Weather in Belle Fourche, SD
Belle Fourche, Friday, 16 October, 07:57
Clear. Feels like 32°. High 55°, low 34°.
Monthly outlook for Belle Fourche, SD: average high 59.1°, average low 40.6°. That is 1.4° above the climate normal for October. Precipitation is expected on 2 days (about 0.6 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 22 October (80.3°), the coolest 26 October (33.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 65.3° | 58.5° | +3.8° |
| 26 October – 4 November | 48.8° | 52.6° | -2.1° |
| 5 November – 14 November | at normal | 47.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Arpan (13 mi).
0
Belle Fourche, Saturday, 17 October
Mostly clear. High 74°, low 41°.
0Belle Fourche, Sunday, 18 October
Clear. High 69°, low 45°.
0Belle Fourche, Monday, 19 October
Clear. High 63°, low 41°.
0Belle Fourche, Tuesday, 20 October
Clear. High 73°, low 44°.
0Belle Fourche, Wednesday, 21 October
Clear. High 67°, low 48°.
0Belle Fourche, Thursday, 22 October
Mostly clear. High 80°, low 47°.
0.02
Belle Fourche, Friday, 23 October
Light rain. High 72°, low 49°.
0
Belle Fourche, Saturday, 24 October
Overcast. High 53°, low 40°.
0Belle Fourche, Sunday, 25 October
Overcast. High 47°, low 36°.
0Belle Fourche, Monday, 26 October
Overcast. High 49°, low 34°.
0
Belle Fourche, Tuesday, 27 October
Partly cloudy. High 56°, low 34°.
0.08Belle Fourche, Wednesday, 28 October
Light rain. High 44°, low 40°.
0.45Belle Fourche, Thursday, 29 October
Rain. High 53°, low 42°.
0Belle Fourche, Friday, 30 October
Overcast. High 51°, low 38°.
0.01Belle Fourche, Saturday, 31 October
Light rain. High 41°, low 36°.
0.06Belle Fourche, Sunday, 1 November
Climate normal for this date — 60-year average.
0.02Belle Fourche, Monday, 2 November
Climate normal for this date — 60-year average.
0.03Belle Fourche, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Belle Fourche, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03Belle Fourche, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Belle Fourche, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Belle Fourche, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Belle Fourche, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Belle Fourche, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Belle Fourche, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Belle Fourche, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Belle Fourche, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Belle Fourche, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Belle Fourche, Saturday, 14 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 Belle Fourche, SD 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 Belle Fourche, SD 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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