Weather in Big Rock, IA
Big Rock, Saturday, 17 October, 16:48
Clear. Feels like 53°. High 57°, low 34°.
Monthly outlook for Big Rock, IA: average high 65.2°, average low 47.5°. That is 3.9° above the climate normal for October. Precipitation is expected on 4 days (about 1.5 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 25 October (72.7°), the coolest 17 October (33.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 66.2° | 59.4° | +3.8° |
| 27 October – 5 November | 63.4° | 54.9° | +4.7° |
| 6 November – 15 November | at normal | 49.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Plainview (7 mi).
0Big Rock, Sunday, 18 October
Clear. High 62°, low 38°.
0
Big Rock, Monday, 19 October
Partly cloudy. High 65°, low 42°.
0Big Rock, Tuesday, 20 October
Clear. High 66°, low 42°.
0Big Rock, Wednesday, 21 October
Clear. High 68°, low 45°.
0
Big Rock, Thursday, 22 October
Mostly clear. High 68°, low 47°.
0
Big Rock, Friday, 23 October
Overcast. High 71°, low 50°.
0Big Rock, Saturday, 24 October
Overcast. High 72°, low 58°.
0.01
Big Rock, Sunday, 25 October
Light rain. High 73°, low 58°.
0.49Big Rock, Monday, 26 October
Rain. High 61°, low 54°.
0Big Rock, Tuesday, 27 October
Mostly clear. High 56°, low 45°.
0.02Big Rock, Wednesday, 28 October
Light rain. High 58°, low 39°.
0.32Big Rock, Thursday, 29 October
Rain. High 64°, low 49°.
0.2Big Rock, Friday, 30 October
Light rain. High 67°, low 60°.
0.41Big Rock, Saturday, 31 October
Rain. High 65°, low 53°.
0Big Rock, Sunday, 1 November
Light rain. High 71°, low 48°.
0.1
Big Rock, Monday, 2 November
Climate normal for this date — 60-year average.
0.06Big Rock, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Big Rock, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.1Big Rock, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Big Rock, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Big Rock, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Big Rock, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Big Rock, Monday, 9 November
Climate normal for this date — 60-year average.
0.09Big Rock, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Big Rock, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Big Rock, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Big Rock, Friday, 13 November
Climate normal for this date — 60-year average.
0.05Big Rock, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Big Rock, Sunday, 15 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 Big Rock, 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 Big Rock, 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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