Weather in Shelby, SD
Shelby, Tuesday, 20 October, 02:42
Clear. Feels like 41°. High 71°, low 45°.
Monthly outlook for Shelby, SD: average high 62.2°, average low 44.5°. That is 4° above the climate normal for October. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 22 October (75.1°), the coolest 28 October (25.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 60.4° | 57.1° | +1.9° |
| 30 October – 8 November | 65.1° | 50.8° | +8° |
| 9 November – 18 November | at normal | 44.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Fort Thompson (13 mi).
0
Shelby, Wednesday, 21 October
Clear. High 69°, low 46°.
0
Shelby, Thursday, 22 October
Mostly clear. High 75°, low 53°.
0
Shelby, Friday, 23 October
Overcast. High 75°, low 60°.
0.26
Shelby, Saturday, 24 October
Rain. High 66°, low 53°.
0.17Shelby, Sunday, 25 October
Light rain. High 52°, low 44°.
0.01Shelby, Monday, 26 October
Light rain. High 44°, low 39°.
0Shelby, Tuesday, 27 October
Clear. High 43°, low 30°.
0Shelby, Wednesday, 28 October
Clear. High 52°, low 26°.
0Shelby, Thursday, 29 October
Clear. High 58°, low 36°.
0Shelby, Friday, 30 October
Clear. High 64°, low 40°.
0
Shelby, Saturday, 31 October
Partly cloudy. High 67°, low 44°.
0.02Shelby, Sunday, 1 November
Light rain. High 64°, low 52°.
0Shelby, Monday, 2 November
Clear. High 66°, low 48°.
0Shelby, Tuesday, 3 November
Mostly clear. High 65°, low 47°.
0Shelby, Wednesday, 4 November
Overcast. High 64°, low 49°.
0.03Shelby, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Shelby, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Shelby, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Shelby, Sunday, 8 November
Climate normal for this date — 60-year average.
0.05Shelby, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Shelby, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Shelby, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.05Shelby, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Shelby, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Shelby, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Shelby, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Shelby, Monday, 16 November
Climate normal for this date — 60-year average.
0.03Shelby, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.03Shelby, 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 Shelby, 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 Shelby, 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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