Weather in Flat Rock, IL
Flat Rock, Tuesday, 13 October, 01:52
Clear. Feels like 70°. High 89°, low 67°.
0.27
Flat Rock, Wednesday, 14 October
Rain. High 78°, low 70°.
0.32Flat Rock, Thursday, 15 October
Rain. High 81°, low 70°.
0.22Flat Rock, Friday, 16 October
Rain. High 70°, low 52°.
0
Flat Rock, Saturday, 17 October
Clear. High 60°, low 43°.
0Flat Rock, Sunday, 18 October
Clear. High 67°, low 43°.
0
Flat Rock, Monday, 19 October
Overcast. High 72°, low 49°.
0.11Flat Rock, Tuesday, 20 October
Light rain. High 66°, low 58°.
0Flat Rock, Wednesday, 21 October
Overcast. High 74°, low 56°.
0Flat Rock, Thursday, 22 October
Overcast. High 80°, low 59°.
0.06Flat Rock, Friday, 23 October
Light rain. High 69°, low 57°.
0Flat Rock, Saturday, 24 October
Overcast. High 65°, low 48°.
0Flat Rock, Sunday, 25 October
Overcast. High 61°, low 46°.
0Flat Rock, Monday, 26 October
Overcast. High 58°, low 41°.
0.01Flat Rock, Tuesday, 27 October
Light rain. High 66°, low 42°.
0Flat Rock, Wednesday, 28 October
Clear. High 59°, low 45°.
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 Flat Rock, 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 Flat Rock, 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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