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As of 01:07 CST

Weather in Illiopolis, IL

28°Current weather

Illiopolis, Saturday, 14 November, 01:07

Mostly clear. Feels like 21°. High 47°, low 28°.

Pressure30.18 inHg
Wind6.2 mph NW
Humidity87%
Visibility6.2 mi
Dew point26°

10-day forecast for Illiopolis, IL: 23° to 68°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

66°
Best day: Friday, November 20
29°
Worst day: Monday, November 23

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

Sun, 1549° / 29°0Mostly clear
MorningClear34°feels 34°
AfternoonClear49°feels 49°
EveningClear37°feels 35°
OvernightClear31°feels 31°
49 °Mostly clear

Illiopolis, Sunday, 15 November

Mostly clear. High 49°, low 29°.

Pressure30.47 inHg
Wind1.6 mph NW
Humidity52%
Visibility6.2 mi
Dew point29°
Mon, 1653° / 30°0Clear
MorningClear35°feels 31°
AfternoonClear53°feels 50°
EveningMostly clear39°feels 36°
OvernightClear32°feels 32°
53 °Clear

Illiopolis, Monday, 16 November

Clear. High 53°, low 30°.

Pressure30.53 inHg
Wind4.3 mph SW
Humidity47%
Visibility6.2 mi
Dew point32°
Tue, 1754° / 34°0Clear
MorningClear40°feels 36°
AfternoonClear54°feels 51°
EveningClear42°feels 37°
OvernightClear35°feels 31°
54 °Clear

Illiopolis, Tuesday, 17 November

Clear. High 54°, low 34°.

Pressure30.47 inHg
Wind7.5 mph S
Humidity49%
Visibility6.2 mi
Dew point34°
Wed, 1858° / 38°0Overcast
MorningOvercast44°feels 39°
AfternoonOvercast56°feels 54°
EveningOvercast51°feels 48°
OvernightOvercast47°feels 42°
58 °Overcast

Illiopolis, Wednesday, 18 November

Overcast. High 58°, low 38°.

Pressure30.36 inHg
Wind12.8 mph S
Humidity49%
Visibility—
Dew point36°
Thu, 1960° / 48°0.04Light rain
MorningLight rain54°feels 52°
AfternoonLight rain59°feels 58°
EveningLight rain55°feels 55°
OvernightLight rain54°feels 53°
60 °Light rain

Illiopolis, Thursday, 19 November

Light rain. High 60°, low 48°.

Pressure30.30 inHg
Wind12.2 mph S
Humidity61%
Visibility—
Dew point45°
Fri, 2066° / 55°0Light rain
MorningLight rain58°feels 57°
AfternoonLight rain64°feels 63°
EveningLight rain60°feels 59°
OvernightLight rain59°feels 58°
66 °Light rain

Illiopolis, Friday, 20 November

Light rain. High 66°, low 55°.

Pressure30.24 inHg
Wind12.2 mph S
Humidity65%
Visibility—
Dew point51°
Sat, 2168° / 52°0.05Light rain
MorningLight rain56°feels 55°
AfternoonLight rain66°feels 64°
EveningLight rain62°feels 60°
OvernightLight rain57°feels 56°
68 °Light rain

Illiopolis, Saturday, 21 November

Light rain. High 68°, low 52°.

Pressure29.94 inHg
Wind18.7 mph S
Humidity36%
Visibility—
Dew point37°
Sun, 2247° / 28°0.08Snow
MorningSnow37°feels 26°
AfternoonSnow33°feels 21°
EveningSnow30°feels 18°
OvernightSnow30°feels 18°
47 °Snow

Illiopolis, Sunday, 22 November

Snow. High 47°, low 28°.

Pressure30.03 inHg
Wind24.6 mph NW
Humidity81%
Visibility—
Dew point29°
Mon, 2329° / 23°0Overcast
MorningOvercast25°feels 15°
AfternoonOvercast28°feels 17°
EveningOvercast24°feels 13°
OvernightOvercast23°feels 11°
29 °Overcast

Illiopolis, Monday, 23 November

Overcast. High 29°, low 23°.

Pressure30.21 inHg
Wind16 mph NW
Humidity40%
Visibility—
Dew point7°

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.