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)

Mostly Cloudy

89.6 F

Humidity:	59%
Wind Speed:	6.9 mph
Barometer:	29.99 in
Dewpoint:	73.4 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	98.2 F
Wind Chill:	NA

Jul 18 2026, 12:10 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)
12:10 PM CDT	6.9	10.00	Mostly Cloudy	--	89.6	73.4	59%	NA	98.2	29.99	1015.6
12:00 PM CDT	W 11.5 G 18.4	10.00	Mostly Clear	--	89.6	73.4	59%	NA	98.2	29.99	1015.6
11:45 AM CDT	W 8.1	10.00	Mostly Clear	--	89.6	75.2	63%	NA	100.2	30.00	1015.9
11:35 AM CDT	8.1	10.00	Mostly Clear	--	89.6	73.4	59%	NA	98.2	29.99	1015.6
11:20 AM CDT	W 9.2	10.00	Mostly Clear	--	89.6	75.2	63%	NA	100.2	30.00	1015.9
11:10 AM CDT	W 6.9	10.00	Mostly Clear	--	87.8	75.2	66%	NA	97.7	30.00	1015.9
11:00 AM CDT	11.5	10.00	Clear	--	89.6	75.2	63%	NA	100.2	30.00	1015.9
10:50 AM CDT	W 8.1	10.00	Mostly Clear	--	87.8	75.2	66%	NA	97.7	30.00	1015.9
10:45 AM CDT	6.9	10.00	Clear	--	87.8	75.2	66%	NA	97.7	30.00	1015.9
10:40 AM CDT	W 6.9	10.00	Mostly Clear	--	87.8	75.2	66%	NA	97.7	30.00	1015.9
10:35 AM CDT	8.1	10.00	Mostly Clear	--	87.8	75.2	66%	NA	97.7	30.00	1015.9
10:30 AM CDT	8.1	10.00	Mostly Clear	--	87.8	75.2	66%	NA	97.7	30.00	1015.9
10:20 AM CDT	W 9.2	10.00	Mostly Clear	--	87.8	73.4	62%	NA	95.9	30.01	1016.3
10:15 AM CDT	W 11.5 G 19.6	10.00	Mostly Clear	--	87.8	75.2	66%	NA	97.7	30.01	1016.3
10:10 AM CDT	W 4.6	10.00	Clear	--	87.8	75.2	66%	NA	97.7	30.01	1016.3
10:00 AM CDT	W 8.1	10.00	Clear	--	87.8	73.4	62%	NA	95.9	30.01	1016.3
09:50 AM CDT	W 6.9	10.00	Clear	--	86.0	73.4	66%	NA	93.4	30.01	1016.3
09:40 AM CDT	W 6.9	10.00	Clear	--	86.0	75.2	70%	NA	95.2	30.01	1016.3
09:35 AM CDT	W 5.7	10.00	Clear	--	86.0	75.2	70%	NA	95.2	30.01	1016.3
09:30 AM CDT	8.1	10.00	Clear	--	84.2	73.4	70%	NA	90.9	30.01	1016.3
09:15 AM CDT	W 5.7	10.00	Clear	--	84.2	73.4	70%	NA	90.9	30.01	1016.3
09:10 AM CDT	W 5.7	10.00	Clear	--	84.2	73.4	70%	NA	90.9	30.02	1016.6
09:00 AM CDT	W 8.1	10.00	Clear	--	84.2	73.4	70%	NA	90.9	30.02	1016.6
08:45 AM CDT	8.1	10.00	Clear	--	84.2	73.4	70%	NA	90.9	30.03	1016.9
08:40 AM CDT	W 6.9	10.00	Clear	--	84.2	73.4	70%	NA	90.9	30.03	1016.9
08:35 AM CDT	W 5.7	10.00	Clear	--	82.4	73.4	74%	NA	88.3	30.02	1016.6
08:25 AM CDT	4.6	10.00	Clear	--	82.4	73.4	74%	NA	88.3	30.03	1016.9
08:20 AM CDT	4.6	10.00	Clear	--	82.4	73.4	74%	NA	88.3	30.03	1016.9
08:15 AM CDT	5.7	10.00	Clear	--	82.4	73.4	74%	NA	88.3	30.02	1016.6
08:10 AM CDT	3.4	10.00	Clear	--	80.6	73.4	79%	NA	85.3	30.03	1016.9
08:05 AM CDT	5.7	10.00	Clear	--	80.6	73.4	79%	NA	85.3	30.03	1016.9
07:50 AM CDT	W 4.6	10.00	Clear	--	80.6	73.4	79%	NA	85.3	30.03	1016.9
07:45 AM CDT	4.6	10.00	Clear	--	80.6	73.4	79%	NA	85.3	30.03	1016.9
