Weather in Johnson Siding, SD
Johnson Siding, Wednesday, 21 October, 22:21
Overcast. Feels like 52°. High 64°, low 38°.
Monthly outlook for Johnson Siding, SD: average high 53.1°, average low 33.6°. That is 0.4° above the climate normal for October. Precipitation is expected on 2 days (about 0.3 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 23 October (74.5°), the coolest 28 October (16.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 54° | 54.2° | -0.1° |
| 31 October – 9 November | 51.6° | 48.7° | +1.6° |
| 10 November – 19 November | at normal | 44.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Blackhawk (7 mi).
0
Johnson Siding, Thursday, 22 October
Mostly clear. High 73°, low 47°.
0
Johnson Siding, Friday, 23 October
Partly cloudy. High 74°, low 52°.
0
Johnson Siding, Saturday, 24 October
Clear. High 51°, low 33°.
0.19
Johnson Siding, Sunday, 25 October
Snow. High 35°, low 29°.
0Johnson Siding, Monday, 26 October
Overcast. High 36°, low 28°.
0.07Johnson Siding, Tuesday, 27 October
Light snow. High 38°, low 23°.
0Johnson Siding, Wednesday, 28 October
Clear. High 44°, low 16°.
0Johnson Siding, Thursday, 29 October
Overcast. High 62°, low 32°.
0Johnson Siding, Friday, 30 October
Overcast. High 63°, low 43°.
0Johnson Siding, Saturday, 31 October
Overcast. High 51°, low 36°.
0Johnson Siding, Sunday, 1 November
Clear. High 43°, low 27°.
0Johnson Siding, Monday, 2 November
Overcast. High 49°, low 27°.
0Johnson Siding, Tuesday, 3 November
Mostly clear. High 59°, low 34°.
0Johnson Siding, Wednesday, 4 November
Overcast. High 55°, low 39°.
0Johnson Siding, Thursday, 5 November
Overcast. High 52°, low 32°.
0.05Johnson Siding, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Johnson Siding, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Johnson Siding, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Johnson Siding, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Johnson Siding, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Johnson Siding, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Johnson Siding, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Johnson Siding, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Johnson Siding, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Johnson Siding, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Johnson Siding, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Johnson Siding, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.04Johnson Siding, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.04Johnson Siding, 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 Johnson Siding, 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 Johnson Siding, 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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