Weather in Belle Fourche, SD
Belle Fourche, Saturday, 17 October, 02:37
Clear. Feels like 60°. High 80°, low 49°.
Monthly outlook for Belle Fourche, SD: average high 61.4°, average low 41.6°. That is 2.9° above the climate normal for October. Precipitation is expected on 5 days (about 0.6 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 17 October (79.8°), the coolest 25 October (32°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 64.7° | 58.3° | +3.6° |
| 27 October – 5 November | 56° | 51.9° | +2.2° |
| 6 November – 15 November | at normal | 46.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Arpan (13 mi).
0
Belle Fourche, Sunday, 18 October
Clear. High 69°, low 47°.
0Belle Fourche, Monday, 19 October
Clear. High 63°, low 44°.
0Belle Fourche, Tuesday, 20 October
Clear. High 72°, low 42°.
0Belle Fourche, Wednesday, 21 October
Clear. High 66°, low 48°.
0
Belle Fourche, Thursday, 22 October
Partly cloudy. High 76°, low 50°.
0.11
Belle Fourche, Friday, 23 October
Light rain. High 74°, low 50°.
0.06
Belle Fourche, Saturday, 24 October
Light snow. High 45°, low 34°.
0.04Belle Fourche, Sunday, 25 October
Light snow. High 45°, low 32°.
0
Belle Fourche, Monday, 26 October
Overcast. High 57°, low 34°.
0Belle Fourche, Tuesday, 27 October
Overcast. High 65°, low 42°.
0.26Belle Fourche, Wednesday, 28 October
Rain. High 52°, low 42°.
0
Belle Fourche, Thursday, 29 October
Mostly clear. High 69°, low 40°.
0.09Belle Fourche, Friday, 30 October
Light rain. High 51°, low 40°.
0.01Belle Fourche, Saturday, 31 October
Light rain. High 46°, low 38°.
0Belle Fourche, Sunday, 1 November
Clear. High 54°, low 33°.
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.
0.02Belle Fourche, Sunday, 15 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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