Weather in Blacktail, MT
Blacktail, Friday, 9 October, 16:29
Mostly clear. Feels like 63°. High 65°, low 36°.
Monthly outlook for Blacktail, MT: average high 51.6°, average low 31.1°. That is 1.1° above the climate normal for October. Precipitation is expected on 4 days (about 1.0 inches), against a normal of 7 days and 1.7 inches. The warmest day looks like 9 October (64.8°), the coolest 11 October (19.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 47.8° | 50.5° | -1.5° |
| 19 October – 28 October | 57.9° | 46.7° | +6.2° |
| 29 October – 7 November | at normal | 40.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Nimrod (6 mi).
0.03
Blacktail, Saturday, 10 October
Light snow. High 43°, low 24°.
0.46Blacktail, Sunday, 11 October
Snow. High 28°, low 20°.
0.15Blacktail, Monday, 12 October
Snow. High 39°, low 25°.
0Blacktail, Tuesday, 13 October
Mostly clear. High 44°, low 22°.
0
Blacktail, Wednesday, 14 October
Clear. High 49°, low 24°.
0
Blacktail, Thursday, 15 October
Light rain. High 42°, low 29°.
0
Blacktail, Friday, 16 October
Partly cloudy. High 53°, low 26°.
0
Blacktail, Saturday, 17 October
Overcast. High 56°, low 35°.
0Blacktail, Sunday, 18 October
Partly cloudy. High 60°, low 37°.
0Blacktail, Monday, 19 October
Overcast. High 64°, low 40°.
0Blacktail, Tuesday, 20 October
Clear. High 61°, low 39°.
0Blacktail, Wednesday, 21 October
Clear. High 59°, low 35°.
0.22Blacktail, Thursday, 22 October
Rain. High 61°, low 40°.
0.09Blacktail, Friday, 23 October
Light rain. High 46°, low 35°.
0Blacktail, Saturday, 24 October
Clear. High 56°, low 33°.
0.09
Blacktail, Sunday, 25 October
Climate normal for this date — 60-year average.
0.13Blacktail, Monday, 26 October
Climate normal for this date — 60-year average.
0.12Blacktail, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.11Blacktail, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.14Blacktail, Thursday, 29 October
Climate normal for this date — 60-year average.
0.09Blacktail, Friday, 30 October
Climate normal for this date — 60-year average.
0.17Blacktail, Saturday, 31 October
Climate normal for this date — 60-year average.
0.15Blacktail, Sunday, 1 November
Climate normal for this date — 60-year average.
0.15Blacktail, Monday, 2 November
Climate normal for this date — 60-year average.
0.1Blacktail, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.19Blacktail, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.15Blacktail, Thursday, 5 November
Climate normal for this date — 60-year average.
0.16Blacktail, Friday, 6 November
Climate normal for this date — 60-year average.
0.17Blacktail, Saturday, 7 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 Blacktail, 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 Blacktail, 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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