Weather in Heart Butte, MT
Heart Butte, Saturday, 31 October, 22:26
Overcast. Feels like 33°. High 38°, low 29°.
Monthly outlook for Heart Butte, MT: average high 46.2°, average low 34.1°. That is 3.6° above the climate normal for October. Precipitation is expected on 2 days (about 0.3 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 3 November (53.5°), the coolest 31 October (29°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 46.1° | 40.7° | +3° |
| 10 November – 19 November | 46.4° | 37.2° | +5.1° |
| 20 November – 29 November | at normal | 32.2° | — |
October records over 66 years
0.15
Heart Butte, Sunday, 1 November
Light rain. High 36°, low 29°.
0
Heart Butte, Monday, 2 November
Clear. High 46°, low 29°.
0Heart Butte, Tuesday, 3 November
Overcast. High 54°, low 30°.
0Heart Butte, Wednesday, 4 November
Clear. High 53°, low 30°.
0Heart Butte, Thursday, 5 November
Overcast. High 45°, low 34°.
0Heart Butte, Friday, 6 November
Overcast. High 44°, low 35°.
0Heart Butte, Saturday, 7 November
Overcast. High 51°, low 38°.
0Heart Butte, Sunday, 8 November
Overcast. High 53°, low 42°.
0.16
Heart Butte, Monday, 9 November
Snow. High 42°, low 35°.
0Heart Butte, Tuesday, 10 November
Overcast. High 48°, low 37°.
0Heart Butte, Wednesday, 11 November
Overcast. High 49°, low 37°.
0.01Heart Butte, Thursday, 12 November
Light rain. High 41°, low 36°.
0.03Heart Butte, Friday, 13 November
Light snow. High 46°, low 36°.
0Heart Butte, Saturday, 14 November
Overcast. High 52°, low 35°.
0Heart Butte, Sunday, 15 November
Overcast. High 42°, low 32°.
0.04
Heart Butte, Monday, 16 November
Climate normal for this date — 60-year average.
0.05Heart Butte, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.05Heart Butte, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.05Heart Butte, Thursday, 19 November
Climate normal for this date — 60-year average.
0.04Heart Butte, Friday, 20 November
Climate normal for this date — 60-year average.
0.05Heart Butte, Saturday, 21 November
Climate normal for this date — 60-year average.
0.05Heart Butte, Sunday, 22 November
Climate normal for this date — 60-year average.
0.03
Heart Butte, Monday, 23 November
Climate normal for this date — 60-year average.
0.07Heart Butte, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.08
Heart Butte, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.06Heart Butte, Thursday, 26 November
Climate normal for this date — 60-year average.
0.05Heart Butte, Friday, 27 November
Climate normal for this date — 60-year average.
0.05Heart Butte, Saturday, 28 November
Climate normal for this date — 60-year average.
0.04Heart Butte, Sunday, 29 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 Heart Butte, 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 Heart Butte, 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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