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)

Light Rain

73.4 F

Humidity:	100%
Wind Speed:	0.0 mph
Barometer:	29.92 in
Dewpoint:	73.4 F
Visibility:	7.00 mi
Precip:	--
Heat Index:	75.2 F
Wind Chill:	NA

Sep 3 2026, 02:10 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)
02:10 AM CDT	0.0	7.00	Light Rain	--	73.4	73.4	100%	NA	75.2	29.92	1013.2
01:50 AM CDT	0.0	10.00	Mostly Cloudy	--	73.4	71.6	94%	NA	74.8	29.92	1013.2
01:30 AM CDT	0.0	10.00	Partly Cloudy	--	75.2	71.6	89%	NA	76.6	29.92	1013.2
01:10 AM CDT	0.0	10.00	Partly Cloudy	--	73.4	71.6	94%	NA	74.8	29.92	1013.2
12:50 AM CDT	0.0	10.00	Partly Cloudy	--	75.2	71.6	89%	NA	76.6	29.92	1013.2
12:35 AM CDT	0.0	10.00	Clear	--	75.2	71.6	89%	NA	76.6	29.92	1013.2
12:15 AM CDT	0.0	10.00	Clear	--	73.4	71.6	94%	NA	74.8	29.92	1013.2
11:55 PM CDT	0.0	10.00	Clear	--	75.2	71.6	89%	NA	76.6	29.92	1013.2
11:35 PM CDT	0.0	10.00	Clear	--	73.4	73.4	100%	NA	75.2	29.94	1013.6
11:15 PM CDT	0.0	5.00	Fog/Mist	--	73.4	71.6	94%	NA	74.8	29.92	1013.2
10:55 PM CDT	0.0	10.00	Clear	--	75.2	71.6	89%	NA	76.6	29.92	1013.2
10:35 PM CDT	0.0	10.00	Clear	--	77.0	73.4	89%	NA	78.6	29.92	1013.2
10:15 PM CDT	0.0	10.00	NULL	--	75.2	71.6	89%	NA	76.6	29.92	1013.2
09:55 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
09:35 PM CDT	0.0	10.00	Clear	--	77.0	73.4	89%	NA	78.6	29.92	1013.2
09:15 PM CDT	0.0	10.00	Clear	--	77.0	73.4	89%	NA	78.6	29.92	1013.2
08:45 PM CDT	0.0	10.00	Clear	--	78.8	75.2	89%	NA	82.4	29.92	1013.2
07:45 PM CDT	0.0	10.00	NULL	--	80.6	75.2	84%	NA	86.2	29.89	1012.2
06:45 PM CDT	0.0	10.00	Partly Cloudy	--	84.2	75.2	74%	NA	92.5	29.90	1012.5
05:45 PM CDT	0.0	10.00	Partly Cloudy	--	86.0	75.2	70%	NA	95.2	29.90	1012.5
04:45 PM CDT	W 3.4	10.00	Partly Cloudy	--	87.8	75.2	66%	NA	97.7	29.91	1012.9
03:45 PM CDT	SW 6.9	10.00	Partly Cloudy	--	89.6	73.4	59%	NA	98.2	29.91	1012.9
02:45 PM CDT	W 9.2	10.00	Clear	--	91.4	73.4	56%	NA	100.6	29.92	1013.2
01:45 PM CDT	5.8	10.00	Partly Cloudy	--	87.8	73.4	62%	NA	95.9	29.94	1013.6
12:45 PM CDT	W 6.9	10.00	Mostly Cloudy	--	87.8	73.4	62%	NA	95.9	29.94	1013.9
11:45 AM CDT	8.1	10.00	Cloudy	--	84.2	73.4	70%	NA	90.9	29.95	1014.2
10:45 AM CDT	S 8.1	10.00	Mostly Cloudy	--	82.4	71.6	70%	NA	87.3	29.94	1013.9
09:45 AM CDT	5.8	10.00	Mostly Cloudy	--	82.4	73.4	74%	NA	88.3	29.94	1013.9
08:45 AM CDT	4.7	10.00	Mostly Cloudy	--	77.0	73.4	89%	NA	78.6	29.96	1014.6
07:45 AM CDT	S 5.8	10.00	Mostly Cloudy	--	75.2	71.6	89%	NA	76.6	29.97	1014.9
06:45 AM CDT	0.0	10.00	Mostly Cloudy	--	71.6	69.8	94%	NA	72.9	29.96	1014.6
05:45 AM CDT	3.4	10.00	Mostly Cloudy	--	73.4	69.8	89%	NA	74.7	29.94	1013.9
05:15 AM CDT	3.4	10.00	Partly Cloudy	--	73.4	69.8	89%	NA	74.7	29.94	1013.9
04:55 AM CDT	0.0	10.00	Partly Cloudy	--	71.6	69.8	94%	NA	72.9	29.94	1013.9
