Weather in Big Sky, MT
Big Sky, Monday, 9 November, 14:08
Overcast. Feels like 49°. High 50°, low 30°.
Monthly outlook for Big Sky, MT: average high 37.3°, average low 20.8°. That is 1.8° above the climate normal for November. Precipitation is expected on 5 days (about 1.0 inches), against a normal of 6 days and 1.1 inches. The warmest day looks like 12 November (51.5°), the coolest 20 November (9.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 November – 18 November | 42° | 35.3° | +3.7° |
| 19 November – 28 November | 29.4° | 30.4° | -0.6° |
| 29 November – 8 December | at normal | 27.6° | — |
November records over 66 years
0.02
Big Sky, Tuesday, 10 November
Light snow. High 50°, low 34°.
0
Big Sky, Wednesday, 11 November
Mostly clear. High 48°, low 28°.
0Big Sky, Thursday, 12 November
Overcast. High 52°, low 31°.
0Big Sky, Friday, 13 November
Overcast. High 44°, low 29°.
0.11Big Sky, Saturday, 14 November
Snow. High 38°, low 31°.
0Big Sky, Sunday, 15 November
Overcast. High 38°, low 25°.
0.37Big Sky, Monday, 16 November
Snow. High 41°, low 27°.
0.19Big Sky, Tuesday, 17 November
Snow. High 32°, low 13°.
0
Big Sky, Wednesday, 18 November
Partly cloudy. High 28°, low 12°.
0.03Big Sky, Thursday, 19 November
Light snow. High 27°, low 9°.
0.04Big Sky, Friday, 20 November
Light snow. High 24°, low 9°.
0Big Sky, Saturday, 21 November
Overcast. High 32°, low 12°.
0Big Sky, Sunday, 22 November
Overcast. High 33°, low 15°.
0.19Big Sky, Monday, 23 November
Snow. High 30°, low 16°.
0.04Big Sky, Tuesday, 24 November
Light snow. High 30°, low 14°.
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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