Prophetstown, Saturday, 10 October, 11:26
Clear. Feels like 79°. High 79°, low 59°.
Prophetstown, Sunday, 11 October
Clear. High 77°, low 54°.
Prophetstown, Monday, 12 October
Clear. High 83°, low 61°.
Prophetstown, Tuesday, 13 October
Clear. High 76°, low 63°.
Prophetstown, Wednesday, 14 October
Rain. High 69°, low 58°.
Prophetstown, Thursday, 15 October
Light rain. High 62°, low 54°.
Prophetstown, Friday, 16 October
Light rain. High 58°, low 38°.
Prophetstown, Saturday, 17 October
Overcast. High 41°, low 33°.
Prophetstown, Sunday, 18 October
Clear. High 47°, low 27°.
Prophetstown, Monday, 19 October
Overcast. High 58°, low 38°.
Prophetstown, Tuesday, 20 October
Overcast. High 62°, low 43°.
Prophetstown, Wednesday, 21 October
Rain. High 55°, low 49°.
Prophetstown, Thursday, 22 October
Clear. High 66°, low 43°.
Prophetstown, Friday, 23 October
Clear. High 57°, low 41°.
Prophetstown, Saturday, 24 October
Overcast. High 56°, low 44°.
Prophetstown, Sunday, 25 October
Light rain. High 56°, low 37°.
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 Prophetstown, IL 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 Prophetstown, IL 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.