Byron, IL Current Weather Conditions

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

▼Current Conditions — Byron, IL

FREEPORT (KFEP)

Mostly Cloudy

78.4 F

Humidity:	67%
Wind Speed:	15.0 G 28.9 mph
Barometer:	29.79 in
Dewpoint:	66.6 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	79.2 F
Wind Chill:	NA

Jul 21 2026, 11:15 AM CDT

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▼Hourly Observation History — Byron, 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 AM CDT	15.0 G 28.9	10.00	Mostly Cloudy	--	78.4	66.6	67%	NA	79.2	29.79	1008.8
10:55 AM CDT	17.2 G 23.0	10.00	Mostly Cloudy	--	79.3	69.1	71%	NA	82.0	29.79	1008.8
10:35 AM CDT	NW 15.0 G 18.3	10.00	Mostly Cloudy	--	78.6	68.5	71%	NA	79.5	29.78	1008.5
10:15 AM CDT	NW 12.8 G 19.7	10.00	Partly Cloudy	--	77.4	68.4	74%	NA	78.3	29.78	1008.5
09:55 AM CDT	19.7 G 23.0	10.00	Clear and Windy	--	77.7	69.1	75%	NA	78.6	29.77	1008.1
09:35 AM CDT	13.9 G 21.9	10.00	Clear	--	77.0	68.9	76%	NA	77.9	29.76	1007.8
09:15 AM CDT	NW 12.8 G 19.7	10.00	Clear	--	76.3	68.7	77%	NA	77.2	29.76	1007.8
08:55 AM CDT	NW 10.3 G 19.7	10.00	Clear	--	75.2	68.7	80%	NA	76.3	29.76	1007.8
08:35 AM CDT	11.4	10.00	Clear	--	74.7	69.1	83%	NA	75.7	29.75	1007.5
08:15 AM CDT	6.9	10.00	Clear	--	73.9	71.1	91%	NA	75.4	29.74	1007.1
07:55 AM CDT	W 8.1	10.00	Clear	--	73.0	71.6	95%	NA	74.5	29.74	1007.1
07:35 AM CDT	W 8.1	10.00	Clear	--	72.0	70.7	96%	NA	73.4	29.74	1007.1
07:15 AM CDT	W 6.9	10.00	Clear	--	70.9	69.4	95%	NA	72.1	29.73	1006.8
06:55 AM CDT	6.9	10.00	Clear	--	70.2	68.9	96%	NA	71.4	29.73	1006.8
06:35 AM CDT	W 8.1	10.00	Clear	--	69.8	68.4	95%	NA	NA	29.73	1006.8
06:15 AM CDT	5.8	10.00	NULL	--	69.8	68.4	95%	NA	NA	29.73	1006.8
10:35 PM CDT	W 9.2	7.00	Clear	--	74.3	72.7	95%	NA	75.9	29.74	1007.1
10:15 PM CDT	10.3 G 17.2	7.00	Clear	--	74.3	72.7	95%	NA	75.9	29.74	1007.1
09:55 PM CDT	9.2	7.00	Clear	--	74.3	72.7	95%	NA	75.9	29.74	1007.1
09:35 PM CDT	9.2	7.00	Clear	--	74.1	72.5	95%	NA	75.7	29.74	1007.1
09:15 PM CDT	6.9	7.00	Clear	--	74.1	72.5	95%	NA	75.7	29.74	1007.1
08:55 PM CDT	SW 10.3	7.00	Clear	--	74.5	72.9	95%	NA	76.1	29.73	1006.8
08:35 PM CDT	10.3	7.00	Clear	--	75.2	73.6	95%	NA	76.8	29.74	1007.1
08:15 PM CDT	11.4	7.00	Clear	--	75.6	73.9	95%	NA	77.2	29.75	1007.5
07:55 PM CDT	SW 12.8	7.00	Clear	--	76.1	74.7	95%	NA	77.9	29.74	1007.1
07:35 PM CDT	11.4	7.00	Clear	--	75.2	73.6	95%	NA	76.8	29.74	1007.1
07:15 PM CDT	11.4	7.00	Clear	--	73.9	72.5	95%	NA	75.6	29.76	1007.8
06:55 PM CDT	9.2	7.00	Clear	--	73.9	72.5	95%	NA	75.6	29.77	1008.1
06:35 PM CDT	10.3	10.00	NULL	--	74.5	72.9	95%	NA	76.1	29.79	1008.8
05:55 PM CDT	0.0	5.00	Mostly Cloudy	00.02	76.1	72.9	90%	NA	77.5	29.83	1010.2
05:35 PM CDT	10.3	7.00	Mostly Cloudy	--	78.6	71.4	79%	NA	79.9		M
05:15 PM CDT	6.9	10.00	Partly Cloudy	--	79.2	71.6	78%	NA	82.2		M
