Marengo, IL Current Weather Conditions

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

▼Current Conditions — Marengo, IL

JANESVILLE/ROCK (KJVL)

Clear

51.8 F

Humidity:	58%
Wind Speed:	SW 15.0 mph
Barometer:	30.40 in
Dewpoint:	37.4 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Oct 18 2026, 09:45 AM CDT

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▼Hourly Observation History — Marengo, 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)
09:45 AM CDT	SW 15.0	10.00	Clear	--	51.8	37.4	58%	NA	NA	30.40	1029.5
08:45 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
06:45 AM CDT	9.2	10.00	Clear	--	39.2	33.8	81%	33.1	NA	30.41	1029.8
05:45 AM CDT	8.1	10.00	Clear	--	39.2	33.8	81%	33.6	NA	30.40	1029.5
05:15 AM CDT	8.1	10.00	Clear	--	37.4	32.0	81%	31.5	NA	30.40	1029.5
04:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
04:35 AM CDT	6.9	10.00	Clear	--	39.2	32.0	75%	34.2	NA	30.39	1029.1
04:15 AM CDT	6.9	10.00	Clear	--	39.2	32.0	75%	34.2	NA	30.39	1029.1
03:55 AM CDT	SW 8.1	10.00	Clear	--	39.2	32.0	75%	33.6	NA	30.38	1028.8
03:35 AM CDT	8.1	10.00	NULL	--	39.2	32.0	75%	33.6	NA	30.38	1028.8
03:15 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
02:55 AM CDT	6.9	10.00	Clear	--	39.2	32.0	75%	34.2	NA	30.38	1028.8
02:35 AM CDT	6.9	10.00	Clear	--	41.0	32.0	70%	36.3	NA	30.38	1028.8
02:15 AM CDT	8.1	10.00	Clear	--	41.0	32.0	70%	35.8	NA	30.38	1028.8
01:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
01:35 AM CDT	8.1	10.00	NULL	--	41.0	32.0	70%	35.8	NA	30.38	1028.8
01:15 AM CDT	S 6.9	10.00	Clear	--	41.0	32.0	70%	36.3	NA	30.38	1028.8
12:55 AM CDT	5.8	10.00	Clear	--	41.0	32.0	70%	37.0	NA	30.38	1028.8
12:35 AM CDT	6.9	10.00	Clear	--	41.0	32.0	70%	36.3	NA	30.38	1028.8
12:15 AM CDT	8.1	10.00	Clear	--	42.8	32.0	65%	37.9	NA	30.38	1028.8
11:55 PM CDT	SW 8.1	10.00	Clear	--	41.0	32.0	70%	35.8	NA	30.39	1029.1
11:35 PM CDT	8.1	10.00	Clear	--	42.8	32.0	65%	37.9	NA	30.39	1029.1
11:15 PM CDT	8.1	10.00	Clear	--	41.0	32.0	70%	35.8	NA	30.39	1029.1
10:55 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
10:35 PM CDT	6.9	10.00	Clear	--	42.8	32.0	65%	38.5	NA	30.39	1029.1
10:15 PM CDT	8.1	10.00	Clear	--	42.8	32.0	65%	37.9	NA	30.39	1029.1
09:55 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
09:35 PM CDT	6.9	10.00	Clear	--	42.8	30.2	61%	38.5	NA	30.40	1029.5
09:15 PM CDT	6.9	10.00	Clear	--	42.8	30.2	61%	38.5	NA	30.40	1029.5
08:45 PM CDT	6.9	10.00	Clear	--	44.6	28.4	53%	40.6	NA	30.40	1029.5
07:45 PM CDT	5.8	10.00	Clear	--	46.4	28.4	49%	43.5	NA	30.40	1029.5
06:45 PM CDT	6.9	10.00	Clear	--	NULL	28.4	%	NA	NA	30.40	1029.5
