Weather in Sioux City, IA
Sioux City, Wednesday, 4 November, 04:05
Overcast. Feels like 37°. High 46°, low 44°.
Monthly outlook for Sioux City, IA: average high 57.3°, average low 40.7°. That is 4.9° above the climate normal for November. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 3 days and 0.9 inches. The warmest day looks like 18 November (65.9°), the coolest 6 November (33.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 4 November – 13 November | 56.7° | 49.4° | +4° |
| 14 November – 23 November | 58.3° | 45.4° | +7.2° |
| 24 November – 3 December | at normal | 38.4° | — |
November records over 66 years
0.01
Sioux City, Thursday, 5 November
Light rain. High 50°, low 39°.
0
Sioux City, Friday, 6 November
Partly cloudy. High 48°, low 33°.
0
Sioux City, Saturday, 7 November
Clear. High 59°, low 36°.
0Sioux City, Sunday, 8 November
Clear. High 59°, low 42°.
0Sioux City, Monday, 9 November
Clear. High 65°, low 43°.
0Sioux City, Tuesday, 10 November
Overcast. High 59°, low 45°.
0Sioux City, Wednesday, 11 November
Clear. High 56°, low 41°.
0
Sioux City, Thursday, 12 November
Mostly clear. High 59°, low 38°.
0Sioux City, Friday, 13 November
Clear. High 65°, low 43°.
0Sioux City, Saturday, 14 November
Clear. High 61°, low 45°.
0Sioux City, Sunday, 15 November
Clear. High 55°, low 41°.
0Sioux City, Monday, 16 November
Mostly clear. High 53°, low 38°.
0Sioux City, Tuesday, 17 November
Clear. High 59°, low 39°.
0Sioux City, Wednesday, 18 November
Clear. High 66°, low 44°.
0Sioux City, Thursday, 19 November
Clear. High 55°, low 39°.
0.07Sioux City, Friday, 20 November
Climate normal for this date — 60-year average.
0.04Sioux City, Saturday, 21 November
Climate normal for this date — 60-year average.
0.04Sioux City, Sunday, 22 November
Climate normal for this date — 60-year average.
0.04Sioux City, Monday, 23 November
Climate normal for this date — 60-year average.
0.06Sioux City, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.02Sioux City, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.05Sioux City, Thursday, 26 November
Climate normal for this date — 60-year average.
0.09Sioux City, Friday, 27 November
Climate normal for this date — 60-year average.
0.07Sioux City, Saturday, 28 November
Climate normal for this date — 60-year average.
0.06Sioux City, Sunday, 29 November
Climate normal for this date — 60-year average.
0.06Sioux City, Monday, 30 November
Climate normal for this date — 60-year average.
0.06Sioux City, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.02Sioux City, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.03Sioux City, Thursday, 3 December
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 City, IA 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 City, IA 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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