Weather in St. Lucas, IA
St. Lucas, Tuesday, 27 October, 15:03
Overcast. Feels like 60°. High 61°, low 49°.
Monthly outlook for St. Lucas, IA: average high 55.7°, average low 44.7°. That is 3.5° above the climate normal for October. Precipitation is expected on 5 days (about 0.8 inches), against a normal of 4 days and 1.3 inches. The warmest day looks like 28 October (69.7°), the coolest 11 November (29.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 58.6° | 51.1° | +4.2° |
| 6 November – 15 November | 50.9° | 45.3° | +3.1° |
| 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).
0.02
St. Lucas, Wednesday, 28 October
Light rain. High 70°, low 52°.
0.06St. Lucas, Thursday, 29 October
Light rain. High 61°, low 46°.
0.02St. Lucas, Friday, 30 October
Light rain. High 60°, low 42°.
0.01St. Lucas, Saturday, 31 October
Light rain. High 63°, low 52°.
0St. Lucas, Sunday, 1 November
Overcast. High 65°, low 54°.
0.08St. Lucas, Monday, 2 November
Light rain. High 54°, low 52°.
0.03St. Lucas, Tuesday, 3 November
Light rain. High 52°, low 50°.
0.02St. Lucas, Wednesday, 4 November
Light rain. High 52°, low 45°.
0.41St. Lucas, Thursday, 5 November
Light rain. High 47°, low 44°.
0St. Lucas, Friday, 6 November
Overcast. High 53°, low 42°.
0
St. Lucas, Saturday, 7 November
Clear. High 53°, low 39°.
0St. Lucas, Sunday, 8 November
Overcast. High 55°, low 41°.
0.11St. Lucas, Monday, 9 November
Light rain. High 57°, low 44°.
0St. Lucas, Tuesday, 10 November
Overcast. High 44°, low 34°.
0St. Lucas, Wednesday, 11 November
Overcast. High 43°, low 30°.
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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