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As of 14:05 CST

Weather in Illiopolis, IL

66°Current weather

Illiopolis, Monday, 9 November, 14:05

Clear. Feels like 65°. High 66°, low 36°.

Pressure30.09 inHg
Wind6.2 mph SW
Humidity45%
Visibility6.2 mi
Dew point43°

10-day forecast for Illiopolis, IL: 31° to 68°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

68°
Best day: Wednesday, November 18
61° · 0.2 in
Worst day: Wednesday, November 11

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

Tue, 1067° / 43°0Clear
MorningClear50°feels 48°
AfternoonClear67°feels 66°
EveningClear47°feels 47°
OvernightClear48°feels 44°
67 °Clear

Illiopolis, Tuesday, 10 November

Clear. High 67°, low 43°.

Pressure30.09 inHg
Wind4.1 mph NW
Humidity55%
Visibility6.2 mi
Dew point46°
Wed, 1161° / 42°0.2Rain
MorningPartly cloudy48°feels 45°
AfternoonLight rain59°feels 58°
EveningClear50°feels 46°
OvernightOvercast42°feels 40°
61 °Rain

Illiopolis, Wednesday, 11 November

Rain. High 61°, low 42°.

Pressure29.77 inHg
Wind6.8 mph S
Humidity82%
Visibility2.3 mi
Dew point54°
Thu, 1249° / 41°0Overcast
MorningOvercast44°feels 39°
AfternoonOvercast47°feels 42°
EveningOvercast42°feels 36°
OvernightPartly cloudy43°feels 38°
49 °Overcast

Illiopolis, Thursday, 12 November

Overcast. High 49°, low 41°.

Pressure29.97 inHg
Wind11.9 mph N
Humidity54%
Visibility6.2 mi
Dew point33°
Fri, 1342° / 34°0Overcast
MorningOvercast37°feels 29°
AfternoonOvercast42°feels 35°
EveningOvercast39°feels 33°
OvernightOvercast36°feels 31°
42 °Overcast

Illiopolis, Friday, 13 November

Overcast. High 42°, low 34°.

Pressure30.09 inHg
Wind13.2 mph N
Humidity63%
Visibility6.2 mi
Dew point24°
Sat, 1445° / 31°0Clear
MorningClear35°feels 28°
AfternoonClear43°feels 39°
EveningClear37°feels 34°
OvernightClear33°feels 32°
45 °Clear

Illiopolis, Saturday, 14 November

Clear. High 45°, low 31°.

Pressure30.27 inHg
Wind7.8 mph NW
Humidity58%
Visibility—
Dew point29°
Sun, 1557° / 33°0Overcast
MorningOvercast39°feels 35°
AfternoonOvercast53°feels 50°
EveningOvercast48°feels 45°
OvernightOvercast44°feels 40°
57 °Overcast

Illiopolis, Sunday, 15 November

Overcast. High 57°, low 33°.

Pressure30.06 inHg
Wind11.2 mph S
Humidity36%
Visibility—
Dew point25°
Mon, 1663° / 51°0.09Light rain
MorningLight rain55°feels 55°
AfternoonLight rain61°feels 60°
EveningLight rain58°feels 58°
OvernightLight rain55°feels 55°
63 °Light rain

Illiopolis, Monday, 16 November

Light rain. High 63°, low 51°.

Pressure29.94 inHg
Wind9.1 mph S
Humidity83%
Visibility—
Dew point55°
Tue, 1761° / 53°0Overcast
MorningOvercast55°feels 55°
AfternoonOvercast60°feels 59°
EveningOvercast59°feels 58°
OvernightOvercast56°feels 55°
61 °Overcast

Illiopolis, Tuesday, 17 November

Overcast. High 61°, low 53°.

Pressure30.15 inHg
Wind5.6 mph E
Humidity78%
Visibility—
Dew point52°
Wed, 1868° / 52°0Partly cloudy
MorningPartly cloudy56°feels 56°
AfternoonPartly cloudy65°feels 64°
EveningPartly cloudy59°feels 58°
OvernightPartly cloudy56°feels 55°
68 °Partly cloudy

Illiopolis, Wednesday, 18 November

Partly cloudy. High 68°, low 52°.

Pressure30.30 inHg
Wind9.1 mph SE
Humidity56%
Visibility—
Dew point49°

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.