Grand Pass, Friday, 30 October, 03:59
Partly cloudy. Feels like 59°. High 77°, low 59°.
Grand Pass, Saturday, 31 October
Overcast. High 72°, low 59°.
Grand Pass, Sunday, 1 November
Rain. High 66°, low 60°.
Grand Pass, Monday, 2 November
Overcast. High 69°, low 60°.
Grand Pass, Tuesday, 3 November
Rain. High 69°, low 63°.
Grand Pass, Wednesday, 4 November
Rain. High 63°, low 57°.
Grand Pass, Thursday, 5 November
Light rain. High 62°, low 53°.
Grand Pass, Friday, 6 November
Overcast. High 63°, low 49°.
Grand Pass, Saturday, 7 November
Overcast. High 67°, low 48°.
Grand Pass, Sunday, 8 November
Light rain. High 65°, low 52°.
Grand Pass, Monday, 9 November
Clear. High 67°, low 47°.
Grand Pass, Tuesday, 10 November
Overcast. High 65°, low 49°.
Grand Pass, Wednesday, 11 November
Rain. High 60°, low 56°.
Grand Pass, Thursday, 12 November
Clear. High 69°, low 49°.
Grand Pass, Friday, 13 November
Rain. High 66°, low 49°.
Grand Pass, Saturday, 14 November
Rain. High 65°, low 55°.
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 Grand Pass, 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 Grand Pass, 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.