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As of 23:12 CDT

Weather in Illiopolis, IL

72°Current weather

Illiopolis, Saturday, 8 August, 23:12

Clear. Feels like 73°. High 87°, low 70°.

Pressure30.03 inHg
Wind4.3 mph SE
Humidity93%
Visibility6.2 mi
Dew point70°

10-day forecast for Illiopolis, IL: 63° to 93°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.

93°
Best day: Monday, August 10
83° · 2.06 in
Worst day: Thursday, August 13

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

Sun, 0993° / 71°0Clear
MorningMostly clear75°feels 77°
AfternoonClear91°feels 103°
EveningClear85°feels 94°
OvernightPartly cloudy72°feels 73°
93 °Clear

Illiopolis, Sunday, 9 August

Clear. High 93°, low 71°.

Pressure29.94 inHg
Wind14.5 mph S
Humidity66%
Visibility6.2 mi
Dew point73°
Mon, 1093° / 75°0Partly cloudy
MorningPartly cloudy78°feels 80°
AfternoonOvercast91°feels 100°
EveningOvercast86°feels 95°
OvernightClear81°feels 84°
93 °Partly cloudy

Illiopolis, Monday, 10 August

Partly cloudy. High 93°, low 75°.

Pressure29.91 inHg
Wind14.5 mph SW
Humidity60%
Visibility6.2 mi
Dew point73°
Tue, 1193° / 73°0.1Light rain
MorningLight rain75°feels 76°
AfternoonLight rain83°feels 90°
EveningOvercast84°feels 91°
OvernightOvercast73°feels 74°
93 °Light rain

Illiopolis, Tuesday, 11 August

Light rain. High 93°, low 73°.

Pressure29.83 inHg
Wind15.5 mph SW
Humidity64%
Visibility6.2 mi
Dew point69°
Wed, 1284° / 72°0.74Heavy rain
MorningOvercast76°feels 78°
AfternoonHeavy rain78°feels 80°
EveningClear75°feels 76°
OvernightOvercast79°feels 80°
84 °Heavy rain

Illiopolis, Wednesday, 12 August

Heavy rain. High 84°, low 72°.

Pressure29.85 inHg
Wind1.3 mph N
Humidity83%
Visibility6.2 mi
Dew point76°
Thu, 1383° / 64°2.06Heavy rain
MorningHeavy rain72°feels 74°
AfternoonHeavy rain80°feels 84°
EveningHeavy rain67°feels 67°
OvernightHeavy rain65°feels 66°
83 °Heavy rain

Illiopolis, Thursday, 13 August

Heavy rain. High 83°, low 64°.

Pressure29.94 inHg
Wind14.5 mph SE
Humidity66%
Visibility—
Dew point68°
Fri, 1478° / 65°0.01Light rain
MorningLight rain68°feels 69°
AfternoonLight rain76°feels 76°
EveningLight rain73°feels 73°
OvernightLight rain67°feels 67°
78 °Light rain

Illiopolis, Friday, 14 August

Light rain. High 78°, low 65°.

Pressure30.06 inHg
Wind11.7 mph E
Humidity73%
Visibility—
Dew point65°
Sat, 1570° / 63°0.05Light rain
MorningLight rain64°feels 64°
AfternoonLight rain66°feels 66°
EveningLight rain65°feels 66°
OvernightLight rain64°feels 64°
70 °Light rain

Illiopolis, Saturday, 15 August

Light rain. High 70°, low 63°.

Pressure30.24 inHg
Wind15.1 mph E
Humidity80%
Visibility—
Dew point59°
Sun, 1674° / 63°0.06Light rain
MorningLight rain66°feels 66°
AfternoonLight rain72°feels 73°
EveningLight rain72°feels 73°
OvernightLight rain67°feels 68°
74 °Light rain

Illiopolis, Sunday, 16 August

Light rain. High 74°, low 63°.

Pressure30.09 inHg
Wind9.9 mph E
Humidity83%
Visibility—
Dew point65°
Mon, 1778° / 64°0.06Light rain
MorningLight rain69°feels 69°
AfternoonLight rain76°feels 77°
EveningLight rain76°feels 76°
OvernightLight rain70°feels 71°
78 °Light rain

Illiopolis, Monday, 17 August

Light rain. High 78°, low 64°.

Pressure30.06 inHg
Wind6.6 mph NE
Humidity79%
Visibility—
Dew point67°

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.