Weather in Indian Arrow, MT
Indian Arrow, Saturday, 17 October, 13:59
Partly cloudy. Feels like 70°. High 72°, low 43°.
Monthly outlook for Indian Arrow, MT: average high 54.9°, average low 37.5°. That is 1.5° below the climate normal for October. Precipitation is expected on 3 days (about 2.1 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 17 October (72.1°), the coolest 31 October (13.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 60.5° | 59.9° | +0.4° |
| 27 October – 5 November | 45.5° | 53.2° | -4.3° |
| 6 November – 15 November | at normal | 48.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Huntley (10 mi).
0Indian Arrow, Sunday, 18 October
Partly cloudy. High 62°, low 43°.
0
Indian Arrow, Monday, 19 October
Clear. High 66°, low 38°.
0Indian Arrow, Tuesday, 20 October
Partly cloudy. High 66°, low 43°.
0Indian Arrow, Wednesday, 21 October
Clear. High 63°, low 40°.
0Indian Arrow, Thursday, 22 October
Clear. High 69°, low 44°.
0.63
Indian Arrow, Friday, 23 October
Rain. High 54°, low 43°.
0.93Indian Arrow, Saturday, 24 October
Rain. High 49°, low 40°.
0
Indian Arrow, Sunday, 25 October
Overcast. High 51°, low 39°.
0Indian Arrow, Monday, 26 October
Partly cloudy. High 53°, low 43°.
0Indian Arrow, Tuesday, 27 October
Partly cloudy. High 57°, low 43°.
0Indian Arrow, Wednesday, 28 October
Clear. High 51°, low 39°.
0Indian Arrow, Thursday, 29 October
Overcast. High 54°, low 38°.
0.56
Indian Arrow, Friday, 30 October
Snow. High 41°, low 27°.
0Indian Arrow, Saturday, 31 October
Clear. High 33°, low 14°.
0Indian Arrow, Sunday, 1 November
Overcast. High 36°, low 22°.
0.02
Indian Arrow, Monday, 2 November
Climate normal for this date — 60-year average.
0.02Indian Arrow, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Indian Arrow, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Indian Arrow, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Indian Arrow, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Indian Arrow, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Indian Arrow, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Indian Arrow, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Indian Arrow, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Indian Arrow, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.03Indian Arrow, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Indian Arrow, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Indian Arrow, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Indian Arrow, Sunday, 15 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 Indian Arrow, 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 Indian Arrow, 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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