Waterloo, IL Current Weather Conditions

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

▼Current Conditions — Waterloo, IL

CAHOKIA/ST LOUIS (KCPS)

Clear

71.6 F

Humidity:	78%
Wind Speed:	0.0 mph
Barometer:	29.88 in
Dewpoint:	64.4 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	72.1 F
Wind Chill:	NA

May 16 2026, 11:15 PM CDT

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▼Hourly Observation History — Waterloo, IL

Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Temperature (F)		Relative Humidity	Wind Chill (F)	Heat Index (F)	Pressure
Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Air	Dwpt	Relative Humidity	Wind Chill (F)	Heat Index (F)	altimeter (in)	sea level (mb)
11:15 PM CDT	0.0	10.00	Clear	--	71.6	64.4	78%	NA	72.1	29.88	1011.9
11:10 PM CDT	0.0	10.00	Clear	--	71.6	64.4	78%	NA	72.1	29.88	1011.9
11:05 PM CDT	0.0	10.00	Clear	--	71.6	66.2	83%	NA	72.3	29.88	1011.9
10:53 PM CDT	3.4	10.00	Clear	--	72.0	66.0	82%	NA	72.7	29.87	1011.5
10:45 PM CDT	4.6	10.00	Clear	--	71.6	66.2	83%	NA	72.3	29.87	1011.5
10:35 PM CDT	4.6	10.00	Clear	--	71.6	66.2	83%	NA	72.3	29.87	1011.5
10:25 PM CDT	SE 3.4	10.00	Clear	--	71.6	66.2	83%	NA	72.3	29.87	1011.5
10:20 PM CDT	0.0	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.87	1011.5
10:15 PM CDT	S 3.4	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.86	1011.2
10:10 PM CDT	SE 3.4	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.86	1011.2
10:05 PM CDT	4.6	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.86	1011.2
09:45 PM CDT	6.9	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.85	1010.8
09:40 PM CDT	6.9	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.85	1010.8
09:35 PM CDT	9.2	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.85	1010.8
09:30 PM CDT	8.1	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.85	1010.8
09:25 PM CDT	S 6.9	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.85	1010.8
09:20 PM CDT	6.9	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.85	1010.8
09:10 PM CDT	6.9	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.85	1010.8
08:53 PM CDT	6.9	10.00	Clear	--	73.0	66.9	81%	NA	73.9	29.85	1010.8
08:50 PM CDT	5.7	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.85	1010.8
08:45 PM CDT	6.9	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.85	1010.8
08:35 PM CDT	5.7	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.85	1010.8
08:25 PM CDT	5.7	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.85	1010.8
08:20 PM CDT	5.7	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.85	1010.8
08:05 PM CDT	5.7	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.85	1010.8
08:00 PM CDT	5.7	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.85	1010.8
07:50 PM CDT	4.6	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.85	1010.8
07:40 PM CDT	8.1	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.85	1010.8
07:30 PM CDT	5.7	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.85	1010.8
07:15 PM CDT	11.5	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.85	1010.8
07:10 PM CDT	8.1	10.00	Mostly Clear	--	75.2	66.2	74%	NA	75.9	29.85	1010.8
07:05 PM CDT	9.2	10.00	Mostly Clear	--	75.2	66.2	74%	NA	75.9	29.84	1010.5
07:00 PM CDT	S 8.1	10.00	Partly Cloudy	--	75.2	66.2	74%	NA	75.9	29.84	1010.5
06:45 PM CDT	11.5	10.00	Partly Cloudy	--	75.2	66.2	74%	NA	75.9	29.84	1010.5
06:40 PM CDT	6.9	10.00	Partly Cloudy	--	75.2	66.2	74%	NA	75.9	29.85	1010.8
06:35 PM CDT	6.9	10.00	Partly Cloudy	--	75.2	66.2	74%	NA	75.9	29.85	1010.8
06:30 PM CDT	6.9	10.00	Mostly Clear	--	75.2	66.2	74%	NA	75.9	29.85	1010.8
06:25 PM CDT	S 5.7	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.85	1010.8
06:20 PM CDT	5.7	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.85	1010.8
06:10 PM CDT	SE 6.9	10.00	Clear	--	75.2	64.4	69%	NA	75.7	29.85	1010.8
06:00 PM CDT	SE 5.7	10.00	Clear	--	75.2	64.4	69%	NA	75.7	29.85	1010.8
05:45 PM CDT	SE 6.9	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.85	1010.8
05:40 PM CDT	3.4	10.00	Clear	--	75.2	64.4	69%	NA	75.7	29.86	1011.2
05:20 PM CDT	0.0	10.00	Clear	--	75.2	64.4	69%	NA	75.7	29.87	1011.5
05:10 PM CDT	5.7	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.87	1011.5
05:00 PM CDT	8.1	10.00	Clear	--	75.2	64.4	69%	NA	75.7	29.87	1011.5
04:50 PM CDT	10.4	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.88	1011.9
04:35 PM CDT	9.2	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.89	1012.2
04:30 PM CDT	SE 5.7	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.89	1012.2
04:20 PM CDT	4.6	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.90	1012.5
04:15 PM CDT	5.7	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.90	1012.5
04:10 PM CDT	E 6.9	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.91	1012.9
03:53 PM CDT	NE 4.7	10.00	Clear	--	75.0	66.0	74%	NA	75.7	29.91	1012.9
03:45 PM CDT	8.1	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.92	1013.2
03:40 PM CDT	9.2	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.92	1013.2
03:35 PM CDT	12.7	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.92	1013.2
03:20 PM CDT		10.00	Mostly Clear	--	73.4	66.2	78%	NA	74.1	29.91	1012.9
03:10 PM CDT	G 20.7	10.00	Mostly Clear	--	75.2	68.0	78%	NA	76.1	29.92	1013.2
03:00 PM CDT		10.00	Mostly Cloudy	--	75.2	69.8	83%	NA	76.3	29.93	1013.5
02:50 PM CDT	G 18.4	10.00	Mostly Cloudy	--	75.2	69.8	83%	NA	76.3	29.94	1013.9
02:45 PM CDT		10.00	Mostly Cloudy	--	75.2	69.8	83%	NA	76.3	29.94	1013.9
02:30 PM CDT	11.5	10.00	Light Rain	--	73.4	68.0	83%	NA	74.3	29.94	1013.9
02:25 PM CDT	11.5	10.00	Light Rain	--	73.4	68.0	83%	NA	74.3	29.94	1013.9
02:20 PM CDT		10.00	Light Rain	--	73.4	66.2	78%	NA	74.1	29.94	1013.9
02:10 PM CDT		10.00	Light Rain	--	75.2	69.8	83%	NA	76.3	29.94	1013.9
02:05 PM CDT		10.00	Light Rain	--	75.2	69.8	83%	NA	76.3	29.94	1013.9
01:53 PM CDT	10.3	10.00	Light Rain	00.01	77.0	71.1	82%	NA	78.3	29.94	1013.6
01:50 PM CDT	9.2	10.00	Light Rain	--	77.0	71.6	83%	NA	78.3	29.93	1013.5
01:40 PM CDT	E 3.4	10.00	Light Rain	--	77.0	69.8	78%	NA	78.1	29.91	1012.9
01:35 PM CDT	4.6	10.00	Light Rain	--	77.0	69.8	78%	NA	78.1	29.90	1012.5
01:25 PM CDT	6.9	10.00	Light Rain	--	77.0	69.8	78%	NA	78.1	29.89	1012.2
01:20 PM CDT	5.7	10.00	Light Rain	--	77.0	69.8	78%	NA	78.1	29.89	1012.2