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

78.8 F

Humidity:	39%
Wind Speed:	8.1 mph
Barometer:	29.89 in
Dewpoint:	51.8 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	78.3 F
Wind Chill:	NA

Apr 26 2026, 02:05 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)
02:05 PM CDT	8.1	10.00	Clear	--	78.8	51.8	39%	NA	78.3	29.89	1012.2
01:53 PM CDT	8.1 G 19.7	10.00	Clear	--	79.0	53.1	41%	NA	78.4	29.89	1012.2
01:50 PM CDT	10.4	10.00	Clear	--	78.8	53.6	42%	NA	78.3	29.89	1012.2
01:40 PM CDT	E 10.4	10.00	Clear	--	78.8	55.4	45%	NA	78.4	29.90	1012.5
01:35 PM CDT	E 9.2	10.00	Clear	--	78.8	53.6	42%	NA	78.3	29.90	1012.5
01:30 PM CDT	9.2	10.00	Clear	--	78.8	55.4	45%	NA	78.4	29.90	1012.5
01:25 PM CDT	11.5 G 17.3	10.00	Clear	--	78.8	53.6	42%	NA	78.3	29.91	1012.9
01:15 PM CDT	SE 10.4 G 17.3	10.00	Clear	--	78.8	53.6	42%	NA	78.3	29.91	1012.9
01:10 PM CDT	SE 10.4	10.00	Clear	--	78.8	53.6	42%	NA	78.3	29.91	1012.9
01:05 PM CDT	SE 13.8	10.00	Clear	--	78.8	53.6	42%	NA	78.3	29.91	1012.9
12:40 PM CDT	11.5	10.00	Clear	--	78.8	55.4	45%	NA	78.4	29.93	1013.5
12:35 PM CDT	5.7	10.00	Clear	--	77.0	55.4	47%	NA	76.6	29.93	1013.5
12:25 PM CDT	11.5	10.00	Clear	--	77.0	55.4	47%	NA	76.6	29.93	1013.5
12:10 PM CDT	SE 10.4 G 16.1	10.00	Clear	--	77.0	55.4	47%	NA	76.6	29.94	1013.9
12:05 PM CDT	9.2	10.00	Clear	--	75.2	55.4	50%	NA	74.8	29.94	1013.9
12:00 PM CDT	10.4	10.00	Clear	--	75.2	55.4	50%	NA	74.8	29.94	1013.9
11:45 AM CDT	12.7	10.00	Clear	--	75.2	55.4	50%	NA	74.8	29.94	1013.9
11:30 AM CDT	8.1	10.00	Clear	--	75.2	55.4	50%	NA	74.8	29.95	1014.2
11:25 AM CDT	10.4	10.00	Clear	--	73.4	55.4	53%	NA	72.9	29.95	1014.2
11:10 AM CDT	S 10.4	10.00	Clear	--	73.4	55.4	53%	NA	72.9	29.95	1014.2
11:00 AM CDT	6.9	10.00	Clear	--	73.4	55.4	53%	NA	72.9	29.95	1014.2
10:50 AM CDT	SE 5.7	10.00	Clear	--	71.6	55.4	57%	NA	71.1	29.95	1014.2
10:35 AM CDT	SE 8.1	10.00	Clear	--	71.6	55.4	57%	NA	71.1	29.96	1014.6
10:30 AM CDT	SE 6.9	10.00	Clear	--	71.6	55.4	57%	NA	71.1	29.96	1014.6
10:20 AM CDT	SE 8.1	10.00	Clear	--	71.6	55.4	57%	NA	71.1	29.96	1014.6
10:15 AM CDT	SE 9.2	10.00	Clear	--	69.8	53.6	56%	NA	NA	29.95	1014.2
10:05 AM CDT	SE 11.5	10.00	Clear	--	69.8	55.4	60%	NA	NA	29.95	1014.2
09:50 AM CDT	8.1	10.00	Clear	--	69.8	53.6	56%	NA	NA	29.95	1014.2
09:45 AM CDT	SE 8.1	10.00	Clear	--	68.0	55.4	64%	NA	NA	29.95	1014.2
09:35 AM CDT	6.9	10.00	Clear	--	68.0	53.6	60%	NA	NA	29.95	1014.2
08:30 AM CDT	8.1	10.00	Clear	--	62.6	53.6	72%	NA	NA	29.96	1014.6
08:25 AM CDT	4.6	10.00	Clear	--	62.6	53.6	72%	NA	NA	29.96	1014.6
08:20 AM CDT	4.6	10.00	Clear	--	62.6	53.6	72%	NA	NA	29.96	1014.6
