Weather in Indian Arrow, MT
Indian Arrow, Monday, 19 October, 19:12
Clear. Feels like 53°. High 67°, low 36°.
Monthly outlook for Indian Arrow, MT: average high 58.4°, average low 40.7°. That is 1.1° above the climate normal for October. Precipitation is expected on 2 days (about 0.3 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 22 October (71.4°), the coolest 28 October (28.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 56.6° | 58.9° | -1.2° |
| 29 October – 7 November | 61.4° | 52.1° | +5.1° |
| 8 November – 17 November | at normal | 47.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Huntley (10 mi).
0
Indian Arrow, Tuesday, 20 October
Mostly clear. High 67°, low 41°.
0
Indian Arrow, Wednesday, 21 October
Clear. High 64°, low 39°.
0Indian Arrow, Thursday, 22 October
Mostly clear. High 71°, low 45°.
0.17
Indian Arrow, Friday, 23 October
Light rain. High 60°, low 45°.
0.11Indian Arrow, Saturday, 24 October
Light rain. High 54°, low 43°.
0Indian Arrow, Sunday, 25 October
Clear. High 46°, low 37°.
0Indian Arrow, Monday, 26 October
Clear. High 51°, low 34°.
0
Indian Arrow, Tuesday, 27 October
Overcast. High 39°, low 30°.
0
Indian Arrow, Wednesday, 28 October
Partly cloudy. High 47°, low 28°.
0Indian Arrow, Thursday, 29 October
Overcast. High 64°, low 39°.
0Indian Arrow, Friday, 30 October
Overcast. High 66°, low 46°.
0Indian Arrow, Saturday, 31 October
Overcast. High 59°, low 49°.
0Indian Arrow, Sunday, 1 November
Overcast. High 58°, low 47°.
0Indian Arrow, Monday, 2 November
Overcast. High 59°, low 44°.
0.03Indian Arrow, Tuesday, 3 November
Light rain. High 62°, low 48°.
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.
0.02Indian Arrow, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Indian Arrow, 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 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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