Weather in Flat Rock, IL
Flat Rock, Monday, 12 October, 11:19
Clear. Feels like 83°. High 82°, low 57°.
0Flat Rock, Tuesday, 13 October
Clear. High 85°, low 65°.
0.19
Flat Rock, Wednesday, 14 October
Rain. High 83°, low 71°.
0.6Flat Rock, Thursday, 15 October
Rain. High 81°, low 68°.
0.09Flat Rock, Friday, 16 October
Light rain. High 71°, low 53°.
0Flat Rock, Saturday, 17 October
Clear. High 61°, low 43°.
0Flat Rock, Sunday, 18 October
Clear. High 67°, low 40°.
0
Flat Rock, Monday, 19 October
Overcast. High 71°, low 48°.
0.01Flat Rock, Tuesday, 20 October
Light rain. High 79°, low 58°.
0Flat Rock, Wednesday, 21 October
Clear. High 80°, low 60°.
0
Flat Rock, Thursday, 22 October
Partly cloudy. High 82°, low 59°.
0Flat Rock, Friday, 23 October
Overcast. High 81°, low 65°.
0Flat Rock, Saturday, 24 October
Overcast. High 80°, low 59°.
0.01Flat Rock, Sunday, 25 October
Light rain. High 72°, low 55°.
0Flat Rock, Monday, 26 October
Overcast. High 62°, low 47°.
0Flat Rock, Tuesday, 27 October
Clear. High 70°, low 44°.
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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