10-day forecast for Illiopolis, IL: 34° to 63°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
62°
Best day: Tuesday, November 10
63° · 0.94 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 0560° / 49°0
Morning52°feels 51°
Afternoon59°feels 57°
Evening54°feels 53°
Overnight53°feels 52°
60 °
Illiopolis, Thursday, 5 November
Clear. High 60°, low 49°.
Pressure29.83 inHg
Wind13.9 mph W
Humidity54%
Visibility6.2 mi
Dew point43°
Fri, 0652° / 39°0.02
Morning48°feels 43°
Afternoon51°feels 48°
Evening41°feels 38°
Overnight52°feels 51°
52 °
Illiopolis, Friday, 6 November
Light rain. High 52°, low 39°.
Pressure30.15 inHg
Wind11.5 mph N
Humidity48%
Visibility6.2 mi
Dew point32°
Sat, 0751° / 34°0
Morning39°feels 37°
Afternoon51°feels 48°
Evening41°feels 38°
Overnight36°feels 33°
51 °
Illiopolis, Saturday, 7 November
Overcast. High 51°, low 34°.
Pressure30.27 inHg
Wind5.2 mph NW
Humidity49%
Visibility6.2 mi
Dew point31°
Sun, 0860° / 37°0
Morning43°feels 39°
Afternoon57°feels 55°
Evening51°feels 50°
Overnight37°feels 33°
60 °
Illiopolis, Sunday, 8 November
Overcast. High 60°, low 37°.
Pressure30.15 inHg
Wind10.1 mph W
Humidity57%
Visibility—
Dew point40°
Mon, 0962° / 39°0
Morning45°feels 45°
Afternoon58°feels 57°
Evening52°feels 51°
Overnight49°feels 48°
62 °
Illiopolis, Monday, 9 November
Clear. High 62°, low 39°.
Pressure30.21 inHg
Wind6.5 mph SW
Humidity57%
Visibility—
Dew point42°
Tue, 1062° / 43°0
Morning48°feels 45°
Afternoon59°feels 56°
Evening51°feels 48°
Overnight46°feels 43°
62 °
Illiopolis, Tuesday, 10 November
Clear. High 62°, low 43°.
Pressure30.06 inHg
Wind9.2 mph N
Humidity43%
Visibility—
Dew point35°
Wed, 1157° / 41°0
Morning45°feels 42°
Afternoon55°feels 52°
Evening49°feels 47°
Overnight47°feels 43°
57 °
Illiopolis, Wednesday, 11 November
Overcast. High 57°, low 41°.
Pressure30.24 inHg
Wind6.6 mph NE
Humidity38%
Visibility—
Dew point29°
Thu, 1255° / 42°0
Morning45°feels 41°
Afternoon52°feels 49°
Evening46°feels 43°
Overnight43°feels 41°
55 °
Illiopolis, Thursday, 12 November
Overcast. High 55°, low 42°.
Pressure30.24 inHg
Wind6.8 mph E
Humidity46%
Visibility—
Dew point31°
Fri, 1356° / 38°0
Morning43°feels 40°
Afternoon53°feels 51°
Evening48°feels 45°
Overnight44°feels 41°
56 °
Illiopolis, Friday, 13 November
Clear. High 56°, low 38°.
Pressure30.18 inHg
Wind9.4 mph NW
Humidity45%
Visibility—
Dew point31°
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 Illiopolis, 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.