Weather in Belle Fourche, SD
Belle Fourche, Monday, 19 October, 14:44
Clear. Feels like 71°. High 73°, low 43°.
Monthly outlook for Belle Fourche, SD: average high 63.6°, average low 42.8°. That is 4.7° above the climate normal for October. Precipitation is expected on 1 day (about 0.0 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 22 October (78°), the coolest 28 October (27.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 62.6° | 57.5° | +2.8° |
| 29 October – 7 November | 65.3° | 51° | +7.9° |
| 8 November – 17 November | at normal | 46° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Arpan (13 mi).
0Belle Fourche, Tuesday, 20 October
Clear. High 71°, low 45°.
0Belle Fourche, Wednesday, 21 October
Clear. High 68°, low 43°.
0
Belle Fourche, Thursday, 22 October
Overcast. High 78°, low 49°.
0Belle Fourche, Friday, 23 October
Clear. High 77°, low 58°.
0Belle Fourche, Saturday, 24 October
Overcast. High 57°, low 47°.
0
Belle Fourche, Sunday, 25 October
Partly cloudy. High 53°, low 40°.
0Belle Fourche, Monday, 26 October
Clear. High 57°, low 33°.
0Belle Fourche, Tuesday, 27 October
Overcast. High 39°, low 29°.
0
Belle Fourche, Wednesday, 28 October
Mostly clear. High 52°, low 27°.
0Belle Fourche, Thursday, 29 October
Overcast. High 69°, low 36°.
0Belle Fourche, Friday, 30 October
Overcast. High 71°, low 46°.
0Belle Fourche, Saturday, 31 October
Overcast. High 65°, low 52°.
0Belle Fourche, Sunday, 1 November
Overcast. High 60°, low 44°.
0Belle Fourche, Monday, 2 November
Clear. High 65°, low 43°.
0.04
Belle Fourche, Tuesday, 3 November
Light rain. High 62°, low 50°.
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.
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.
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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