Weather in Big Sandy, MT
Big Sandy, Friday, 16 October, 09:07
Clear. Feels like 40°. High 68°, low 34°.
Monthly outlook for Big Sandy, MT: average high 57°, average low 37.6°. That is 1.4° above the climate normal for October. Precipitation is expected on 1 day (about 0.8 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 17 October (72.8°), the coolest 25 October (33.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 60.2° | 56.5° | +2.1° |
| 26 October – 4 November | 51.7° | 49.9° | +1° |
| 5 November – 14 November | at normal | 44.4° | — |
October records over 66 years
0
Big Sandy, Saturday, 17 October
Overcast. High 73°, low 44°.
0Big Sandy, Sunday, 18 October
Clear. High 62°, low 41°.
0
Big Sandy, Monday, 19 October
Mostly clear. High 59°, low 34°.
0Big Sandy, Tuesday, 20 October
Overcast. High 59°, low 37°.
0Big Sandy, Wednesday, 21 October
Clear. High 65°, low 36°.
0Big Sandy, Thursday, 22 October
Overcast. High 69°, low 51°.
0.75
Big Sandy, Friday, 23 October
Snow. High 54°, low 37°.
0.04Big Sandy, Saturday, 24 October
Light snow. High 45°, low 35°.
0Big Sandy, Sunday, 25 October
Clear. High 48°, low 33°.
0Big Sandy, Monday, 26 October
Clear. High 49°, low 34°.
0Big Sandy, Tuesday, 27 October
Clear. High 56°, low 37°.
0Big Sandy, Wednesday, 28 October
Overcast. High 53°, low 41°.
0
Big Sandy, Thursday, 29 October
Partly cloudy. High 48°, low 35°.
0Big Sandy, Friday, 30 October
Clear. High 50°, low 35°.
0Big Sandy, Saturday, 31 October
Mostly clear. High 54°, low 39°.
0.02Big Sandy, Sunday, 1 November
Climate normal for this date — 60-year average.
0.02Big Sandy, Monday, 2 November
Climate normal for this date — 60-year average.
0.03Big Sandy, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.04Big Sandy, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.05Big Sandy, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Big Sandy, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Big Sandy, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Big Sandy, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Big Sandy, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Big Sandy, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.03Big Sandy, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.03Big Sandy, Thursday, 12 November
Climate normal for this date — 60-year average.
0.02Big Sandy, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Big Sandy, Saturday, 14 November
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 Sandy, 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 Sandy, 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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