Weather in Indian Arrow, MT
Indian Arrow, Thursday, 15 October, 06:37
Overcast. Feels like 36°. High 53°, low 37°.
Monthly outlook for Indian Arrow, MT: average high 58.6°, average low 39.4°. That is 0° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 17 October (73.5°), the coolest 25 October (32.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 60.5° | 60.4° | +0.1° |
| 25 October – 3 November | 55.3° | 54.2° | +0.6° |
| 4 November – 13 November | at normal | 49° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Huntley (10 mi).
0
Indian Arrow, Friday, 16 October
Clear. High 64°, low 32°.
0Indian Arrow, Saturday, 17 October
Overcast. High 73°, low 43°.
0Indian Arrow, Sunday, 18 October
Overcast. High 62°, low 45°.
0Indian Arrow, Monday, 19 October
Clear. High 65°, low 39°.
0Indian Arrow, Tuesday, 20 October
Clear. High 67°, low 41°.
0Indian Arrow, Wednesday, 21 October
Clear. High 62°, low 46°.
0.01
Indian Arrow, Thursday, 22 October
Light rain. High 62°, low 48°.
0Indian Arrow, Friday, 23 October
Light rain. High 49°, low 38°.
0Indian Arrow, Saturday, 24 October
Overcast. High 46°, low 35°.
0.01Indian Arrow, Sunday, 25 October
Light rain. High 50°, low 32°.
0.1Indian Arrow, Monday, 26 October
Light rain. High 52°, low 37°.
0Indian Arrow, Tuesday, 27 October
Overcast. High 56°, low 37°.
0Indian Arrow, Wednesday, 28 October
Overcast. High 64°, low 43°.
0Indian Arrow, Thursday, 29 October
Overcast. High 56°, low 41°.
0Indian Arrow, Friday, 30 October
Overcast. High 53°, low 35°.
0.04
Indian Arrow, Saturday, 31 October
Climate normal for this date — 60-year average.
0.04Indian Arrow, Sunday, 1 November
Climate normal for this date — 60-year average.
0.02Indian 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.
0.04
Indian 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.
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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