Weather in Big Bend, SD
Big Bend, Tuesday, 20 October, 11:49
Clear. Feels like 66°. High 68°, low 43°.
Monthly outlook for Big Bend, SD: average high 57.4°, average low 37.5°. That is 2.4° above the climate normal for October. Precipitation is expected on 4 days (about 0.5 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 23 October (75.9°), the coolest 27 October (15.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 55.6° | 55.1° | +0.3° |
| 30 October – 8 November | 60.4° | 49.3° | +6.1° |
| 9 November – 18 November | at normal | 45.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Blackhawk (7 mi).
0
Big Bend, Wednesday, 21 October
Mostly clear. High 65°, low 44°.
0Big Bend, Thursday, 22 October
Clear. High 75°, low 52°.
0
Big Bend, Friday, 23 October
Overcast. High 76°, low 55°.
0Big Bend, Saturday, 24 October
Clear. High 48°, low 38°.
0.28
Big Bend, Sunday, 25 October
Snow. High 40°, low 30°.
0.08Big Bend, Monday, 26 October
Light snow. High 36°, low 25°.
0Big Bend, Tuesday, 27 October
Clear. High 48°, low 16°.
0Big Bend, Wednesday, 28 October
Clear. High 53°, low 33°.
0Big Bend, Thursday, 29 October
Clear. High 47°, low 29°.
0Big Bend, Friday, 30 October
Mostly clear. High 55°, low 30°.
0Big Bend, Saturday, 31 October
Clear. High 60°, low 37°.
0Big Bend, Sunday, 1 November
Mostly clear. High 63°, low 34°.
0Big Bend, Monday, 2 November
Overcast. High 67°, low 48°.
0.09
Big Bend, Tuesday, 3 November
Light rain. High 61°, low 45°.
0.06Big Bend, Wednesday, 4 November
Light rain. High 57°, low 41°.
0.03Big Bend, Thursday, 5 November
Climate normal for this date — 60-year average.
0.05Big Bend, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Big Bend, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Big Bend, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07
Big Bend, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Big Bend, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Big Bend, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Big Bend, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Big Bend, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Big Bend, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Big Bend, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Big Bend, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Big Bend, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04Big Bend, Wednesday, 18 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 Big Bend, 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 Big Bend, 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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