Weather in Blacktail, MT
Blacktail, Friday, 9 October, 12:32
Mostly clear. Feels like 60°. High 62°, low 36°.
Monthly outlook for Blacktail, MT: average high 48.4°, average low 29.6°. That is 0.7° below the climate normal for October. Precipitation is expected on 4 days (about 0.7 inches), against a normal of 7 days and 1.7 inches. The warmest day looks like 9 October (62.5°), the coolest 13 October (21.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 45.9° | 50.5° | -2.5° |
| 19 October – 28 October | 52.6° | 46.7° | +3.3° |
| 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).
0.07
Blacktail, Saturday, 10 October
Snow. High 43°, low 24°.
0.5Blacktail, Sunday, 11 October
Snow. High 28°, low 24°.
0.06Blacktail, Monday, 12 October
Light snow. High 38°, low 24°.
0
Blacktail, Tuesday, 13 October
Partly cloudy. High 43°, low 21°.
0
Blacktail, Wednesday, 14 October
Overcast. High 46°, low 25°.
0
Blacktail, Thursday, 15 October
Light rain. High 38°, low 30°.
0Blacktail, Friday, 16 October
Overcast. High 48°, low 23°.
0Blacktail, Saturday, 17 October
Overcast. High 55°, low 30°.
0Blacktail, Sunday, 18 October
Overcast. High 59°, low 36°.
0Blacktail, Monday, 19 October
Overcast. High 53°, low 38°.
0.01Blacktail, Tuesday, 20 October
Light rain. High 47°, low 34°.
0.02Blacktail, Wednesday, 21 October
Light rain. High 47°, low 31°.
0Blacktail, Thursday, 22 October
Mostly clear. High 51°, low 29°.
0Blacktail, Friday, 23 October
Mostly clear. High 57°, low 32°.
0
Blacktail, Saturday, 24 October
Clear. High 61°, low 35°.
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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