Belleville, IL Current Weather Conditions

Current weather observations and 72-hour history for Belleville, IL.  •  View 5-Day Forecast ›

Current Conditions — Belleville, IL

ALTON/ST LOUIS R (KALN)

Mostly Cloudy

89.6 F

Humidity:%
Wind Speed:W 9.2 mph
Barometer: in
Dewpoint: F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Jul 18 2026, 12:50 PM CDT
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Hourly Observation History — Belleville, IL

Time Wind
(mph)
Vis
(mi)
Weather Precip (in) Temperature (F) Relative
Humidity
Wind
Chill
(F)
Heat
Index
(F)
Pressure
Air Dwpt altimeter
(in)
sea level
(mb)
12:50 PM CDT W 9.2 10.00 Mostly Cloudy -- 89.6 % NA NA M
11:50 AM CDT W 11.4 G 20.8 10.00 Mostly Cloudy -- 89.6 % NA NA M
10:50 AM CDT G 24.2 10.00 Mostly Clear -- 87.8 % NA NA M
09:50 AM CDT W 11.4 10.00 Mostly Clear -- 86.0 % NA NA M
08:50 AM CDT W 10.3 10.00 Clear -- 82.4 % NA NA M
07:50 AM CDT W 8.1 10.00 Clear -- 80.6 % NA NA M
06:50 AM CDT 8.1 10.00 Clear -- 77.0 % NA NA M
11:55 PM CDT 0.0 10.00 Clear -- 77.9 % NA NA M
11:35 PM CDT 0.0 10.00 Clear -- 77.7 % NA NA M
11:15 PM CDT 3.4 10.00 Clear -- 78.4 % NA NA M
10:55 PM CDT 0.0 10.00 Clear -- 79.2 % NA NA M
10:35 PM CDT SW 4.7 10.00 NULL -- 78.8 % NA NA M
10:15 PM CDT SW 4.6 10.00 Clear -- 79.5 % NA NA M
09:45 PM CDT SW 4.7 10.00 Clear -- 78.8 % NA NA M
08:50 PM CDT 4.7 10.00 Clear -- 80.6 % NA NA M
07:50 PM CDT W 5.8 10.00 Clear -- 86.0 % NA NA M
06:50 PM CDT 8.1 10.00 Clear -- 87.8 % NA NA M
05:45 PM CDT W 8.1 10.00 Clear -- 89.6 % NA NA M
04:50 PM CDT 8.1 G 20.8 10.00 Partly Cloudy -- 89.6 % NA NA M
03:50 PM CDT W 11.4 10.00 Partly Cloudy -- 89.6 % NA NA M
02:50 PM CDT 10.3 10.00 Mostly Cloudy -- 89.6 % NA NA M
01:50 PM CDT W 9.2 10.00 Partly Cloudy -- 89.6 % NA NA M
12:50 PM CDT W 9.2 10.00 Partly Cloudy -- 87.8 % NA NA M
11:50 AM CDT 10.00 Mostly Clear -- NULL % NA NA M

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