10-day forecast for Isabel, IL: 41° to 75°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Friday, October 23
70° · 0.15 in
Worst day: Friday, October 16
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1670° / 51°0.15
Morning55°feels 53°
Afternoon58°feels 55°
Evening55°feels 53°
Overnight64°feels 64°
70 °
Isabel, Friday, 16 October
Rain. High 70°, low 51°.
Pressure30.12 inHg
Wind17.9 mph NW
Humidity47%
Visibility6.2 mi
Dew point36°
Sat, 1758° / 41°0
Morning42°feels 38°
Afternoon57°feels 54°
Evening50°feels 48°
Overnight46°feels 41°
58 °
Isabel, Saturday, 17 October
Clear. High 58°, low 41°.
Pressure30.56 inHg
Wind3.6 mph N
Humidity49%
Visibility6.2 mi
Dew point36°
Sun, 1863° / 42°0
Morning44°feels 39°
Afternoon63°feels 60°
Evening52°feels 50°
Overnight43°feels 41°
63 °
Isabel, Sunday, 18 October
Clear. High 63°, low 42°.
Pressure30.50 inHg
Wind8.7 mph S
Humidity35%
Visibility6.2 mi
Dew point32°
Mon, 1968° / 43°0
Morning48°feels 46°
Afternoon67°feels 66°
Evening58°feels 56°
Overnight46°feels 44°
68 °
Isabel, Monday, 19 October
Overcast. High 68°, low 43°.
Pressure30.39 inHg
Wind7 mph S
Humidity44%
Visibility6.2 mi
Dew point42°
Tue, 2070° / 48°0
Morning54°feels 53°
Afternoon67°feels 66°
Evening62°feels 60°
Overnight56°feels 55°
70 °
Isabel, Tuesday, 20 October
Overcast. High 70°, low 48°.
Pressure30.33 inHg
Wind4.6 mph SW
Humidity38%
Visibility—
Dew point39°
Wed, 2172° / 53°0
Morning58°feels 57°
Afternoon70°feels 68°
Evening62°feels 61°
Overnight58°feels 56°
72 °
Isabel, Wednesday, 21 October
Partly cloudy. High 72°, low 53°.
Pressure30.33 inHg
Wind7.4 mph E
Humidity40%
Visibility—
Dew point43°
Thu, 2273° / 52°0
Morning58°feels 55°
Afternoon70°feels 68°
Evening63°feels 61°
Overnight58°feels 56°
73 °
Isabel, Thursday, 22 October
Overcast. High 73°, low 52°.
Pressure30.24 inHg
Wind7.2 mph SE
Humidity33%
Visibility—
Dew point38°
Fri, 2375° / 53°0
Morning59°feels 57°
Afternoon72°feels 70°
Evening64°feels 62°
Overnight60°feels 58°
75 °
Isabel, Friday, 23 October
Overcast. High 75°, low 53°.
Pressure30.24 inHg
Wind12 mph SE
Humidity32%
Visibility—
Dew point39°
Sat, 2474° / 54°0
Morning59°feels 58°
Afternoon71°feels 70°
Evening67°feels 66°
Overnight65°feels 63°
74 °
Isabel, Saturday, 24 October
Overcast. High 74°, low 54°.
Pressure30.21 inHg
Wind15 mph S
Humidity41%
Visibility—
Dew point45°
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 Isabel, 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.