Weather in St. Lucas, IA
St. Lucas, Tuesday, 27 October, 01:31
Overcast. Feels like 50°. High 62°, low 50°.
Monthly outlook for St. Lucas, IA: average high 52.4°, average low 41.4°. That is 1.6° above the climate normal for October. Precipitation is expected on 8 days (about 3.6 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 28 October (69.8°), the coolest 7 November (26.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 58.7° | 51.1° | +4.2° |
| 6 November – 15 November | 41.8° | 45.3° | -1.9° |
| 16 November – 25 November | at normal | 41.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — West Union (10 mi).
0.29
St. Lucas, Wednesday, 28 October
Rain. High 70°, low 50°.
0.2St. Lucas, Thursday, 29 October
Heavy rain. High 63°, low 46°.
0.07St. Lucas, Friday, 30 October
Light rain. High 59°, low 43°.
0.35St. Lucas, Saturday, 31 October
Rain. High 58°, low 49°.
0St. Lucas, Sunday, 1 November
Overcast. High 60°, low 52°.
0.03St. Lucas, Monday, 2 November
Light rain. High 54°, low 50°.
1.15St. Lucas, Tuesday, 3 November
Heavy rain. High 58°, low 51°.
1.3St. Lucas, Wednesday, 4 November
Heavy rain. High 56°, low 45°.
0.15
St. Lucas, Thursday, 5 November
Snow. High 47°, low 31°.
0St. Lucas, Friday, 6 November
Overcast. High 35°, low 29°.
0
St. Lucas, Saturday, 7 November
Clear. High 39°, low 27°.
0St. Lucas, Sunday, 8 November
Overcast. High 42°, low 29°.
0St. Lucas, Monday, 9 November
Overcast. High 53°, low 45°.
0St. Lucas, Tuesday, 10 November
Overcast. High 46°, low 38°.
0
St. Lucas, Wednesday, 11 November
Mostly clear. High 38°, low 27°.
0.06
St. Lucas, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06St. Lucas, Friday, 13 November
Climate normal for this date — 60-year average.
0.02St. Lucas, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06St. Lucas, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06St. Lucas, Monday, 16 November
Climate normal for this date — 60-year average.
0.09St. Lucas, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08St. Lucas, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.07St. Lucas, Thursday, 19 November
Climate normal for this date — 60-year average.
0.09St. Lucas, Friday, 20 November
Climate normal for this date — 60-year average.
0.06St. Lucas, Saturday, 21 November
Climate normal for this date — 60-year average.
0.02St. Lucas, Sunday, 22 November
Climate normal for this date — 60-year average.
0.1St. Lucas, Monday, 23 November
Climate normal for this date — 60-year average.
0.05St. Lucas, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.05St. Lucas, Wednesday, 25 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 St. Lucas, 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 St. Lucas, 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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