Weather in Big Sag, MT
Big Sag, Thursday, 29 October, 02:39
Overcast. Feels like 29°. High 43°, low 29°.
0Big Sag, Friday, 30 October
Overcast. High 42°, low 31°.
0
Big Sag, Saturday, 31 October
Partly cloudy. High 51°, low 32°.
0.09
Big Sag, Sunday, 1 November
Light rain. High 42°, low 35°.
0
Big Sag, Monday, 2 November
Clear. High 56°, low 36°.
0Big Sag, Tuesday, 3 November
Overcast. High 57°, low 44°.
0Big Sag, Wednesday, 4 November
Overcast. High 51°, low 39°.
0Big Sag, Thursday, 5 November
Overcast. High 50°, low 39°.
0Big Sag, Friday, 6 November
Partly cloudy. High 57°, low 43°.
0
Big Sag, Saturday, 7 November
Mostly clear. High 57°, low 47°.
0.02Big Sag, Sunday, 8 November
Light rain. High 53°, low 42°.
0Big Sag, Monday, 9 November
Clear. High 50°, low 38°.
0Big Sag, Tuesday, 10 November
Overcast. High 55°, low 39°.
0Big Sag, Wednesday, 11 November
Overcast. High 53°, low 41°.
0Big Sag, Thursday, 12 November
Clear. High 58°, low 42°.
0Big Sag, Friday, 13 November
Overcast. High 58°, low 46°.
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 Sag, 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 Sag, 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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