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As of 09:21 CDT

Weather in Glen Carbon, IL

79°Current weather

Glen Carbon, Sunday, 9 August, 09:21

Partly cloudy. Feels like 79°. High 96°, low 72°.

Pressure30.03 inHg
Wind1 mph W
Humidity87%
Visibility6.2 mi
Dew point74°

10-day forecast for Glen Carbon, IL: 64° to 102°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

102°
Best day: Monday, August 10
90° · 0.22 in
Worst day: Thursday, August 13

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

Mon, 10102° / 75°0Clear
MorningClear78°feels 79°
AfternoonMostly clear101°feels 112°
EveningPartly cloudy87°feels 90°
OvernightClear81°feels 85°
102 °Clear

Glen Carbon, Monday, 10 August

Clear. High 102°, low 75°.

Pressure29.94 inHg
Wind10.7 mph SW
Humidity47%
Visibility6.2 mi
Dew point70°
Tue, 1199° / 75°0.01Light rain
MorningOvercast79°feels 79°
AfternoonClear99°feels 105°
EveningOvercast87°feels 88°
OvernightLight rain76°feels 77°
99 °Light rain

Glen Carbon, Tuesday, 11 August

Light rain. High 99°, low 75°.

Pressure29.91 inHg
Wind7.5 mph SW
Humidity47%
Visibility6.2 mi
Dew point70°
Wed, 1291° / 75°0.04Light rain
MorningOvercast77°feels 78°
AfternoonOvercast84°feels 91°
EveningMostly clear83°feels 90°
OvernightOvercast84°feels 85°
91 °Light rain

Glen Carbon, Wednesday, 12 August

Light rain. High 91°, low 75°.

Pressure29.85 inHg
Wind5.5 mph NW
Humidity63%
Visibility6.2 mi
Dew point73°
Thu, 1390° / 71°0.22Rain
MorningLight rain72°feels 73°
AfternoonRain86°feels 92°
EveningRain84°feels 90°
OvernightOvercast78°feels 79°
90 °Rain

Glen Carbon, Thursday, 13 August

Rain. High 90°, low 71°.

Pressure29.85 inHg
Wind16.6 mph SE
Humidity64%
Visibility—
Dew point70°
Fri, 1486° / 70°0Overcast
MorningOvercast74°feels 77°
AfternoonOvercast83°feels 89°
EveningOvercast78°feels 79°
OvernightOvercast74°feels 75°
86 °Overcast

Glen Carbon, Friday, 14 August

Overcast. High 86°, low 70°.

Pressure29.97 inHg
Wind15.5 mph E
Humidity72%
Visibility—
Dew point72°
Sat, 1591° / 70°0Overcast
MorningOvercast75°feels 78°
AfternoonOvercast87°feels 96°
EveningOvercast83°feels 91°
OvernightOvercast76°feels 78°
91 °Overcast

Glen Carbon, Saturday, 15 August

Overcast. High 91°, low 70°.

Pressure30.06 inHg
Wind13.1 mph E
Humidity64%
Visibility—
Dew point71°
Sun, 1690° / 75°0Clear
MorningClear82°feels 84°
AfternoonClear86°feels 95°
EveningClear80°feels 84°
OvernightClear76°feels 77°
90 °Clear

Glen Carbon, Sunday, 16 August

Clear. High 90°, low 75°.

Pressure30.03 inHg
Wind13.2 mph N
Humidity65%
Visibility—
Dew point73°
Mon, 1780° / 64°0Overcast
MorningOvercast68°feels 68°
AfternoonOvercast78°feels 78°
EveningOvercast74°feels 75°
OvernightOvercast70°feels 70°
80 °Overcast

Glen Carbon, Monday, 17 August

Overcast. High 80°, low 64°.

Pressure30.09 inHg
Wind8.2 mph NE
Humidity58%
Visibility—
Dew point61°
Tue, 1898° / 65°0.13Light rain
MorningLight rain73°feels 74°
AfternoonLight rain88°feels 92°
EveningLight rain84°feels 92°
OvernightLight rain74°feels 75°
98 °Light rain

Glen Carbon, Tuesday, 18 August

Light rain. High 98°, low 65°.

Pressure29.83 inHg
Wind12.8 mph S
Humidity50%
Visibility—
Dew point65°

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 Glen Carbon, 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.