05:45 PM CDT	9.2	10.00	Clear	--	53.6	26.6	35%	NA	NA	30.40	1029.5
04:45 PM CDT	12.8 G 18.3	10.00	Clear	--	55.4	24.8	30%	NA	NA	30.40	1029.5
03:45 PM CDT	SW 12.8 G 19.7	10.00	Clear	--	57.2	24.8	29%	NA	NA	30.42	1030.1
02:50 PM CDT		10.00	Clear	--	57.2	24.8	29%	NA	NA	30.44	1030.8
12:45 PM CDT	SW 9.2	10.00	Clear	--	53.6	24.8	32%	NA	NA	30.51	1032.9
11:45 AM CDT	9.2	10.00	Clear	--	53.6		%	NA	NA	30.53	1033.9
10:45 AM CDT	S 9.2	10.00	Clear	--	48.2	28.4	46%	44.1	NA	30.54	1034.2
09:45 AM CDT	0.0	10.00	Clear	--	42.8	33.8	70%	NA	NA	30.54	1034.2
08:45 AM CDT	0.0	10.00	Clear	--	37.4	33.8	87%	NA	NA	30.54	1034.2
07:45 AM CDT	0.0	10.00	NULL	--	33.8	30.2	86%	NA	NA		M
06:45 AM CDT	0.0	10.00	Clear	--	32.0	32.0	100%	NA	NA	30.52	1033.5
05:45 AM CDT	0.0	10.00	NULL	--	33.8	32.0	93%	NA	NA	30.51	1033.2
05:15 AM CDT	0.0	10.00	Clear	--	32.0	32.0	100%	NA	NA	30.51	1033.2
04:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
04:35 AM CDT	0.0	10.00	Clear	--	32.0	32.0	100%	NA	NA	30.51	1033.2
04:10 AM CDT	3.4	10.00	Clear	--	32.0	32.0	100%	28.8	NA	30.51	1033.2
03:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
03:35 AM CDT	3.4	10.00	Clear	--	33.8	32.0	93%	30.9	NA	30.51	1032.9
03:15 AM CDT	0.0	10.00	Clear	--	33.8	32.0	93%	NA	NA	30.51	1032.9
02:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
02:35 AM CDT	0.0	10.00	Clear	--	33.8	32.0	93%	NA	NA	30.51	1032.9
02:15 AM CDT	3.4	10.00	Clear	--	35.6	32.0	87%	32.9	NA	30.49	1032.5
01:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
01:35 AM CDT	W 3.4	10.00	Clear	--	33.8	32.0	93%	30.9	NA	30.48	1032.2
01:15 AM CDT	0.0	10.00	Clear	--	35.6	32.0	87%	NA	NA	30.48	1032.2
12:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
12:35 AM CDT	4.7	10.00	Clear	--	37.4	32.0	81%	33.6	NA	30.48	1032.2
12:15 AM CDT	5.8	10.00	Clear	--	37.4	32.0	81%	32.7	NA	30.47	1031.8
11:55 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
11:35 PM CDT	5.8	10.00	Clear	--	39.2	32.0	75%	34.9	NA	30.47	1031.8
11:15 PM CDT	5.8	10.00	Clear	--	41.0	32.0	70%	37.0	NA	30.47	1031.8
10:55 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
10:35 PM CDT	8.1	10.00	Clear	--	42.8	32.0	65%	37.9	NA	30.46	1031.5
10:15 PM CDT	G 16.1	10.00	Clear	--	NULL		%	NA	NA		M
09:55 PM CDT	12.8 G 17.2	10.00	Clear	--	42.8	32.0	65%	36.1	NA	30.44	1030.8
09:35 PM CDT	9.2	10.00	Clear	--	42.8	32.0	65%	37.4	NA	30.43	1030.5
09:15 PM CDT	9.2 G 16.1	10.00	Clear	--	44.6	32.0	61%	39.7	NA	30.42	1030.1
08:45 PM CDT	13.9	10.00	Clear	--	46.4	33.8	61%	40.3	NA	30.40	1029.5
07:45 PM CDT	15.0	10.00	Clear	--	46.4	33.8	61%	40.1	NA		M
06:45 PM CDT	10.3	10.00	Partly Cloudy	--	48.2	35.6	62%	43.7	NA	30.34	1027.4