08:05 AM CDT	4.6	10.00	Clear	--	60.8	51.8	72%	NA	NA	29.96	1014.6
07:50 AM CDT	SE 4.6	10.00	Clear	--	59.0	51.8	77%	NA	NA	29.96	1014.6
07:45 AM CDT	3.4	10.00	Clear	--	59.0	51.8	77%	NA	NA	29.96	1014.6
07:30 AM CDT	0.0	10.00	Clear	--	57.2	51.8	82%	NA	NA	29.96	1014.6
07:20 AM CDT	0.0	10.00	Clear	--	57.2	51.8	82%	NA	NA	29.95	1014.2
07:00 AM CDT	0.0	10.00	Clear	--	53.6	50.0	88%	NA	NA	29.94	1013.9
06:45 AM CDT		10.00	Clear	--	53.6	48.2	82%	NA	NA	29.94	1013.9
06:35 AM CDT		10.00	Clear	--	51.8	48.2	87%	NA	NA	29.94	1013.9
06:30 AM CDT	E 3.4	10.00	Clear	--	53.6	48.2	82%	NA	NA	29.93	1013.5
06:25 AM CDT	E 3.4	10.00	Clear	--	53.6	48.2	82%	NA	NA	29.93	1013.5
06:05 AM CDT	5.7	10.00	Clear	--	53.6	48.2	82%	NA	NA	29.92	1013.2
06:00 AM CDT	4.6	10.00	Clear	--	51.8	48.2	87%	NA	NA	29.92	1013.2
05:35 AM CDT	4.6	10.00	Clear	--	53.6	48.2	82%	NA	NA	29.92	1013.2
05:25 AM CDT	NE 5.7	10.00	Clear	--	53.6	48.2	82%	NA	NA	29.92	1013.2
05:20 AM CDT		10.00	Clear	--	53.6	48.2	82%	NA	NA	29.91	1012.9
05:05 AM CDT	6.9	10.00	Clear	--	53.6	48.2	82%	NA	NA	29.91	1012.9
05:00 AM CDT	8.1	10.00	Clear	--	53.6	48.2	82%	NA	NA	29.91	1012.9
04:45 AM CDT	8.1	10.00	Clear	--	53.6	48.2	82%	NA	NA	29.91	1012.9
04:40 AM CDT	8.1	10.00	Clear	--	53.6	48.2	82%	NA	NA	29.92	1013.2
04:30 AM CDT		10.00	Clear	--	55.4	48.2	77%	NA	NA	29.91	1012.9
04:20 AM CDT	6.9	10.00	Clear	--	55.4	48.2	77%	NA	NA	29.91	1012.9
04:10 AM CDT	6.9	10.00	Clear	--	55.4	48.2	77%	NA	NA	29.91	1012.9
04:05 AM CDT	NE 4.6	10.00	Clear	--	55.4	48.2	77%	NA	NA	29.91	1012.9
03:50 AM CDT	5.7	10.00	Clear	--	55.4	48.2	77%	NA	NA	29.91	1012.9
03:40 AM CDT	4.6	10.00	Clear	--	55.4	48.2	77%	NA	NA	29.91	1012.9
03:35 AM CDT	4.6	10.00	Clear	--	55.4	48.2	77%	NA	NA	29.91	1012.9
03:25 AM CDT	6.9	10.00	Clear	--	55.4	48.2	77%	NA	NA	29.90	1012.5
03:10 AM CDT	5.7	10.00	Clear	--	57.2	48.2	72%	NA	NA	29.90	1012.5
03:00 AM CDT	3.4	10.00	Clear	--	57.2	48.2	72%	NA	NA	29.90	1012.5
02:45 AM CDT	NE 4.6	10.00	Clear	--	57.2	48.2	72%	NA	NA	29.90	1012.5
02:40 AM CDT	3.4	10.00	Clear	--	57.2	48.2	72%	NA	NA	29.90	1012.5
02:35 AM CDT	3.4	10.00	Clear	--	57.2	48.2	72%	NA	NA	29.90	1012.5
02:25 AM CDT	0.0	10.00	Clear	--	57.2	48.2	72%	NA	NA	29.90	1012.5
02:20 AM CDT	0.0	10.00	Clear	--	57.2	46.4	67%	NA	NA	29.90	1012.5
02:10 AM CDT	0.0	10.00	Clear	--	59.0	46.4	63%	NA	NA	29.90	1012.5
02:00 AM CDT	0.0	10.00	Clear	--	57.2	46.4	67%	NA	NA	29.90	1012.5
01:50 AM CDT	3.4	10.00	Clear	--	59.0	46.4	63%	NA	NA	29.90	1012.5
01:35 AM CDT	4.6	10.00	Clear	--	57.2	46.4	67%	NA	NA	29.91	1012.9
01:20 AM CDT	3.4	10.00	Clear	--	60.8	46.4	59%	NA	NA	29.92	1013.2