Glen Carbon, IL

Weather

As ofJun 30, 2026 7:20 PM

Current Temperature

90degrees Fahrenheit

Feels like:104°

Hi:--Lo:77°

Sunny

Glen Carbon, IL weather radar map

Windchill: 104°
Daily Rain: --"
Dew point: 77°
Monthly Rain: 6.9"
Humidity: 67%
Avg. Wind: S 9 mph
Pressure: --"
Wind Gust: -- mph
Sunrise: 5:38 AM
Moon: Waning Gibbous
Sunset: 8:28 PM
UV Index: 10 (Very High)

Tonight
Lo
Clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 109 early this evening.
Tomorrow
Hi
Sunny hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 108.

Glen Carbon, IL 10-day weather forecast

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Air Quality Index: 51|Moderate
Top Triggers:: pm25

View Today's Air Quality details for Glen Carbon, IL

Pollen Count: 5.7|Medium
Predominant Pollen:: Grass, Plantain, Nettle

Glen Carbon, IL Pollen forecast details

Closest strike in the last 30 minutes:378.7 miles

No Lightning Nearby

Glen Carbon, IL real-time lightning alerts & live Map

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