Weather in Big Sky, MT
Big Sky, Thursday, 12 November, 03:44
Overcast. Feels like 26°. High 56°, low 26°.
Monthly outlook for Big Sky, MT: average high 36.2°, average low 18.8°. That is 2° above the climate normal for November. Precipitation is expected on 6 days (about 0.9 inches), against a normal of 6 days and 1.2 inches. The warmest day looks like 12 November (56.4°), the coolest 23 November (5.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 39.9° | 34.3° | +3.1° |
| 22 November – 1 December | 30° | 29° | +0.5° |
| 2 December – 11 December | at normal | 27.2° | — |
November records over 66 years
0Big Sky, Friday, 13 November
Overcast. High 55°, low 31°.
0Big Sky, Saturday, 14 November
Overcast. High 40°, low 30°.
0Big Sky, Sunday, 15 November
Overcast. High 41°, low 22°.
0
Big Sky, Monday, 16 November
Light snow. High 40°, low 26°.
0.01Big Sky, Tuesday, 17 November
Light snow. High 38°, low 29°.
0.26Big Sky, Wednesday, 18 November
Snow. High 37°, low 26°.
0.07Big Sky, Thursday, 19 November
Light snow. High 35°, low 19°.
0.08Big Sky, Friday, 20 November
Snow. High 32°, low 14°.
0.31Big Sky, Saturday, 21 November
Snow. High 22°, low 15°.
0.01Big Sky, Sunday, 22 November
Light snow. High 26°, low 6°.
0.01Big Sky, Monday, 23 November
Light snow. High 23°, low 5°.
0Big Sky, Tuesday, 24 November
Overcast. High 30°, low 9°.
0.05Big Sky, Wednesday, 25 November
Light snow. High 31°, low 11°.
0.13Big Sky, Thursday, 26 November
Light snow. High 35°, low 15°.
0
Big Sky, Friday, 27 November
Partly cloudy. High 35°, low 16°.
0.07
Big Sky, Saturday, 28 November
Climate normal for this date — 60-year average.
0.05Big 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.
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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