Marshall Wilderness to the southeast adds millions of acres of roadless, unpopulated terrain that keeps light pollution minimal to the south and east.
When is the Milky Way visible near Kalispell?
The galactic core is visible from late March through early October. Northern Montana's latitude means short midsummer nights, so the most productive astrophotography windows are May and then late August through September when meaningful astronomical darkness returns. Flathead Lake is a year-round foreground option, with autumn being especially compelling when the lake surface is calm and fall color lines the Mission Range. Aurora photography is a realistic seasonal goal from late August through April, adding a second major draw for night photographers beyond the Milky Way season.