Weather in Big Sandy, MT
Big Sandy, Monday, 19 October, 03:14
Partly cloudy. Feels like 45°. High 65°, low 36°.
Monthly outlook for Big Sandy, MT: average high 52.1°, average low 36.3°. That is 0.4° below the climate normal for October. Precipitation is expected on 4 days (about 1.2 inches), against a normal of 3 days and 0.4 inches. The warmest day looks like 21 October (65.9°), the coolest 27 October (26.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 52.1° | 55° | -1.6° |
| 29 October – 7 November | 52.1° | 48.1° | +2.2° |
| 8 November – 17 November | at normal | 43.5° | — |
October records over 66 years
0
Big Sandy, Tuesday, 20 October
Overcast. High 58°, low 38°.
0
Big Sandy, Wednesday, 21 October
Clear. High 66°, low 39°.
0
Big Sandy, Thursday, 22 October
Mostly clear. High 65°, low 40°.
0.76
Big Sandy, Friday, 23 October
Rain. High 55°, low 43°.
0.25Big Sandy, Saturday, 24 October
Rain. High 47°, low 37°.
0.13
Big Sandy, Sunday, 25 October
Snow. High 48°, low 34°.
0.06Big Sandy, Monday, 26 October
Light snow. High 34°, low 27°.
0Big Sandy, Tuesday, 27 October
Clear. High 35°, low 27°.
0Big Sandy, Wednesday, 28 October
Clear. High 47°, low 29°.
0Big Sandy, Thursday, 29 October
Overcast. High 55°, low 35°.
0Big Sandy, Friday, 30 October
Overcast. High 58°, low 44°.
0Big Sandy, Saturday, 31 October
Overcast. High 56°, low 42°.
0Big Sandy, Sunday, 1 November
Overcast. High 55°, low 41°.
0Big Sandy, Monday, 2 November
Overcast. High 42°, low 34°.
0Big Sandy, Tuesday, 3 November
Mostly clear. High 47°, low 34°.
0.04
Big 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.
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.
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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