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As of 10:57 CDT

Weather in Illiopolis, IL

66°Current weather

Illiopolis, Monday, 26 October, 10:57

Overcast. Feels like 65°. High 73°, low 50°.

Pressure30.33 inHg
Wind1.6 mph S
Humidity65%
Visibility6.2 mi
Dew point55°

10-day forecast for Illiopolis, IL: 46° to 76°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

76°
Best day: Thursday, October 29
65° · 0.2 in
Worst day: Tuesday, November 3

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

Tue, 2773° / 50°0Overcast
MorningOvercast53°feels 52°
AfternoonOvercast71°feels 70°
EveningOvercast58°feels 57°
OvernightOvercast52°feels 51°
73 °Overcast

Illiopolis, Tuesday, 27 October

Overcast. High 73°, low 50°.

Pressure30.24 inHg
Wind6.9 mph S
Humidity52%
Visibility6.2 mi
Dew point50°
Wed, 2874° / 52°0Light rain
MorningOvercast56°feels 56°
AfternoonMostly clear74°feels 73°
EveningClear63°feels 62°
OvernightLight rain55°feels 54°
74 °Light rain

Illiopolis, Wednesday, 28 October

Light rain. High 74°, low 52°.

Pressure30.21 inHg
Wind7.8 mph S
Humidity51%
Visibility6.2 mi
Dew point52°
Thu, 2976° / 57°0.01Light rain
MorningClear57°feels 56°
AfternoonClear76°feels 75°
EveningPartly cloudy66°feels 66°
OvernightClear59°feels 58°
76 °Light rain

Illiopolis, Thursday, 29 October

Light rain. High 76°, low 57°.

Pressure30.12 inHg
Wind10.1 mph SW
Humidity54%
Visibility6.2 mi
Dew point56°
Fri, 3073° / 58°0.08Light rain
MorningOvercast60°feels 60°
AfternoonLight rain71°feels 71°
EveningLight rain64°feels 64°
OvernightOvercast62°feels 63°
73 °Light rain

Illiopolis, Friday, 30 October

Light rain. High 73°, low 58°.

Pressure30.18 inHg
Wind7.4 mph E
Humidity66%
Visibility—
Dew point59°
Sat, 3172° / 60°0.03Light rain
MorningLight rain63°feels 63°
AfternoonLight rain69°feels 69°
EveningLight rain65°feels 65°
OvernightLight rain62°feels 62°
72 °Light rain

Illiopolis, Saturday, 31 October

Light rain. High 72°, low 60°.

Pressure30.18 inHg
Wind6.8 mph SE
Humidity69%
Visibility—
Dew point57°
Sun, 0163° / 61°0.18Light rain
MorningLight rain61°feels 62°
AfternoonLight rain62°feels 62°
EveningLight rain62°feels 62°
OvernightLight rain61°feels 61°
63 °Light rain

Illiopolis, Sunday, 1 November

Light rain. High 63°, low 61°.

Pressure30.00 inHg
Wind5.9 mph S
Humidity93%
Visibility—
Dew point60°
Mon, 0267° / 60°0.01Light rain
MorningLight rain62°feels 62°
AfternoonLight rain66°feels 65°
EveningLight rain63°feels 63°
OvernightLight rain63°feels 63°
67 °Light rain

Illiopolis, Monday, 2 November

Light rain. High 67°, low 60°.

Pressure29.88 inHg
Wind11.9 mph SE
Humidity76%
Visibility—
Dew point58°
Tue, 0365° / 53°0.2Light rain
MorningLight rain56°feels 55°
AfternoonLight rain56°feels 54°
EveningLight rain55°feels 52°
OvernightLight rain54°feels 52°
65 °Light rain

Illiopolis, Tuesday, 3 November

Light rain. High 65°, low 53°.

Pressure29.77 inHg
Wind19.2 mph W
Humidity55%
Visibility—
Dew point40°
Wed, 0460° / 46°0Overcast
MorningOvercast49°feels 43°
AfternoonOvercast56°feels 53°
EveningOvercast52°feels 49°
OvernightOvercast52°feels 48°
60 °Overcast

Illiopolis, Wednesday, 4 November

Overcast. High 60°, low 46°.

Pressure29.94 inHg
Wind19.2 mph W
Humidity29%
Visibility—
Dew point24°

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.