Weather in Belle Fourche, SD
Belle Fourche, Wednesday, 21 October, 23:59
Clear. Feels like 68°. High 72°, low 46°.
Monthly outlook for Belle Fourche, SD: average high 58.9°, average low 40.7°. That is 2.7° above the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 23 October (81.3°), the coolest 28 October (28.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 60° | 55.8° | +2.3° |
| 31 October – 9 November | 56.9° | 49.9° | +3.9° |
| 10 November – 19 November | at normal | 45.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Arpan (13 mi).
0
Belle Fourche, Thursday, 22 October
Mostly clear. High 80°, low 52°.
0
Belle Fourche, Friday, 23 October
Overcast. High 81°, low 55°.
0
Belle Fourche, Saturday, 24 October
Clear. High 52°, low 41°.
0.09
Belle Fourche, Sunday, 25 October
Light rain. High 42°, low 39°.
0.01Belle Fourche, Monday, 26 October
Light rain. High 43°, low 38°.
0.13
Belle Fourche, Tuesday, 27 October
Snow. High 44°, low 33°.
0Belle Fourche, Wednesday, 28 October
Mostly clear. High 48°, low 28°.
0Belle Fourche, Thursday, 29 October
Overcast. High 68°, low 35°.
0Belle Fourche, Friday, 30 October
Mostly clear. High 70°, low 48°.
0Belle Fourche, Saturday, 31 October
Overcast. High 54°, low 44°.
0Belle Fourche, Sunday, 1 November
Mostly clear. High 50°, low 35°.
0Belle Fourche, Monday, 2 November
Overcast. High 53°, low 33°.
0Belle Fourche, Tuesday, 3 November
Mostly clear. High 63°, low 38°.
0.01Belle Fourche, Wednesday, 4 November
Light rain. High 63°, low 49°.
0.01Belle Fourche, Thursday, 5 November
Light rain. High 58°, low 39°.
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.
0.04
Belle 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.
0.02Belle Fourche, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Belle Fourche, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Belle Fourche, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04Belle Fourche, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.03Belle Fourche, Thursday, 19 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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