Weather in Big Sandy, MT
Big Sandy, Sunday, 18 October, 21:56
Clear. Feels like 52°. High 61°, low 40°.
Monthly outlook for Big Sandy, MT: average high 52.9°, average low 36.4°. That is 0.2° below the climate normal for October. Precipitation is expected on 4 days (about 0.9 inches), against a normal of 3 days and 0.4 inches. The warmest day looks like 19 October (67.9°), the coolest 30 October (24.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 57.1° | 55.6° | +0.8° |
| 28 October – 6 November | 45.9° | 48.7° | -1.6° |
| 7 November – 16 November | at normal | 43.9° | — |
October records over 66 years
0
Big Sandy, Monday, 19 October
Partly cloudy. High 68°, low 41°.
0
Big Sandy, Tuesday, 20 October
Overcast. High 59°, low 41°.
0Big Sandy, Wednesday, 21 October
Partly cloudy. High 66°, low 39°.
0
Big Sandy, Thursday, 22 October
Clear. High 65°, low 42°.
0.15
Big Sandy, Friday, 23 October
Light rain. High 57°, low 44°.
0.17Big Sandy, Saturday, 24 October
Light rain. High 49°, low 39°.
0.02
Big Sandy, Sunday, 25 October
Light snow. High 45°, low 36°.
0Big Sandy, Monday, 26 October
Clear. High 51°, low 33°.
0Big Sandy, Tuesday, 27 October
Overcast. High 52°, low 39°.
0.01Big Sandy, Wednesday, 28 October
Light rain. High 51°, low 40°.
0.46Big Sandy, Thursday, 29 October
Snow. High 44°, low 30°.
0.04Big Sandy, Friday, 30 October
Light snow. High 37°, low 25°.
0Big Sandy, Saturday, 31 October
Overcast. High 43°, low 26°.
0Big Sandy, Sunday, 1 November
Light snow. High 51°, low 31°.
0.02Big Sandy, Monday, 2 November
Light rain. High 50°, low 37°.
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.
0.02
Big 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.
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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