Weather in Rousseau, SD
Rousseau, Sunday, 18 October, 15:31
Clear. Feels like 72°. High 74°, low 44°.
Monthly outlook for Rousseau, SD: average high 63.5°, average low 46.4°. That is 4.3° above the climate normal for October. Precipitation is expected on 2 days (about 1.2 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 23 October (76.4°), the coolest 2 November (28.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 66.7° | 57.9° | +4.9° |
| 28 October – 6 November | 58.1° | 51.4° | +3.7° |
| 7 November – 16 November | at normal | 45.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Canning (6 mi).
0Rousseau, Monday, 19 October
Clear. High 67°, low 41°.
0Rousseau, Tuesday, 20 October
Clear. High 71°, low 46°.
0
Rousseau, Wednesday, 21 October
Partly cloudy. High 69°, low 49°.
0
Rousseau, Thursday, 22 October
Overcast. High 74°, low 54°.
0.01
Rousseau, Friday, 23 October
Light rain. High 76°, low 61°.
0
Rousseau, Saturday, 24 October
Mostly clear. High 61°, low 49°.
0Rousseau, Sunday, 25 October
Clear. High 61°, low 41°.
0.05Rousseau, Monday, 26 October
Light rain. High 55°, low 50°.
0.02Rousseau, Tuesday, 27 October
Light rain. High 58°, low 50°.
0Rousseau, Wednesday, 28 October
Overcast. High 70°, low 55°.
0Rousseau, Thursday, 29 October
Overcast. High 64°, low 51°.
0Rousseau, Friday, 30 October
Clear. High 60°, low 42°.
0.02Rousseau, Saturday, 31 October
Light rain. High 67°, low 47°.
1.14
Rousseau, Sunday, 1 November
Snow. High 49°, low 34°.
0Rousseau, Monday, 2 November
Clear. High 39°, low 29°.
0.02Rousseau, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Rousseau, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Rousseau, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Rousseau, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Rousseau, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Rousseau, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Rousseau, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Rousseau, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Rousseau, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.05Rousseau, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Rousseau, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Rousseau, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Rousseau, Sunday, 15 November
Climate normal for this date — 60-year average.
0.03Rousseau, Monday, 16 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 Rousseau, 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 Rousseau, 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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