Rock Falls, Saturday, 8 August, 19:11
Clear. Feels like 81°. High 80°, low 57°.
Rock Falls, Sunday, 9 August
Rain. High 86°, low 64°.
Rock Falls, Monday, 10 August
Overcast. High 92°, low 68°.
Rock Falls, Tuesday, 11 August
Rain. High 91°, low 64°.
Rock Falls, Wednesday, 12 August
Clear. High 87°, low 62°.
Rock Falls, Thursday, 13 August
Clear. High 79°, low 55°.
Rock Falls, Friday, 14 August
Clear. High 81°, low 50°.
Rock Falls, Saturday, 15 August
Overcast. High 83°, low 57°.
Rock Falls, Sunday, 16 August
Overcast. High 88°, low 64°.
Rock Falls, Monday, 17 August
Rain. High 89°, low 67°.
Rock Falls, Tuesday, 18 August
Heavy rain. High 89°, low 62°.
Rock Falls, Wednesday, 19 August
Light rain. High 70°, low 65°.
Rock Falls, Thursday, 20 August
Mostly clear. High 82°, low 60°.
Rock Falls, Friday, 21 August
Light rain. High 80°, low 58°.
Rock Falls, Saturday, 22 August
Rain. High 70°, low 53°.
Rock Falls, Sunday, 23 August
Overcast. High 68°, low 43°.
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, WI 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, WI 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.