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Glen Carbon Weather Today — Illinois, United States

Current temperature, rain chance, humidity, wind and air quality in Glen Carbon, plus an hourly and 3-day forecast. Updated through the day.

04:09
Sat, 19 Sep 2026
📍 Illinois, United States
Glen Carbon??
24
°C
Partly Cloudy
Feels 26°C  ·  75°F
💧 84% Humidity
💨 ↓ 10.1 km/h SSE
👁 10 km Visibility
🌧 0 mm Precip
30% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
0
Low
🔵 Pressure
1014
hPa  ·  29.95 in
💨 Wind
10.1
km/h  ·  Gust 18.7 km/h
SSE
💧 Humidity
84%
Dew point 21°C
👁 Visibility
10
km  ·  6 miles
🌡 Heat Index
26°
Wind chill 23.9°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:45 AM
🌇
Sunset
07:02 PM
📅 3-Day Forecast
Saturday
19 Sep 2026
Overcast
34°
/
22°
💧61%
🌧3.13mm
💨17
☀️UV 7.1
Sunday
20 Sep 2026
Overcast
33°
/
24°
💧46%
🌧0.18mm
💨14
☀️UV 5.9
Monday
21 Sep 2026
Overcast
29°
/
18°
💧74%
🌧0.23mm
💨22
☀️UV 6.1
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