Weather in Big Sandy, MT
Big Sandy, Friday, 30 October, 07:09
Overcast. Feels like 35°. High 41°, low 34°.
Monthly outlook for Big Sandy, MT: average high 49°, average low 36.3°. That is 1.7° above the climate normal for October. Precipitation is expected on 5 days (about 2.8 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 8 November (62.8°), the coolest 1 November (31.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 51.4° | 47.6° | +2.1° |
| 9 November – 18 November | 45° | 43.1° | +1° |
| 19 November – 28 November | at normal | 37.5° | — |
October records over 66 years
0Big Sandy, Saturday, 31 October
Overcast. High 46°, low 32°.
0.13
Big Sandy, Sunday, 1 November
Rain. High 47°, low 31°.
0.11Big Sandy, Monday, 2 November
Rain. High 51°, low 36°.
0Big Sandy, Tuesday, 3 November
Overcast. High 54°, low 36°.
0
Big Sandy, Wednesday, 4 November
Clear. High 51°, low 32°.
0Big Sandy, Thursday, 5 November
Overcast. High 50°, low 36°.
0Big Sandy, Friday, 6 November
Overcast. High 54°, low 40°.
0
Big Sandy, Saturday, 7 November
Mostly clear. High 58°, low 37°.
0Big Sandy, Sunday, 8 November
Overcast. High 63°, low 47°.
0Big Sandy, Monday, 9 November
Overcast. High 61°, low 46°.
0Big Sandy, Tuesday, 10 November
Mostly clear. High 56°, low 43°.
0Big Sandy, Wednesday, 11 November
Mostly clear. High 49°, low 35°.
0.69
Big Sandy, Thursday, 12 November
Snow. High 38°, low 32°.
1.75Big Sandy, Friday, 13 November
Snow. High 33°, low 32°.
0.17Big Sandy, Saturday, 14 November
Snow. High 34°, low 33°.
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.
0.02Big Sandy, Friday, 20 November
Climate normal for this date — 60-year average.
0.02Big Sandy, Saturday, 21 November
Climate normal for this date — 60-year average.
0.03
Big Sandy, Sunday, 22 November
Climate normal for this date — 60-year average.
0.03Big Sandy, Monday, 23 November
Climate normal for this date — 60-year average.
0.03Big Sandy, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.04Big Sandy, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.04Big Sandy, Thursday, 26 November
Climate normal for this date — 60-year average.
0.02Big Sandy, Friday, 27 November
Climate normal for this date — 60-year average.
0.04Big Sandy, Saturday, 28 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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