Weather in Big Sky, MT
Big Sky, Saturday, 24 October, 18:05
Clear. Feels like 37°. High 37°, low 19°.
Monthly outlook for Big Sky, MT: average high 39.1°, average low 23.8°. That is 0.8° below the climate normal for October. Precipitation is expected on 8 days (about 2.3 inches), against a normal of 6 days and 1.2 inches. The warmest day looks like 7 November (46°), the coolest 1 November (11.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 24 October – 2 November | 38° | 41.5° | -1.9° |
| 3 November – 12 November | 40.8° | 37.8° | +1.6° |
| 13 November – 22 November | at normal | 33.8° | — |
October records over 66 years
0Big Sky, Sunday, 25 October
Clear. High 44°, low 25°.
0.03
Big Sky, Monday, 26 October
Snow. High 45°, low 24°.
0.37Big Sky, Tuesday, 27 October
Snow. High 31°, low 21°.
0.02Big Sky, Wednesday, 28 October
Light snow. High 37°, low 20°.
0.2Big Sky, Thursday, 29 October
Snow. High 41°, low 23°.
0.63Big Sky, Friday, 30 October
Snow. High 38°, low 31°.
0.09Big Sky, Saturday, 31 October
Light snow. High 31°, low 18°.
0Big Sky, Sunday, 1 November
Clear. High 35°, low 11°.
0.06Big Sky, Monday, 2 November
Light snow. High 42°, low 18°.
0.08Big Sky, Tuesday, 3 November
Snow. High 38°, low 27°.
0.43Big Sky, Wednesday, 4 November
Snow. High 38°, low 25°.
0
Big Sky, Thursday, 5 November
Overcast. High 39°, low 27°.
0.01
Big Sky, Friday, 6 November
Light rain. High 41°, low 29°.
0Big Sky, Saturday, 7 November
Overcast. High 46°, low 33°.
0.41Big Sky, Sunday, 8 November
Snow. High 44°, low 28°.
0.07
Big Sky, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Big Sky, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Big Sky, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.08
Big Sky, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Big Sky, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Big Sky, Saturday, 14 November
Climate normal for this date — 60-year average.
0.04Big Sky, Sunday, 15 November
Climate normal for this date — 60-year average.
0.07Big Sky, Monday, 16 November
Climate normal for this date — 60-year average.
0.06Big Sky, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Big Sky, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07Big Sky, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07Big Sky, Friday, 20 November
Climate normal for this date — 60-year average.
0.04Big Sky, Saturday, 21 November
Climate normal for this date — 60-year average.
0.07Big Sky, Sunday, 22 November
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Big Sky, MT are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Big Sky, MT since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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