South Beloit, IL Current Weather Conditions

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

▼Current Conditions — South Beloit, IL

JANESVILLE/ROCK (KJVL)

Clear

73.4 F

Humidity:	94%
Wind Speed:	0.0 mph
Barometer:	29.92 in
Dewpoint:	71.6 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	74.8 F
Wind Chill:	NA

Sep 3 2026, 12:15 AM CDT

Alert Subscriptions

Severe Weather

Tornado, flood & storm warnings

Observations

Station conditions & threshold alerts

Daily Forecast

Morning summary delivered daily

Lightning

Real-time strike alerts

▼State Weather Snapshot — Illinois

Temperature

Dewpoint

Wind Speed

Full Interactive Observation Map →

▼Radar — Illinois

Loading radar…

Active Alerts Lightning

Full Interactive Radar Map →

▼Hourly Observation History — South Beloit, 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)
12:15 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
05:15 AM CDT	0.0	5.00	Fog/Mist	--	69.8	68.0	94%	NA	NA	29.94	1013.9
04:55 AM CDT	0.0	7.00	Clear	--	69.8	69.8	100%	NA	NA	29.94	1013.9
04:35 AM CDT	0.0	7.00	Clear	--	69.8	69.8	100%	NA	NA	29.94	1013.9
04:15 AM CDT	0.0	4.00	Fog/Mist	--	69.8	69.8	100%	NA	NA	29.94	1013.9
03:55 AM CDT	0.0	0.25	Fog	--	69.8	69.8	100%	NA	NA	29.94	1013.9
03:35 AM CDT	0.0	4.00	Fog/Mist	--	71.6	69.8	94%	NA	72.9	29.95	1014.2