Weather in Cou Falls, IA
Cou Falls, Monday, 19 October, 12:18
Overcast. Feels like 63°. High 66°, low 40°.
Monthly outlook for Cou Falls, IA: average high 58.1°, average low 41.1°. That is 0.4° above the climate normal for October. Precipitation is expected on 3 days (about 1.0 inches), against a normal of 5 days and 1.6 inches. The warmest day looks like 22 October (69.6°), the coolest 28 October (29°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 62.6° | 58.7° | +2.2° |
| 29 October – 7 November | 50.6° | 54.2° | -2° |
| 8 November – 17 November | at normal | 48.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Tiffin (8 mi).
0
Cou Falls, Tuesday, 20 October
Clear. High 68°, low 42°.
0Cou Falls, Wednesday, 21 October
Clear. High 69°, low 47°.
0Cou Falls, Thursday, 22 October
Clear. High 70°, low 48°.
0
Cou Falls, Friday, 23 October
Mostly clear. High 67°, low 51°.
0Cou Falls, Saturday, 24 October
Overcast. High 68°, low 51°.
0.01
Cou Falls, Sunday, 25 October
Light rain. High 65°, low 53°.
0.45Cou Falls, Monday, 26 October
Rain. High 56°, low 48°.
0.36Cou Falls, Tuesday, 27 October
Rain. High 56°, low 37°.
0Cou Falls, Wednesday, 28 October
Clear. High 42°, low 29°.
0Cou Falls, Thursday, 29 October
Clear. High 51°, low 30°.
0Cou Falls, Friday, 30 October
Overcast. High 54°, low 37°.
0.03Cou Falls, Saturday, 31 October
Light rain. High 54°, low 38°.
0.13Cou Falls, Sunday, 1 November
Rain. High 51°, low 38°.
0Cou Falls, Monday, 2 November
Clear. High 47°, low 34°.
0Cou Falls, Tuesday, 3 November
Overcast. High 47°, low 33°.
0.1
Cou Falls, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.08Cou Falls, Thursday, 5 November
Climate normal for this date — 60-year average.
0.06Cou Falls, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Cou Falls, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Cou Falls, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1
Cou Falls, Monday, 9 November
Climate normal for this date — 60-year average.
0.09Cou Falls, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Cou Falls, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Cou Falls, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Cou Falls, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Cou Falls, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Cou Falls, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Cou Falls, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Cou Falls, Tuesday, 17 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 Cou Falls, 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 Cou Falls, 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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