Glen Carbon, IL

Weather

As ofJun 30, 2026 10:18 PM

Current Temperature

85degrees Fahrenheit

Feels like:94°

Hi:98°Lo:78°

Warm and Humid

Glen Carbon, IL weather radar map

Windchill: 94°
Daily Rain: 0"
Dew point: 76°
Monthly Rain: 6.9"
Humidity: 76%
Avg. Wind: S 2 mph
Pressure: 30" →
Wind Gust: SSE 7 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: 50|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:303.6 miles

No Lightning Nearby

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

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