EN
English Español

As of 03:00 CST

Weather in Illiopolis, IL

55°Current weather

Illiopolis, Monday, 2 November, 03:00

Overcast. Feels like 55°. High 65°, low 55°.

Pressure30.15 inHg
Wind9.2 mph SE
Humidity94%
Visibility6.2 mi
Dew point53°

10-day forecast for Illiopolis, IL: 38° to 74°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.

65°
Best day: Monday, November 2
65° · 0.63 in
Worst day: Wednesday, November 4

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

Tue, 0374° / 65°0.56Rain
MorningOvercast67°feels 67°
AfternoonOvercast73°feels 74°
EveningRain66°feels 67°
OvernightOvercast65°feels 65°
74 °Rain

Illiopolis, Tuesday, 3 November

Rain. High 74°, low 65°.

Pressure29.83 inHg
Wind21.9 mph S
Humidity66%
Visibility6.2 mi
Dew point61°
Wed, 0465° / 55°0.63Heavy rain
MorningOvercast59°feels 59°
AfternoonOvercast58°feels 56°
EveningOvercast55°feels 54°
OvernightRain65°feels 65°
65 °Heavy rain

Illiopolis, Wednesday, 4 November

Heavy rain. High 65°, low 55°.

Pressure29.74 inHg
Wind13.3 mph SW
Humidity66%
Visibility6.2 mi
Dew point48°
Thu, 0558° / 51°0.06Light rain
MorningOvercast52°feels 50°
AfternoonOvercast57°feels 55°
EveningLight rain52°feels 51°
OvernightOvercast54°feels 53°
58 °Light rain

Illiopolis, Thursday, 5 November

Light rain. High 58°, low 51°.

Pressure29.77 inHg
Wind15.1 mph W
Humidity59%
Visibility6.2 mi
Dew point44°
Fri, 0655° / 49°0.03Light rain
MorningLight rain51°feels 48°
AfternoonLight rain52°feels 51°
EveningLight rain51°feels 49°
OvernightOvercast50°feels 47°
55 °Light rain

Illiopolis, Friday, 6 November

Light rain. High 55°, low 49°.

Pressure29.94 inHg
Wind11.7 mph N
Humidity89%
Visibility—
Dew point49°
Sat, 0754° / 47°0Overcast
MorningOvercast49°feels 47°
AfternoonOvercast54°feels 51°
EveningOvercast53°feels 51°
OvernightOvercast52°feels 50°
54 °Overcast

Illiopolis, Saturday, 7 November

Overcast. High 54°, low 47°.

Pressure30.06 inHg
Wind8.6 mph NW
Humidity57%
Visibility—
Dew point38°
Sun, 0851° / 45°0.15Light rain
MorningLight rain46°feels 40°
AfternoonLight rain48°feels 42°
EveningLight rain45°feels 38°
OvernightLight rain45°feels 40°
51 °Light rain

Illiopolis, Sunday, 8 November

Light rain. High 51°, low 45°.

Pressure29.68 inHg
Wind16.2 mph N
Humidity61%
Visibility—
Dew point35°
Mon, 0951° / 42°0Overcast
MorningOvercast45°feels 39°
AfternoonOvercast49°feels 44°
EveningOvercast47°feels 43°
OvernightOvercast43°feels 38°
51 °Overcast

Illiopolis, Monday, 9 November

Overcast. High 51°, low 42°.

Pressure30.00 inHg
Wind14.2 mph NW
Humidity51%
Visibility—
Dew point31°
Tue, 1054° / 38°0Clear
MorningClear43°feels 38°
AfternoonClear52°feels 49°
EveningClear45°feels 41°
OvernightClear42°feels 37°
54 °Clear

Illiopolis, Tuesday, 10 November

Clear. High 54°, low 38°.

Pressure30.03 inHg
Wind14.4 mph NW
Humidity42%
Visibility—
Dew point29°
Wed, 1151° / 38°0Overcast
MorningOvercast42°feels 38°
AfternoonOvercast50°feels 47°
EveningOvercast48°feels 45°
OvernightOvercast44°feels 41°
51 °Overcast

Illiopolis, Wednesday, 11 November

Overcast. High 51°, low 38°.

Pressure30.21 inHg
Wind7.4 mph NW
Humidity41%
Visibility—
Dew point26°

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.