Weather in Big Sag, MT
Big Sag, Thursday, 12 November, 21:32
Overcast. Feels like 48°. High 62°, low 42°.
0Big Sag, Friday, 13 November
Overcast. High 59°, low 37°.
0
Big Sag, Saturday, 14 November
Clear. High 62°, low 41°.
0
Big Sag, Sunday, 15 November
Partly cloudy. High 60°, low 43°.
0.03
Big Sag, Monday, 16 November
Light rain. High 54°, low 44°.
0.12
Big Sag, Tuesday, 17 November
Snow. High 41°, low 34°.
0.31Big Sag, Wednesday, 18 November
Snow. High 36°, low 33°.
0.19Big Sag, Thursday, 19 November
Light snow. High 35°, low 31°.
0.15Big Sag, Friday, 20 November
Light snow. High 33°, low 30°.
0Big Sag, Saturday, 21 November
Overcast. High 35°, low 26°.
0.24Big Sag, Sunday, 22 November
Snow. High 36°, low 28°.
0.3Big Sag, Monday, 23 November
Snow. High 33°, low 22°.
0.1Big Sag, Tuesday, 24 November
Light snow. High 27°, low 21°.
0.17Big Sag, Wednesday, 25 November
Snow. High 42°, low 22°.
0Big Sag, Thursday, 26 November
Overcast. High 43°, low 37°.
0.01Big Sag, Friday, 27 November
Light rain. High 42°, low 36°.
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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