New York, NY 72° Los Angeles, CA 89° 🌤️ Chicago, IL 🌤️ Houston, TX 🌤️ Miami, FL Phoenix, AZ 112° 🌤️ Seattle, WA 🌤️ Denver, CO Toronto, ON 66° 🌤️ Vancouver, BC
WeatherLive › Illinois › Glen Carbon

Glen Carbon, IL Weather (62034)

Today Hourly 10-Day Weekend Monthly Radar Air Quality Climate
Current WeatherGlen Carbon · 10:11 PM CDT
92° | 64°
78°F
Feels like 79°
Mostly cloudy
WindE 8 mph · Gusts 16 mph
Precip5% · –
Humidity60% · Dew point 63°
UV index8 Very high
Air Quality50 Good
Pressure30.00 inHg
Visibility6 mi
Sunrise / Sunset6:22 AM · 7:41 PM · 13h 19m

Weather map — Glen Carbon

Full radar →
Now
78°
14%
8 mph
23:00
77°
14%
8 mph
00:00
76°
14%
9 mph
01:00
75°
15%
6 mph
02:00
74°
15%
4 mph
03:00
74°
15%
6 mph
04:00
73°
16%
7 mph
05:00
73°
9%
6 mph
06:00
66°
15%
7 mph
07:00
67°
14%
7 mph
08:00
69°
12%
6 mph
09:00
72°
8%
5 mph
10:00
77°
5%
5 mph
11:00
81°
3%
5 mph
12:00
79°
17%
5 mph
13:00
83°
2%
6 mph
14:00
85°
2%
6 mph
15:00
87°
1%
5 mph
16:00
87°
1%
5 mph
17:00
87°
1%
5 mph
18:00
85°
3%
8 mph
19:00
82°
6%
8 mph
20:00
78°
7%
6 mph
21:00
77°
7%
5 mph

Today · Tue 8/25

High 92°
5% / –

Sunny. Winds E at 8 mph.

Tonight · Tue 8/25

Low 66°
14% / –

Mostly cloudy. Winds E at 8 mph.

Tomorrow · Wed 8/26

87° | 66°
17% / –

Sunny. Winds SE at 9 mph.

7-day trend

Glen Carbon · temperature + precipitation

10-day forecast

Updated 10:11 PM

Details & indices

Wind
8 mph E
Gusts 16 mph
Humidity
60%
Dew point 63°
Pressure
30.00 inHg
Rising
UV index
8 — Very high
High today
Air Quality
Good
AQI 50 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Glen Carbon

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
High
Ragweed
Moderate

Sun & moon

Sunrise6:22 AM
Sunset7:41 PM
Length of day13h 19m
Moonrise6:34 PM
Moonset3:36 AM
Moon phase🌔 Waxing Gibbous · 96%
Next full moonAug 27 Sturgeon Moon
Latitude38.7484°N
Longitude-89.9832°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Chicago
—
— 🌤️
Aurora
—
— 🌤️
Rockford
—
— 🌤️
Joliet
—
— 🌤️
Naperville
—
—
Data sources · Tuesday, August 25
Where the Glen Carbon forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 38.7484°N, -89.9832°.
NBM + global weather models
Updated: 10:11 PM
Weather in Glen Carbon
The 10-day span for Glen Carbon runs from a high near 100° on Wednesday down to 58° overnight on Thursday. Models drop roughly 0.33 in of precipitation across the stretch — watch Tuesday (64%). Wind is the one to watch: gusts to 36 mph around Tuesday. No watches or warnings are active for the area right now. Right now Glen Carbon is running about 22° warmer than Champaign. Longer view: variable mid-latitude weather in every season.
Glen Carbon, IL · Elev 466 ft · 38.75°N, 89.98°W · Illinois · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 10:11 PM