Rock Falls, Tuesday, 27 October, 00:54
Overcast. Feels like 52°. High 63°, low 52°.
Rock Falls, Wednesday, 28 October
Rain. High 70°, low 51°.
Rock Falls, Thursday, 29 October
Light rain. High 63°, low 47°.
Rock Falls, Friday, 30 October
Overcast. High 60°, low 43°.
Rock Falls, Saturday, 31 October
Light rain. High 60°, low 50°.
Rock Falls, Sunday, 1 November
Light rain. High 59°, low 52°.
Rock Falls, Monday, 2 November
Light rain. High 55°, low 47°.
Rock Falls, Tuesday, 3 November
Rain. High 60°, low 50°.
Rock Falls, Wednesday, 4 November
Heavy rain. High 54°, low 46°.
Rock Falls, Thursday, 5 November
Snow. High 37°, low 31°.
Rock Falls, Friday, 6 November
Overcast. High 36°, low 28°.
Rock Falls, Saturday, 7 November
Clear. High 39°, low 28°.
Rock Falls, Sunday, 8 November
Overcast. High 42°, low 30°.
Rock Falls, Monday, 9 November
Overcast. High 54°, low 45°.
Rock Falls, Tuesday, 10 November
Overcast. High 46°, low 38°.
Rock Falls, Wednesday, 11 November
Mostly clear. High 38°, low 30°.
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 Rock 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.
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.
They are real temperature extremes recorded in Rock Falls, IA since 1960: the highest and lowest reading for each calendar date, with the year it happened.
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.