Crystal Lake, IL Current Weather Conditions

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

▼Current Conditions — Crystal Lake, IL

BURLINGTON (KBUU)

Mostly Cloudy

65.5 F

Humidity:	86%
Wind Speed:	0.0 mph
Barometer:	29.99 in
Dewpoint:	61.3 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Jun 8 2026, 05:15 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 — Crystal Lake, 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)
05:15 AM CDT	0.0	10.00	Mostly Cloudy	--	65.5	61.3	86%	NA	NA	29.99	1015.6
04:55 AM CDT	0.0	10.00	Mostly Cloudy	--	65.3	61.0	86%	NA	NA	29.98	1015.2
04:35 AM CDT	0.0	7.00	Mostly Cloudy	--	66.2	59.9	80%	NA	NA	29.97	1014.9
04:15 AM CDT	0.0	10.00	Mostly Cloudy	--	66.2	59.2	78%	NA	NA	29.97	1014.9
03:55 AM CDT	E 3.4	10.00	Cloudy	--	66.0	59.2	79%	NA	NA	29.97	1014.9
03:35 AM CDT	0.0	10.00	Cloudy	--	65.5	58.6	79%	NA	NA	29.97	1014.9
03:15 AM CDT	NE 3.4	10.00	Cloudy	--	65.3	58.3	78%	NA	NA	29.97	1014.9
02:55 AM CDT	0.0	10.00	Mostly Cloudy	--	64.6	57.7	78%	NA	NA	29.97	1014.9
02:35 AM CDT	4.7	10.00	Mostly Cloudy	--	64.2	57.7	79%	NA	NA	29.97	1014.9
02:15 AM CDT	NE 3.4	10.00	Cloudy	--	63.7	56.8	78%	NA	NA	29.98	1015.2
01:35 AM CDT	0.0	10.00	Cloudy	--	64.0	54.9	72%	NA	NA	29.99	1015.6
01:15 AM CDT	0.0	10.00	Cloudy	--	64.0	54.5	71%	NA	NA	29.99	1015.6
12:55 AM CDT	3.4	10.00	Cloudy	--	63.9	54.5	72%	NA	NA	30.00	1015.9
12:35 AM CDT	0.0	10.00	Cloudy	--	63.9	53.8	70%	NA	NA	30.00	1015.9
12:15 AM CDT	0.0	10.00	Mostly Cloudy	--	63.7	53.4	69%	NA	NA	29.99	1015.6
11:55 PM CDT	3.4	10.00	Clear	--	63.5	53.1	69%	NA	NA	30.00	1015.9
11:35 PM CDT	NE 4.7	10.00	Clear	--	63.5	52.9	68%	NA	NA	29.99	1015.6
11:15 PM CDT	NE 3.4	10.00	Clear	--	63.5	52.7	68%	NA	NA	29.99	1015.6
10:55 PM CDT	5.8	10.00	Clear	--	63.7	52.3	67%	NA	NA	30.00	1015.9
10:35 PM CDT	6.9	10.00	Partly Cloudy	--	64.0	52.2	65%	NA	NA	30.00	1015.9
10:15 PM CDT	3.4	10.00	Partly Cloudy	--	64.0	52.9	67%	NA	NA	30.00	1015.9
09:55 PM CDT	4.7	10.00	Partly Cloudy	--	64.6	52.3	64%	NA	NA	30.00	1015.9
09:35 PM CDT	E 9.2	10.00	Clear	--	65.5	52.7	63%	NA	NA	29.99	1015.6
09:15 PM CDT	E 9.2	10.00	Clear	--	66.4	53.2	63%	NA	NA	29.98	1015.2
08:55 PM CDT	E 6.9	10.00	Clear	--	67.1	53.4	61%	NA	NA	29.97	1014.9
08:35 PM CDT	E 5.8	10.00	Partly Cloudy	--	68.0	52.9	58%	NA	NA	29.97	1014.9
08:15 PM CDT	6.9	10.00	Mostly Cloudy	--	69.1	53.2	57%	NA	NA	29.98	1015.2
