Weather in Sergeant Bluff, IA
Sergeant Bluff, Thursday, 8 October, 01:28
Overcast. Feels like 51°. High 81°, low 51°.
Monthly outlook for Sergeant Bluff, IA: average high 66.5°, average low 49.3°. That is 2.4° above the climate normal for October. Precipitation is expected on 4 days (about 0.7 inches), against a normal of 3 days and 1.3 inches. The warmest day looks like 10 October (82.4°), the coolest 18 October (36.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 October – 17 October | 70.3° | 63.3° | +3.9° |
| 18 October – 27 October | 60.2° | 59.2° | +0.5° |
| 28 October – 6 November | at normal | 53.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Sioux City (7 mi).
0.04
Sergeant Bluff, Friday, 9 October
Light rain. High 80°, low 58°.
0
Sergeant Bluff, Saturday, 10 October
Clear. High 82°, low 66°.
0Sergeant Bluff, Sunday, 11 October
Overcast. High 81°, low 66°.
0
Sergeant Bluff, Monday, 12 October
Mostly clear. High 67°, low 54°.
0Sergeant Bluff, Tuesday, 13 October
Overcast. High 59°, low 47°.
0.33Sergeant Bluff, Wednesday, 14 October
Light rain. High 80°, low 49°.
0.17Sergeant Bluff, Thursday, 15 October
Light rain. High 74°, low 59°.
0.15Sergeant Bluff, Friday, 16 October
Light rain. High 52°, low 39°.
0.01Sergeant Bluff, Saturday, 17 October
Light rain. High 46°, low 39°.
0Sergeant Bluff, Sunday, 18 October
Clear. High 59°, low 37°.
0Sergeant Bluff, Monday, 19 October
Clear. High 71°, low 45°.
0Sergeant Bluff, Tuesday, 20 October
Overcast. High 57°, low 44°.
0Sergeant Bluff, Wednesday, 21 October
Clear. High 62°, low 39°.
0Sergeant Bluff, Thursday, 22 October
Overcast. High 60°, low 52°.
0Sergeant Bluff, Friday, 23 October
Mostly clear. High 52°, low 44°.
0.05
Sergeant Bluff, Saturday, 24 October
Climate normal for this date — 60-year average.
0.05Sergeant Bluff, Sunday, 25 October
Climate normal for this date — 60-year average.
0.04Sergeant Bluff, Monday, 26 October
Climate normal for this date — 60-year average.
0.08Sergeant Bluff, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.04Sergeant Bluff, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.06Sergeant Bluff, Thursday, 29 October
Climate normal for this date — 60-year average.
0.11Sergeant Bluff, Friday, 30 October
Climate normal for this date — 60-year average.
0.08Sergeant Bluff, Saturday, 31 October
Climate normal for this date — 60-year average.
0.08Sergeant Bluff, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Sergeant Bluff, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Sergeant Bluff, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Sergeant Bluff, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.05Sergeant Bluff, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Sergeant Bluff, Friday, 6 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 Sergeant Bluff, 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 Sergeant Bluff, 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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