Weather in Johnson Siding, SD
Johnson Siding, Tuesday, 20 October, 04:14
Clear. Feels like 41°. High 66°, low 45°.
Monthly outlook for Johnson Siding, SD: average high 54.9°, average low 34.7°. That is 1° above the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 23 October (72.2°), the coolest 27 October (17.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 54.9° | 55.1° | -0.1° |
| 30 October – 8 November | 54.8° | 49.3° | +3° |
| 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
Johnson Siding, Wednesday, 21 October
Partly cloudy. High 61°, low 40°.
0
Johnson Siding, Thursday, 22 October
Clear. High 72°, low 49°.
0
Johnson Siding, Friday, 23 October
Overcast. High 72°, low 54°.
0
Johnson Siding, Saturday, 24 October
Mostly clear. High 54°, low 34°.
0Johnson Siding, Sunday, 25 October
Clear. High 52°, low 31°.
0Johnson Siding, Monday, 26 October
Clear. High 40°, low 24°.
0Johnson Siding, Tuesday, 27 October
Clear. High 38°, low 17°.
0Johnson Siding, Wednesday, 28 October
Clear. High 48°, low 21°.
0Johnson Siding, Thursday, 29 October
Overcast. High 45°, low 29°.
0Johnson Siding, Friday, 30 October
Overcast. High 48°, low 26°.
0Johnson Siding, Saturday, 31 October
Overcast. High 43°, low 30°.
0
Johnson Siding, Sunday, 1 November
Light rain. High 56°, low 31°.
0Johnson Siding, Monday, 2 November
Overcast. High 56°, low 41°.
0Johnson Siding, Tuesday, 3 November
Overcast. High 59°, low 36°.
0Johnson Siding, Wednesday, 4 November
Overcast. High 67°, low 45°.
0.03Johnson Siding, Thursday, 5 November
Climate normal for this date — 60-year average.
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.
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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