Weather in Big Sky, MT
Big Sky, Friday, 13 November, 11:39
Overcast. Feels like 49°. High 52°, low 26°.
Monthly outlook for Big Sky, MT: average high 33.2°, average low 16.3°. That is 0.7° above the climate normal for November. Precipitation is expected on 7 days (about 1.1 inches), against a normal of 6 days and 1.2 inches. The warmest day looks like 13 November (51.6°), the coolest 23 November (3.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 34.3° | 33.8° | +0.3° |
| 23 November – 2 December | 31.5° | 28.8° | +1.5° |
| 3 December – 12 December | at normal | 27° | — |
November records over 66 years
0Big Sky, Saturday, 14 November
Overcast. High 45°, low 27°.
0
Big Sky, Sunday, 15 November
Partly cloudy. High 40°, low 23°.
0Big Sky, Monday, 16 November
Overcast. High 38°, low 23°.
0.63
Big Sky, Tuesday, 17 November
Snow. High 32°, low 25°.
0.04Big Sky, Wednesday, 18 November
Light snow. High 28°, low 13°.
0.08Big Sky, Thursday, 19 November
Light snow. High 31°, low 17°.
0.07Big Sky, Friday, 20 November
Light snow. High 27°, low 16°.
0.09Big Sky, Saturday, 21 November
Light snow. High 25°, low 14°.
0.01Big Sky, Sunday, 22 November
Light snow. High 25°, low 5°.
0
Big Sky, Monday, 23 November
Clear. High 25°, low 4°.
0Big Sky, Tuesday, 24 November
Clear. High 37°, low 11°.
0.01Big Sky, Wednesday, 25 November
Light snow. High 30°, low 15°.
0Big Sky, Thursday, 26 November
Clear. High 35°, low 13°.
0.04Big Sky, Friday, 27 November
Light snow. High 32°, low 12°.
0.17Big Sky, Saturday, 28 November
Light snow. High 30°, low 16°.
0.05
Big Sky, Sunday, 29 November
Climate normal for this date — 60-year average.
0.06Big Sky, Monday, 30 November
Climate normal for this date — 60-year average.
0.06Big Sky, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.09Big Sky, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.07Big Sky, Thursday, 3 December
Climate normal for this date — 60-year average.
0.07Big Sky, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Big Sky, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Big Sky, Sunday, 6 December
Climate normal for this date — 60-year average.
0.06Big Sky, Monday, 7 December
Climate normal for this date — 60-year average.
0.05Big Sky, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.05Big Sky, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.05Big Sky, Thursday, 10 December
Climate normal for this date — 60-year average.
0.05Big Sky, Friday, 11 December
Climate normal for this date — 60-year average.
0.08Big Sky, Saturday, 12 December
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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