04:55 PM CDT	SW 6.9	7.00	Clear	--	80.6	71.8	75%	NA	84.6	29.81	1009.5
04:35 PM CDT	SW 8.1	7.00	NULL	--	82.8	72.1	70%	NA	88.0	29.79	1008.8
04:15 PM CDT	11.4	7.00	Clear	--	82.0	71.2	70%	NA	86.5	29.77	1008.1
03:35 PM CDT	12.8 G 18.3	10.00	Clear	--	81.5	71.6	72%	NA	85.8	29.81	1009.2
03:15 PM CDT	12.8	7.00	Clear	--	80.1	72.1	77%	NA	84.0	29.81	1009.5
02:55 PM CDT	16.1 G 23.0	7.00	Clear	--	79.0	73.6	84%	NA	82.4	29.82	1009.8
02:15 PM CDT	13.9 G 21.9	5.00	Clear	--	73.8	72.3	95%	NA	75.4	29.84	1010.5
01:55 PM CDT	SW 19.7 G 25.3	5.00	Clear and Windy	--	72.0	70.7	96%	NA	73.4	29.84	1010.5
01:35 PM CDT	SW 11.4	4.00	Clear	--	71.2	69.8	95%	NA	72.5	29.86	1011.2
12:55 PM CDT	17.2 G 25.3	3.00	Partly Cloudy	00.08	69.8	68.4	95%	NA	NA	29.85	1010.8
12:15 PM CDT	SW 16.1	2.00	Cloudy	00.04	69.3	68.0	96%	NA	NA	29.92	1013.2
11:55 AM CDT	8.1	2.50	Cloudy	00.06	69.3	68.0	96%	NA	NA	29.95	1014.2
11:35 AM CDT	SW 8.1	3.00	Cloudy	00.04	69.4	68.0	95%	NA	NA	29.94	1013.9
11:15 AM CDT	8.1	3.00	Cloudy	00.02	69.6	68.0	95%	NA	NA	29.94	1013.6
10:55 AM CDT	SW 6.9	3.00	Cloudy	00.02	69.8	68.4	95%	NA	NA	29.95	1014.2
10:15 AM CDT	5.8	4.00	Mostly Cloudy	--	70.9	68.5	92%	NA	72.0	29.94	1013.9
09:55 AM CDT	3.4	5.00	Clear	--	71.2	68.0	90%	NA	72.3	29.94	1013.9
09:35 AM CDT	0.0	5.00	Partly Cloudy	--	71.1	67.6	89%	NA	72.0	29.95	1014.2
09:15 AM CDT	SW 4.7	5.00	Mostly Cloudy	--	71.1	67.1	87%	NA	72.0	29.96	1014.6
08:55 AM CDT	8.1	5.00	Partly Cloudy	--	70.7	66.7	87%	NA	71.6	29.97	1014.9
08:35 AM CDT	5.8	5.00	Partly Cloudy	--	69.8	67.8	93%	NA	NA	29.96	1014.6
08:15 AM CDT	0.0	5.00	Partly Cloudy	--	68.9	67.3	95%	NA	NA	29.96	1014.6
07:55 AM CDT	S 4.7	5.00	Clear	--	67.3	65.7	95%	NA	NA	29.95	1014.2
07:35 AM CDT	0.0	5.00	Clear	--	66.2	64.8	95%	NA	NA	29.96	1014.6
07:15 AM CDT	0.0	5.00	Clear	--	65.3	63.7	95%	NA	NA	29.96	1014.6
06:55 AM CDT	0.0	4.00	Clear	--	63.7	62.2	95%	NA	NA	29.97	1014.9
06:35 AM CDT	4.7	4.00	Clear	--	63.1	61.7	95%	NA	NA	29.97	1014.9
06:15 AM CDT	S 5.8	4.00	Clear	--	62.6	61.0	94%	NA	NA	29.96	1014.6
05:55 AM CDT	4.7	5.00	Clear	--	62.2	60.8	95%	NA	NA	29.96	1014.6
05:35 AM CDT	0.0	7.00	Clear	--	62.4	61.0	95%	NA	NA	29.96	1014.6
05:15 AM CDT	0.0	7.00	Clear	--	61.7	60.1	94%	NA	NA	29.96	1014.6
04:35 AM CDT	0.0	7.00	Clear	--	59.0	57.6	95%	NA	NA	29.96	1014.6
04:15 AM CDT	0.0	7.00	Clear	--	59.9	58.5	95%	NA	NA	29.97	1014.9
03:55 AM CDT	S 3.4	7.00	Clear	--	62.6	60.8	94%	NA	NA	29.98	1015.2
03:35 AM CDT	3.4	7.00	Clear	--	61.0	59.5	95%	NA	NA	29.97	1014.9
03:15 AM CDT		7.00	Clear	--	NULL		%	NA	NA		M
02:55 AM CDT	3.4	7.00	Clear	--	62.2	60.8	95%	NA	NA	29.99	1015.6
02:40 AM CDT	S 4.7	7.00	Clear	--	62.1	60.8	96%	NA	NA	29.99	1015.6
02:15 AM CDT	S 5.8	7.00	Clear	--	63.0	61.0	93%	NA	NA	30.00	1015.9
01:55 AM CDT	S 5.8	7.00	Clear	--	63.1	61.5	94%	NA	NA	30.00	1015.9