07:40 AM CDT	4.6	10.00	Clear	--	80.6	73.4	79%	NA	85.3	30.03	1016.9
07:35 AM CDT	W 3.4	10.00	Clear	--	80.6	73.4	79%	NA	85.3	30.03	1016.9
07:25 AM CDT	W 4.6	10.00	Clear	--	78.8	71.6	79%	NA	81.7	30.03	1016.9
07:20 AM CDT	W 5.7	10.00	Clear	--	78.8	71.6	79%	NA	81.7	30.03	1016.9
07:15 AM CDT	3.4	10.00	Clear	--	78.8	71.6	79%	NA	81.7	30.03	1016.9
07:10 AM CDT	0.0	10.00	Clear	--	78.8	71.6	79%	NA	81.7	30.03	1016.9
07:05 AM CDT	SW 3.4	10.00	Clear	--	78.8	71.6	79%	NA	81.7	30.03	1016.9
07:00 AM CDT	SW 4.6	10.00	Clear	--	78.8	71.6	79%	NA	81.7	30.03	1016.9
06:50 AM CDT	3.4	10.00	Clear	--	77.0	71.6	83%	NA	78.3	30.03	1016.9
06:45 AM CDT	3.4	10.00	Clear	--	77.0	71.6	83%	NA	78.3	30.03	1016.9
06:35 AM CDT	3.4	10.00	Clear	--	75.2	71.6	89%	NA	76.6	30.03	1016.9
06:30 AM CDT	4.6	10.00	Clear	--	77.0	71.6	83%	NA	78.3	30.03	1016.9
06:20 AM CDT	4.6	10.00	Clear	--	77.0	71.6	83%	NA	78.3	30.03	1016.9
06:15 AM CDT	SW 3.4	10.00	Clear	--	75.2	71.6	89%	NA	76.6	30.03	1016.9
06:10 AM CDT	SW 4.6	10.00	Clear	--	75.2	71.6	89%	NA	76.6	30.03	1016.9
06:00 AM CDT	SW 3.4	10.00	Clear	--	75.2	71.6	89%	NA	76.6	30.03	1016.9
05:50 AM CDT	SW 3.4	10.00	Clear	--	75.2	71.6	89%	NA	76.6	30.03	1016.9
05:40 AM CDT	SW 3.4	10.00	Clear	--	75.2	71.6	89%	NA	76.6	30.02	1016.6
05:35 AM CDT	SW 3.4	10.00	Clear	--	75.2	71.6	89%	NA	76.6	30.02	1016.6
05:30 AM CDT	SW 3.4	10.00	Clear	--	75.2	71.6	89%	NA	76.6	30.02	1016.6
05:15 AM CDT	SW 3.4	10.00	Clear	--	75.2	73.4	94%	NA	76.8	30.02	1016.6
05:10 AM CDT	0.0	10.00	Clear	--	75.2	73.4	94%	NA	76.8	30.01	1016.3
05:05 AM CDT	SW 3.4	10.00	Clear	--	75.2	73.4	94%	NA	76.8	30.01	1016.3
04:53 AM CDT	3.4	10.00	Clear	--	75.9	73.0	91%	NA	77.5	30.02	1016.6
04:45 AM CDT	4.6	10.00	Clear	--	75.2	73.4	94%	NA	76.8	30.01	1016.3
04:35 AM CDT	4.6	10.00	Clear	--	77.0	73.4	89%	NA	78.6	30.01	1016.3
04:30 AM CDT	4.6	10.00	Clear	--	77.0	73.4	89%	NA	78.6	30.01	1016.3
04:20 AM CDT	SW 3.4	10.00	Clear	--	77.0	73.4	89%	NA	78.6	30.01	1016.3
04:10 AM CDT	SW 4.6	10.00	Clear	--	77.0	73.4	89%	NA	78.6	30.01	1016.3
04:00 AM CDT	SW 5.7	10.00	Clear	--	77.0	73.4	89%	NA	78.6	30.01	1016.3
03:50 AM CDT	5.7	10.00	Clear	--	77.0	73.4	89%	NA	78.6	30.01	1016.3
03:45 AM CDT	4.6	10.00	Clear	--	77.0	73.4	89%	NA	78.6	30.01	1016.3
03:40 AM CDT	4.6	10.00	Clear	--	77.0	73.4	89%	NA	78.6	30.02	1016.6
03:35 AM CDT	4.6	10.00	Clear	--	77.0	73.4	89%	NA	78.6	30.02	1016.6
03:25 AM CDT	5.7	10.00	Clear	--	77.0	73.4	89%	NA	78.6	30.01	1016.3
03:20 AM CDT	SW 4.6	10.00	Clear	--	77.0	73.4	89%	NA	78.6	30.01	1016.3
03:15 AM CDT	SW 3.4	10.00	Clear	--	77.0	73.4	89%	NA	78.6	30.01	1016.3
03:10 AM CDT	4.6	10.00	Clear	--	77.0	73.4	89%	NA	78.6	30.01	1016.3
03:05 AM CDT	3.4	10.00	Clear	--	77.0	73.4	89%	NA	78.6	30.01	1016.3