Weather in Grand Tower, IL
Grand Tower, Sunday, 1 November, 11:31
Overcast. Feels like 61°. High 64°, low 59°.
0.02
Grand Tower, Monday, 2 November
Light rain. High 74°, low 61°.
0.88Grand Tower, Tuesday, 3 November
Heavy rain. High 76°, low 65°.
0.19Grand Tower, Wednesday, 4 November
Heavy rain. High 67°, low 57°.
0
Grand Tower, Thursday, 5 November
Clear. High 67°, low 51°.
0Grand Tower, Friday, 6 November
Overcast. High 59°, low 50°.
0Grand Tower, Saturday, 7 November
Clear. High 66°, low 48°.
0
Grand Tower, Sunday, 8 November
Partly cloudy. High 64°, low 45°.
0Grand Tower, Monday, 9 November
Clear. High 69°, low 47°.
0Grand Tower, Tuesday, 10 November
Overcast. High 68°, low 51°.
0.02Grand Tower, Wednesday, 11 November
Light rain. High 71°, low 54°.
0Grand Tower, Thursday, 12 November
Partly cloudy. High 62°, low 48°.
0Grand Tower, Friday, 13 November
Clear. High 65°, low 44°.
0.04Grand Tower, Saturday, 14 November
Light rain. High 71°, low 49°.
0.03Grand Tower, Sunday, 15 November
Light rain. High 77°, low 59°.
0Grand Tower, Monday, 16 November
Overcast. High 79°, low 66°.
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 Grand Tower, IL 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 Grand Tower, IL 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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