10-day forecast for Flat Rock, IL: 41° to 76°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Thursday, October 29
60° · 0.57 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2976° / 50°0
Morning54°feels 53°
Afternoon76°feels 75°
Evening63°feels 62°
Overnight53°feels 52°
76 °
Flat Rock, Thursday, 29 October
Clear. High 76°, low 50°.
Pressure30.18 inHg
Wind9 mph SW
Humidity49%
Visibility6.2 mi
Dew point52°
Fri, 3074° / 52°0
Morning57°feels 57°
Afternoon74°feels 73°
Evening63°feels 62°
Overnight56°feels 56°
74 °
Flat Rock, Friday, 30 October
Overcast. High 74°, low 52°.
Pressure30.27 inHg
Wind7.2 mph E
Humidity56%
Visibility6.2 mi
Dew point54°
Sat, 3169° / 57°0
Morning57°feels 55°
Afternoon68°feels 67°
Evening60°feels 59°
Overnight59°feels 58°
69 °
Flat Rock, Saturday, 31 October
Overcast. High 69°, low 57°.
Pressure30.30 inHg
Wind4 mph E
Humidity53%
Visibility6.2 mi
Dew point47°
Sun, 0174° / 52°0
Morning56°feels 55°
Afternoon74°feels 73°
Evening64°feels 63°
Overnight54°feels 53°
74 °
Flat Rock, Sunday, 1 November
Light rain. High 74°, low 52°.
Pressure30.30 inHg
Wind5.6 mph SE
Humidity53%
Visibility6.2 mi
Dew point53°
Mon, 0268° / 53°0
Morning58°feels 57°
Afternoon67°feels 66°
Evening63°feels 63°
Overnight62°feels 61°
68 °
Flat Rock, Monday, 2 November
Overcast. High 68°, low 53°.
Pressure30.15 inHg
Wind13.6 mph SE
Humidity53%
Visibility—
Dew point48°
Tue, 0363° / 59°0.16
Morning61°feels 61°
Afternoon60°feels 60°
Evening59°feels 59°
Overnight60°feels 60°
63 °
Flat Rock, Tuesday, 3 November
Light rain. High 63°, low 59°.
Pressure29.94 inHg
Wind14.4 mph S
Humidity89%
Visibility—
Dew point57°
Wed, 0460° / 59°0.57
Morning59°feels 59°
Afternoon60°feels 60°
Evening60°feels 61°
Overnight60°feels 60°
60 °
Flat Rock, Wednesday, 4 November
Rain. High 60°, low 59°.
Pressure29.71 inHg
Wind11 mph E
Humidity96%
Visibility—
Dew point58°
Thu, 0565° / 56°0.34
Morning62°feels 62°
Afternoon64°feels 64°
Evening58°feels 57°
Overnight57°feels 56°
65 °
Flat Rock, Thursday, 5 November
Rain. High 65°, low 56°.
Pressure29.38 inHg
Wind16.1 mph NW
Humidity81%
Visibility—
Dew point58°
Fri, 0652° / 41°0
Morning44°feels 39°
Afternoon50°feels 47°
Evening45°feels 41°
Overnight42°feels 38°
52 °
Flat Rock, Friday, 6 November
Clear. High 52°, low 41°.
Pressure29.88 inHg
Wind15.6 mph NW
Humidity45%
Visibility—
Dew point29°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Flat Rock, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.