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As of 02:23 CST

Weather in Illiopolis, IL

41°Current weather

Illiopolis, Monday, 9 November, 02:23

Clear. Feels like 38°. High 66°, low 38°.

Pressure30.12 inHg
Wind4.3 mph NW
Humidity83%
Visibility6.2 mi
Dew point36°

10-day forecast for Illiopolis, IL: 30° to 67°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

67°
Best day: Tuesday, November 10
64° · 0.28 in
Worst day: Wednesday, November 11

Tap any day below to see morning, afternoon, evening and overnight.

Tue, 1067° / 45°0Clear
MorningClear50°feels 49°
AfternoonClear67°feels 66°
EveningClear50°feels 50°
OvernightClear49°feels 45°
67 °Clear

Illiopolis, Tuesday, 10 November

Clear. High 67°, low 45°.

Pressure30.09 inHg
Wind3.1 mph NW
Humidity56%
Visibility6.2 mi
Dew point47°
Wed, 1164° / 44°0.28Heavy rain
MorningClear50°feels 48°
AfternoonLight rain59°feels 59°
EveningLight rain50°feels 49°
OvernightOvercast44°feels 42°
64 °Heavy rain

Illiopolis, Wednesday, 11 November

Heavy rain. High 64°, low 44°.

Pressure29.77 inHg
Wind10.1 mph SW
Humidity74%
Visibility1.6 mi
Dew point54°
Thu, 1248° / 39°0Partly cloudy
MorningMostly clear44°feels 37°
AfternoonOvercast46°feels 40°
EveningOvercast40°feels 34°
OvernightOvercast47°feels 41°
48 °Partly cloudy

Illiopolis, Thursday, 12 November

Partly cloudy. High 48°, low 39°.

Pressure29.94 inHg
Wind16.4 mph NW
Humidity52%
Visibility6.2 mi
Dew point27°
Fri, 1342° / 37°0Overcast
MorningOvercast38°feels 31°
AfternoonOvercast42°feels 35°
EveningOvercast39°feels 34°
OvernightOvercast38°feels 30°
42 °Overcast

Illiopolis, Friday, 13 November

Overcast. High 42°, low 37°.

Pressure30.09 inHg
Wind13.2 mph N
Humidity64%
Visibility—
Dew point30°
Sat, 1447° / 30°0Mostly clear
MorningMostly clear34°feels 29°
AfternoonMostly clear44°feels 39°
EveningMostly clear40°feels 38°
OvernightMostly clear37°feels 34°
47 °Mostly clear

Illiopolis, Saturday, 14 November

Mostly clear. High 47°, low 30°.

Pressure30.21 inHg
Wind8.1 mph NW
Humidity55%
Visibility—
Dew point27°
Sun, 1554° / 35°0Mostly clear
MorningMostly clear40°feels 36°
AfternoonMostly clear51°feels 47°
EveningMostly clear46°feels 43°
OvernightMostly clear42°feels 38°
54 °Mostly clear

Illiopolis, Sunday, 15 November

Mostly clear. High 54°, low 35°.

Pressure30.09 inHg
Wind6.6 mph E
Humidity33%
Visibility—
Dew point21°
Mon, 1657° / 38°0Partly cloudy
MorningPartly cloudy43°feels 39°
AfternoonPartly cloudy54°feels 51°
EveningPartly cloudy49°feels 45°
OvernightPartly cloudy45°feels 40°
57 °Partly cloudy

Illiopolis, Monday, 16 November

Partly cloudy. High 57°, low 38°.

Pressure30.18 inHg
Wind9.4 mph E
Humidity34%
Visibility—
Dew point25°
Tue, 1758° / 45°0Overcast
MorningOvercast48°feels 44°
AfternoonOvercast52°feels 49°
EveningOvercast50°feels 47°
OvernightOvercast49°feels 45°
58 °Overcast

Illiopolis, Tuesday, 17 November

Overcast. High 58°, low 45°.

Pressure30.30 inHg
Wind11.3 mph SE
Humidity42%
Visibility—
Dew point29°
Wed, 1856° / 48°0.18Light rain
MorningLight rain51°feels 48°
AfternoonLight rain55°feels 54°
EveningLight rain53°feels 53°
OvernightLight rain52°feels 50°
56 °Light rain

Illiopolis, Wednesday, 18 November

Light rain. High 56°, low 48°.

Pressure30.18 inHg
Wind10.1 mph S
Humidity74%
Visibility—
Dew point47°

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.