Weather in Sioux, WI
Sioux, Friday, 9 October, 18:03
Mostly clear. Feels like 55°. High 64°, low 40°.
Monthly outlook for Sioux, WI: average high 57.8°, average low 43.4°. That is 2.7° above the climate normal for October. Precipitation is expected on 4 days (about 1.6 inches), against a normal of 7 days and 1.8 inches. The warmest day looks like 10 October (80.6°), the coolest 18 October (30.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 58.2° | 54.1° | +2.3° |
| 19 October – 28 October | 57.2° | 50.2° | +3.9° |
| 29 October – 7 November | at normal | 45.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Washburn (4 mi).
0
Sioux, Saturday, 10 October
Clear. High 81°, low 48°.
0Sioux, Sunday, 11 October
Clear. High 78°, low 56°.
0.15
Sioux, Monday, 12 October
Light rain. High 63°, low 51°.
0.11Sioux, Tuesday, 13 October
Light rain. High 52°, low 49°.
0
Sioux, Wednesday, 14 October
Overcast. High 52°, low 47°.
0.8Sioux, Thursday, 15 October
Rain. High 54°, low 45°.
0.45Sioux, Friday, 16 October
Rain. High 51°, low 39°.
0.03
Sioux, Saturday, 17 October
Snow. High 39°, low 34°.
0Sioux, Sunday, 18 October
Overcast. High 48°, low 31°.
0Sioux, Monday, 19 October
Overcast. High 54°, low 35°.
0Sioux, Tuesday, 20 October
Overcast. High 58°, low 42°.
0Sioux, Wednesday, 21 October
Clear. High 63°, low 48°.
0Sioux, Thursday, 22 October
Clear. High 56°, low 42°.
0Sioux, Friday, 23 October
Mostly clear. High 54°, low 41°.
0.02Sioux, Saturday, 24 October
Light rain. High 58°, low 47°.
0.08
Sioux, Sunday, 25 October
Climate normal for this date — 60-year average.
0.09
Sioux, Monday, 26 October
Climate normal for this date — 60-year average.
0.14Sioux, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.07Sioux, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.11Sioux, Thursday, 29 October
Climate normal for this date — 60-year average.
0.09Sioux, Friday, 30 October
Climate normal for this date — 60-year average.
0.09Sioux, Saturday, 31 October
Climate normal for this date — 60-year average.
0.12Sioux, Sunday, 1 November
Climate normal for this date — 60-year average.
0.1Sioux, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Sioux, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Sioux, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.07Sioux, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Sioux, Friday, 6 November
Climate normal for this date — 60-year average.
0.05Sioux, Saturday, 7 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 Sioux, WI 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 Sioux, WI 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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