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As of 03:25 CST

Weather in Illiopolis, IL

28°Current weather

Illiopolis, Sunday, 15 November, 03:25

Clear. Feels like 28°. High 51°, low 28°.

Pressure30.39 inHg
Wind2.2 mph NW
Humidity89%
Visibility6.2 mi
Dew point26°

10-day forecast for Illiopolis, IL: 28° to 66°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.

66°
Best day: Friday, November 20
64° · 0.17 in
Worst day: Saturday, November 21

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

Mon, 1654° / 28°0Clear
MorningClear36°feels 32°
AfternoonClear54°feels 51°
EveningClear41°feels 38°
OvernightMostly clear29°feels 29°
54 °Clear

Illiopolis, Monday, 16 November

Clear. High 54°, low 28°.

Pressure30.53 inHg
Wind5.2 mph SW
Humidity46%
Visibility6.2 mi
Dew point33°
Tue, 1756° / 35°0Clear
MorningClear39°feels 33°
AfternoonPartly cloudy56°feels 54°
EveningMostly clear44°feels 40°
OvernightClear37°feels 33°
56 °Clear

Illiopolis, Tuesday, 17 November

Clear. High 56°, low 35°.

Pressure30.50 inHg
Wind7.7 mph S
Humidity51%
Visibility6.2 mi
Dew point37°
Wed, 1858° / 40°0Overcast
MorningClear43°feels 37°
AfternoonOvercast58°feels 56°
EveningPartly cloudy49°feels 45°
OvernightClear41°feels 36°
58 °Overcast

Illiopolis, Wednesday, 18 November

Overcast. High 58°, low 40°.

Pressure30.36 inHg
Wind13 mph S
Humidity48%
Visibility6.2 mi
Dew point39°
Thu, 1965° / 46°0Clear
MorningClear52°feels 49°
AfternoonClear62°feels 60°
EveningClear54°feels 53°
OvernightPartly cloudy46°feels 40°
65 °Clear

Illiopolis, Thursday, 19 November

Clear. High 65°, low 46°.

Pressure30.27 inHg
Wind12.8 mph SW
Humidity53%
Visibility—
Dew point44°
Fri, 2066° / 45°0Partly cloudy
MorningPartly cloudy52°feels 52°
AfternoonPartly cloudy65°feels 65°
EveningPartly cloudy60°feels 59°
OvernightPartly cloudy56°feels 55°
66 °Partly cloudy

Illiopolis, Friday, 20 November

Partly cloudy. High 66°, low 45°.

Pressure30.27 inHg
Wind10.7 mph S
Humidity60%
Visibility—
Dew point49°
Sat, 2164° / 49°0.17Rain
MorningRain53°feels 49°
AfternoonRain63°feels 61°
EveningRain55°feels 55°
OvernightRain54°feels 52°
64 °Rain

Illiopolis, Saturday, 21 November

Rain. High 64°, low 49°.

Pressure30.00 inHg
Wind20.3 mph SW
Humidity40%
Visibility—
Dew point38°
Sun, 2251° / 41°0Clear
MorningClear45°feels 40°
AfternoonClear50°feels 47°
EveningClear44°feels 38°
OvernightClear41°feels 35°
51 °Clear

Illiopolis, Sunday, 22 November

Clear. High 51°, low 41°.

Pressure30.27 inHg
Wind15.4 mph NW
Humidity52%
Visibility—
Dew point33°
Mon, 2346° / 32°0Clear
MorningClear35°feels 29°
AfternoonClear43°feels 38°
EveningClear38°feels 33°
OvernightClear35°feels 29°
46 °Clear

Illiopolis, Monday, 23 November

Clear. High 46°, low 32°.

Pressure30.50 inHg
Wind9.1 mph NE
Humidity47%
Visibility—
Dew point23°
Tue, 2448° / 30°0Overcast
MorningOvercast35°feels 29°
AfternoonOvercast44°feels 41°
EveningOvercast40°feels 36°
OvernightOvercast36°feels 31°
48 °Overcast

Illiopolis, Tuesday, 24 November

Overcast. High 48°, low 30°.

Pressure30.50 inHg
Wind7.4 mph SE
Humidity34%
Visibility—
Dew point17°

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.