Cahokia, IL Current Weather Conditions

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

▼Current Conditions — Cahokia, IL

ST CHARLES (KSET)

Clear

68.0 F

Humidity:	88%
Wind Speed:	6.9 mph
Barometer:	29.86 in
Dewpoint:	64.4 F
Visibility:	9.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

May 17 2026, 12:05 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 — Cahokia, 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)
12:05 AM CDT	6.9	9.00	Clear	--	68.0	64.4	88%	NA	NA	29.86	1011.2
12:00 AM CDT	9.2	9.00	Clear	--	68.0	64.4	88%	NA	NA	29.85	1010.8
11:50 PM CDT	9.2	10.00	Clear	--	68.0	64.4	88%	NA	NA	29.86	1011.2
11:40 PM CDT	10.4	10.00	Clear	--	69.8	66.2	88%	NA	NA	29.86	1011.2
11:35 PM CDT	E 10.4	10.00	Clear	--	69.8	64.4	83%	NA	NA	29.86	1011.2
11:25 PM CDT	E 10.4	10.00	Clear	--	69.8	66.2	88%	NA	NA	29.87	1011.5
11:15 PM CDT	E 10.4	10.00	Clear	--	69.8	66.2	88%	NA	NA	29.86	1011.2
11:10 PM CDT	E 10.4	10.00	Clear	--	69.8	66.2	88%	NA	NA	29.86	1011.2
11:05 PM CDT	E 8.1	10.00	Clear	--	68.0	64.4	88%	NA	NA	29.87	1011.5
10:54 PM CDT	E 10.3	10.00	Clear	--	68.0	66.0	93%	NA	NA	29.86	1011.2
10:45 PM CDT	E 9.2	10.00	Clear	--	68.0	66.2	94%	NA	NA	29.86	1011.2
10:35 PM CDT	E 8.1	10.00	Clear	--	68.0	66.2	94%	NA	NA	29.86	1011.2
10:30 PM CDT	E 9.2	10.00	Clear	--	68.0	64.4	88%	NA	NA	29.85	1010.8
10:25 PM CDT	E 8.1	10.00	Clear	--	69.8	66.2	88%	NA	NA	29.85	1010.8
10:15 PM CDT	E 9.2	10.00	Clear	--	69.8	66.2	88%	NA	NA	29.85	1010.8
10:10 PM CDT	E 10.4	10.00	Clear	--	69.8	66.2	88%	NA	NA	29.85	1010.8
10:05 PM CDT	E 10.4	10.00	Clear	--	69.8	66.2	88%	NA	NA	29.85	1010.8
10:00 PM CDT		10.00	Clear	--	69.8	66.2	88%	NA	NA	29.84	1010.5
09:50 PM CDT	E 9.2	10.00	Clear	--	69.8	66.2	88%	NA	NA	29.84	1010.5
09:35 PM CDT	E 10.4	10.00	Clear	--	69.8	66.2	88%	NA	NA	29.83	1010.2
09:30 PM CDT	E 10.4	10.00	Clear	--	69.8	66.2	88%	NA	NA	29.83	1010.2
09:20 PM CDT	E 9.2	10.00	Clear	--	69.8	66.2	88%	NA	NA	29.83	1010.2
09:15 PM CDT	E 10.4	10.00	Clear	--	69.8	66.2	88%	NA	NA	29.83	1010.2
09:10 PM CDT	E 8.1	10.00	Clear	--	69.8	66.2	88%	NA	NA	29.83	1010.2
09:00 PM CDT	E 6.9	10.00	Clear	--	71.6	66.2	83%	NA	72.3	29.84	1010.5
08:45 PM CDT	E 6.9	10.00	Clear	--	71.6	66.2	83%	NA	72.3	29.84	1010.5
08:35 PM CDT	6.9	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.83	1010.2
08:25 PM CDT	6.9	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.83	1010.2
08:20 PM CDT	6.9	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.83	1010.2
08:15 PM CDT	6.9	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.83	1010.2
08:10 PM CDT	6.9	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.84	1010.5
08:05 PM CDT	8.1	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.84	1010.5
07:50 PM CDT	SE 8.1	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.84	1010.5
07:45 PM CDT	8.1	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.83	1010.2
07:40 PM CDT	9.2	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.83	1010.2
07:30 PM CDT	S 9.2	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.83	1010.2
07:25 PM CDT	S 11.5	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.83	1010.2
07:15 PM CDT	S 8.1	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.84	1010.5
07:10 PM CDT	S 9.2	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.83	1010.2
07:05 PM CDT	S 9.2	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.83	1010.2
07:00 PM CDT	S 6.9	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.83	1010.2
06:45 PM CDT	S 12.7	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.81	1009.5
06:40 PM CDT		10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.81	1009.5
06:35 PM CDT	12.7	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.81	1009.5
06:25 PM CDT	13.8	10.00	Clear	--	77.0	66.2	69%	NA	77.7	29.81	1009.5
06:20 PM CDT	SE 12.7	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.81	1009.5
06:15 PM CDT	SE 11.5	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.82	1009.8
06:10 PM CDT	10.4	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.82	1009.8
06:05 PM CDT	SE 11.5	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.83	1010.2
05:54 PM CDT	10.3	10.00	Clear	--	77.0	66.9	71%	NA	77.7	29.83	1010.2
05:45 PM CDT	12.7	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.83	1010.2
05:40 PM CDT	12.7	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.83	1010.2
05:35 PM CDT	11.5	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.84	1010.5
05:30 PM CDT	11.5	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.84	1010.5
05:20 PM CDT	S 10.4	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.85	1010.8
05:10 PM CDT	S 11.5	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.85	1010.8
05:00 PM CDT	S 9.2	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.85	1010.8
04:50 PM CDT	5.7	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.86	1011.2
04:35 PM CDT	E 6.9	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.87	1011.5
04:25 PM CDT	6.9	10.00	Clear	--	73.4	66.2	78%	NA	74.1	29.87	1011.5
04:20 PM CDT	S 10.4	10.00	Clear	--	73.4	66.2	78%	NA	74.1		M
04:15 PM CDT	S 9.2	10.00	Clear	--	73.4	66.2	78%	NA	74.1		M
04:10 PM CDT		10.00	Clear	--	73.4	66.2	78%	NA	74.1		M
04:00 PM CDT		10.00	Mostly Clear	--	73.4	66.2	78%	NA	74.1		M
03:50 PM CDT	10.4	10.00	Partly Cloudy	--	73.4	66.2	78%	NA	74.1		M
03:45 PM CDT	SE 8.1	10.00	Partly Cloudy	--	73.4	66.2	78%	NA	74.1		M
03:40 PM CDT	SE 8.1	10.00	Mostly Cloudy	--	73.4	66.2	78%	NA	74.1	29.89	1012.2
03:35 PM CDT	8.1	10.00	Mostly Cloudy	--	73.4	66.2	78%	NA	74.1	29.89	1012.2
03:30 PM CDT	SE 8.1	10.00	Mostly Cloudy	--	73.4	66.2	78%	NA	74.1	29.90	1012.5
03:20 PM CDT	6.9	10.00	Mostly Clear	--	71.6	66.2	83%	NA	72.3	29.91	1012.9
03:10 PM CDT	5.7	10.00	Clear	--	71.6	64.4	78%	NA	72.1	29.92	1013.2
03:00 PM CDT	NE 6.9	10.00	Clear	--	71.6	64.4	78%	NA	72.1	29.93	1013.5