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As of 17:21 CDT

Weather in Illinois City, IL

85°Current weather

Illinois City, Sunday, 9 August, 17:21

Clear. Feels like 95°. High 86°, low 66°.

Pressure29.80 inHg
Wind12.7 mph S
Humidity73%
Visibility6.2 mi
Dew point75°

10-day forecast for Illinois City, IL: 64° to 96°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

96°
Best day: Saturday, August 15
82° · 0.45 in
Worst day: Friday, August 14

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

Mon, 1089° / 72°0Light rain
MorningOvercast76°feels 77°
AfternoonOvercast88°feels 96°
EveningOvercast80°feels 84°
OvernightClear75°feels 76°
89 °Light rain

Illinois City, Monday, 10 August

Light rain. High 89°, low 72°.

Pressure29.85 inHg
Wind6.4 mph E
Humidity71%
Visibility6.2 mi
Dew point74°
Tue, 1194° / 72°0Light rain
MorningOvercast75°feels 76°
AfternoonClear91°feels 96°
EveningOvercast79°feels 79°
OvernightMostly clear73°feels 74°
94 °Light rain

Illinois City, Tuesday, 11 August

Light rain. High 94°, low 72°.

Pressure29.77 inHg
Wind12.8 mph SW
Humidity52%
Visibility6.2 mi
Dew point69°
Wed, 1285° / 67°0Overcast
MorningPartly cloudy72°feels 73°
AfternoonOvercast83°feels 87°
EveningOvercast78°feels 79°
OvernightPartly cloudy69°feels 71°
85 °Overcast

Illinois City, Wednesday, 12 August

Overcast. High 85°, low 67°.

Pressure29.88 inHg
Wind5.7 mph E
Humidity56%
Visibility6.2 mi
Dew point67°
Thu, 1380° / 68°0.2Rain
MorningOvercast71°feels 72°
AfternoonLight rain77°feels 79°
EveningRain73°feels 75°
OvernightClear70°feels 71°
80 °Rain

Illinois City, Thursday, 13 August

Rain. High 80°, low 68°.

Pressure29.88 inHg
Wind10.4 mph S
Humidity66%
Visibility6.2 mi
Dew point70°
Fri, 1482° / 68°0.45Rain
MorningRain71°feels 72°
AfternoonRain78°feels 79°
EveningRain78°feels 79°
OvernightRain73°feels 75°
82 °Rain

Illinois City, Friday, 14 August

Rain. High 82°, low 68°.

Pressure29.97 inHg
Wind17 mph E
Humidity80%
Visibility—
Dew point70°
Sat, 1596° / 72°0Partly cloudy
MorningPartly cloudy77°feels 80°
AfternoonPartly cloudy90°feels 98°
EveningPartly cloudy87°feels 94°
OvernightPartly cloudy84°feels 85°
96 °Partly cloudy

Illinois City, Saturday, 15 August

Partly cloudy. High 96°, low 72°.

Pressure29.88 inHg
Wind12.9 mph E
Humidity53%
Visibility—
Dew point69°
Sun, 1677° / 67°0Overcast
MorningOvercast70°feels 70°
AfternoonOvercast74°feels 74°
EveningOvercast72°feels 72°
OvernightOvercast67°feels 67°
77 °Overcast

Illinois City, Sunday, 16 August

Overcast. High 77°, low 67°.

Pressure30.03 inHg
Wind12.1 mph NW
Humidity75%
Visibility—
Dew point65°
Mon, 1783° / 64°0.02Light rain
MorningLight rain68°feels 69°
AfternoonLight rain78°feels 79°
EveningLight rain79°feels 80°
OvernightLight rain75°feels 76°
83 °Light rain

Illinois City, Monday, 17 August

Light rain. High 83°, low 64°.

Pressure29.94 inHg
Wind12.1 mph E
Humidity69%
Visibility—
Dew point65°
Tue, 1890° / 69°0.02Light rain
MorningLight rain74°feels 77°
AfternoonLight rain87°feels 92°
EveningLight rain80°feels 84°
OvernightLight rain72°feels 73°
90 °Light rain

Illinois City, Tuesday, 18 August

Light rain. High 90°, low 69°.

Pressure29.88 inHg
Wind9.5 mph W
Humidity58%
Visibility—
Dew point69°

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 Illinois City, 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.