Weather in Big Sky, MT
Big Sky, Monday, 9 November, 23:20
Overcast. Feels like 40°. High 49°, low 30°.
Monthly outlook for Big Sky, MT: average high 38.4°, average low 22.7°. That is 2.5° above the climate normal for November. Precipitation is expected on 3 days (about 0.6 inches), against a normal of 6 days and 1.1 inches. The warmest day looks like 12 November (50.2°), the coolest 18 November (12°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 November – 18 November | 42.4° | 35.3° | +4° |
| 19 November – 28 November | 31.8° | 30.4° | +0.8° |
| 29 November – 8 December | at normal | 27.6° | — |
November records over 66 years
0
Big Sky, Tuesday, 10 November
Partly cloudy. High 49°, low 32°.
0
Big Sky, Wednesday, 11 November
Clear. High 49°, low 30°.
0Big Sky, Thursday, 12 November
Overcast. High 50°, low 31°.
0Big Sky, Friday, 13 November
Overcast. High 44°, low 29°.
0.02
Big Sky, Saturday, 14 November
Light snow. High 41°, low 29°.
0.07Big Sky, Sunday, 15 November
Snow. High 37°, low 27°.
0Big Sky, Monday, 16 November
Overcast. High 43°, low 26°.
0.34Big Sky, Tuesday, 17 November
Snow. High 33°, low 24°.
0.13Big Sky, Wednesday, 18 November
Light snow. High 30°, low 12°.
0Big Sky, Thursday, 19 November
Partly cloudy. High 32°, low 12°.
0Big Sky, Friday, 20 November
Clear. High 32°, low 13°.
0Big Sky, Saturday, 21 November
Light snow. High 31°, low 19°.
0Big Sky, Sunday, 22 November
Overcast. High 34°, low 15°.
0.01Big Sky, Monday, 23 November
Light snow. High 30°, low 16°.
0Big Sky, Tuesday, 24 November
Overcast. High 32°, low 16°.
0.11
Big Sky, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.09Big Sky, Thursday, 26 November
Climate normal for this date — 60-year average.
0.06
Big Sky, Friday, 27 November
Climate normal for this date — 60-year average.
0.07Big 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.
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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