04:35 AM CDT	3.4	10.00	Partly Cloudy	--	73.4	69.8	89%	NA	74.7	29.95	1014.2
04:15 AM CDT	S 3.4	10.00	Partly Cloudy	--	73.4	69.8	89%	NA	74.7	29.95	1014.2
03:55 AM CDT	3.4	10.00	Mostly Cloudy	--	73.4	69.8	89%	NA	74.7	29.95	1014.2
03:35 AM CDT	0.0	10.00	Cloudy	--	75.2	69.8	83%	NA	76.3	29.94	1013.9
03:15 AM CDT	0.0	10.00	Mostly Cloudy	--	75.2	69.8	83%	NA	76.3	29.94	1013.9
02:55 AM CDT	0.0	10.00	Clear	--	73.4	69.8	89%	NA	74.7	29.94	1013.6
02:35 AM CDT	0.0	10.00	Clear	--	73.4	71.6	94%	NA	74.8	29.94	1013.6
02:15 AM CDT	S 3.4	10.00	Clear	--	75.2	71.6	89%	NA	76.6	29.94	1013.6
01:55 AM CDT	0.0	10.00	Clear	--	75.2	71.6	89%	NA	76.6	29.94	1013.6
01:35 AM CDT	0.0	10.00	Clear	--	73.4	71.6	94%	NA	74.8	29.94	1013.9
01:15 AM CDT	0.0	10.00	Clear	--	73.4	71.6	94%	NA	74.8	29.94	1013.9
12:55 AM CDT	0.0	10.00	Clear	--	75.2	71.6	89%	NA	76.6	29.95	1014.2
12:35 AM CDT	0.0	10.00	Clear	--	73.4	71.6	94%	NA	74.8	29.94	1013.9
12:15 AM CDT	S 3.4	10.00	Clear	--	77.0	71.6	83%	NA	78.3	29.94	1013.9
11:35 PM CDT	0.0	10.00	Clear	--	73.4	71.6	94%	NA	74.8	29.95	1014.2
11:15 PM CDT	0.0	10.00	Clear	--	77.0	73.4	89%	NA	78.6	29.95	1014.2
10:55 PM CDT	0.0	10.00	Clear	--	77.0	71.6	83%	NA	78.3	29.95	1014.2
10:35 PM CDT	0.0	10.00	Clear	--	78.8	73.4	84%	NA	82.0	29.95	1014.2
10:15 PM CDT	0.0	10.00	Clear	--	78.8	73.4	84%	NA	82.0	29.95	1014.2
09:55 PM CDT	0.0	10.00	Clear	--	78.8	73.4	84%	NA	82.0	29.95	1014.2
09:35 PM CDT	4.7	10.00	Partly Cloudy	--	80.6	73.4	79%	NA	85.3	29.94	1013.9
09:15 PM CDT	3.4	10.00	Partly Cloudy	--	80.6	75.2	84%	NA	86.2	29.94	1013.9
08:45 PM CDT	0.0	10.00	Clear	--	80.6	77.0	89%	NA	87.1	29.95	1014.2
07:45 PM CDT	3.4	10.00	Mostly Cloudy	--	84.2	78.8	84%	NA	96.1	29.92	1013.2
06:45 PM CDT	5.8	10.00	Mostly Cloudy	--	87.8	78.8	75%	NA	102.4	29.92	1013.2
05:45 PM CDT	SW 3.4	10.00	Mostly Cloudy	--	89.6	78.8	71%	NA	105.3	29.92	1013.2
04:45 PM CDT	W 4.7	10.00	Mostly Cloudy	--	89.6	75.2	63%	NA	100.2	29.94	1013.6
03:45 PM CDT	SW 11.4	10.00	Mostly Cloudy	--	91.4	77.0	63%	NA	105.1	29.94	1013.9
02:45 PM CDT	5.8	10.00	Mostly Cloudy	--	91.4	78.8	67%	NA	107.8	29.94	1013.9
01:45 PM CDT	NW 8.1	10.00	Thunderstorms	--	87.8	78.8	75%	NA	102.4	29.95	1014.2
12:45 PM CDT	5.8	10.00	Mostly Cloudy	--	87.8	78.8	75%	NA	102.4	29.96	1014.6
11:45 AM CDT	SW 8.1	10.00	Mostly Cloudy	--	84.2	77.0	79%	NA	94.1	29.97	1014.9
10:45 AM CDT	0.0	6.00	Haze	--	82.4	77.0	84%	NA	90.9	29.97	1014.9
09:45 AM CDT	4.7	6.00	Haze	--	80.6	75.2	84%	NA	86.2	29.97	1014.9
08:45 AM CDT	4.7	6.00	Haze	--	77.0	73.4	89%	NA	78.6	29.97	1014.9
07:45 AM CDT	3.4	6.00	Fog/Mist	--	73.4	73.4	100%	NA	75.2	29.97	1014.9
06:45 AM CDT	3.4	5.00	Fog/Mist	--	71.6	71.6	100%	NA	73.2	29.96	1014.6
05:45 AM CDT	SW 3.4	3.00	Fog/Mist	--	69.8	69.8	100%	NA	NA	29.94	1013.9