Weather in Big Sandy, MT
Big Sandy, Wednesday, 21 October, 04:47
Overcast. Feels like 49°. High 69°, low 40°.
Monthly outlook for Big Sandy, MT: average high 47.7°, average low 31.7°. That is 2.1° below the climate normal for October. Precipitation is expected on 4 days (about 1.6 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 22 October (71°), the coolest 28 October (22.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 49.4° | 53.4° | -2.2° |
| 31 October – 9 November | 44.9° | 47° | -1.1° |
| 10 November – 19 November | at normal | 42.8° | — |
October records over 66 years
0
Big Sandy, Thursday, 22 October
Clear. High 71°, low 41°.
0.62
Big Sandy, Friday, 23 October
Snow. High 57°, low 36°.
0Big Sandy, Saturday, 24 October
Clear. High 43°, low 30°.
0
Big Sandy, Sunday, 25 October
Mostly clear. High 46°, low 27°.
0
Big Sandy, Monday, 26 October
Light rain. High 50°, low 27°.
0.14Big Sandy, Tuesday, 27 October
Snow. High 38°, low 29°.
0
Big Sandy, Wednesday, 28 October
Partly cloudy. High 33°, low 23°.
0Big Sandy, Thursday, 29 October
Clear. High 39°, low 25°.
0Big Sandy, Friday, 30 October
Clear. High 47°, low 29°.
0Big Sandy, Saturday, 31 October
Partly cloudy. High 49°, low 35°.
0Big Sandy, Sunday, 1 November
Overcast. High 54°, low 39°.
0.06Big Sandy, Monday, 2 November
Light rain. High 57°, low 43°.
0.75Big Sandy, Tuesday, 3 November
Snow. High 40°, low 31°.
0Big Sandy, Wednesday, 4 November
Overcast. High 34°, low 27°.
0Big Sandy, Thursday, 5 November
Partly cloudy. High 35°, low 26°.
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.
0.01Big Sandy, Sunday, 15 November
Climate normal for this date — 60-year average.
0.03Big Sandy, Monday, 16 November
Climate normal for this date — 60-year average.
0.03Big Sandy, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.02Big Sandy, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.02Big Sandy, Thursday, 19 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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