07:55 PM CDT	E 5.8	10.00	Partly Cloudy	--	70.3	52.3	53%	NA	69.6	29.98	1015.2
07:35 PM CDT	8.1	10.00	Clear	--	70.9	52.9	53%	NA	70.2	29.98	1015.2
07:15 PM CDT	5.8	10.00	Partly Cloudy	--	71.6	54.0	54%	NA	71.1	29.98	1015.2
06:55 PM CDT	5.8	10.00	Mostly Cloudy	--	72.0	54.0	53%	NA	71.4	29.98	1015.2
06:35 PM CDT	3.4	10.00	Partly Cloudy	--	72.7	54.0	52%	NA	72.1	29.98	1015.2
06:15 PM CDT	6.9	10.00	Clear	--	72.9	53.1	50%	NA	72.1	29.99	1015.6
05:55 PM CDT	5.8	10.00	Clear	--	73.4	54.0	51%	NA	72.9	29.99	1015.6
05:35 PM CDT	E 9.2	10.00	Clear	--	73.9	54.7	51%	NA	73.4	29.98	1015.2
05:15 PM CDT	10.3	10.00	Clear	--	74.7	56.7	53%	NA	74.3	29.98	1015.2
04:55 PM CDT	10.3	10.00	Clear	--	75.4	57.4	54%	NA	75.2	29.98	1015.2
04:35 PM CDT	9.2	10.00	Partly Cloudy	--	76.1	59.5	57%	NA	76.1	29.98	1015.2
04:15 PM CDT	E 9.2	10.00	Partly Cloudy	--	76.3	58.1	53%	NA	76.1	29.98	1015.2
03:55 PM CDT	E 6.9	10.00	Clear	--	76.1	56.7	51%	NA	75.7	29.98	1015.2
03:35 PM CDT	E 8.1	10.00	Clear	--	76.5	55.9	49%	NA	76.1	29.98	1015.2
03:15 PM CDT	E 9.2	10.00	Clear	--	77.0	55.9	48%	NA	76.6	29.99	1015.6
02:55 PM CDT	E 9.2	10.00	Clear	--	77.2	56.3	49%	NA	76.8	29.99	1015.6
02:35 PM CDT	9.2	10.00	Clear	--	77.5	55.2	46%	NA	77.2	29.99	1015.6
02:15 PM CDT	E 9.2	10.00	Clear	--	77.9	55.6	46%	NA	77.5	29.99	1015.6
01:55 PM CDT	10.3	10.00	Clear	--	79.0	56.7	46%	NA	78.8	29.99	1015.6
01:35 PM CDT	E 12.8 G 17.2	10.00	Clear	--	78.8	56.1	46%	NA	78.4	30.00	1015.9
01:15 PM CDT	E 10.3 G 16.1	10.00	Clear	--	80.2	57.2	45%	NA	80.6	30.00	1015.9
12:55 PM CDT	10.3	10.00	Clear	--	78.6	56.3	46%	NA	78.4	30.01	1016.3
12:35 PM CDT	12.8	10.00	Clear	--	79.3	56.3	45%	NA	79.2	30.00	1015.9
12:15 PM CDT	11.4 G 18.3	10.00	Clear	--	79.2	56.8	46%	NA	79.0	30.00	1015.9
11:55 AM CDT	E 13.9 G 18.3	10.00	Clear	--	77.9	57.0	49%	NA	77.7	30.00	1015.9
11:35 AM CDT	SE 11.4 G 16.1	10.00	Clear	--	77.4	56.7	49%	NA	77.2	30.01	1016.3
11:15 AM CDT	E 12.8 G 19.7	10.00	Clear	--	77.2	57.0	50%	NA	77.0	30.00	1015.9
10:55 AM CDT	E 12.8	10.00	Clear	--	77.0	56.8	50%	NA	76.8	30.01	1016.3
10:35 AM CDT	12.8 G 19.7	10.00	Clear	--	75.4	55.2	50%	NA	75.0	30.00	1015.9
10:15 AM CDT	11.4 G 18.3	10.00	Clear	--	74.5	55.6	52%	NA	74.1	30.01	1016.3
09:55 AM CDT	E 13.9 G 20.8	10.00	Clear	--	73.8	55.8	53%	NA	73.4	30.01	1016.3
09:35 AM CDT	E 10.3	10.00	Partly Cloudy	--	72.9	58.5	61%	NA	72.7	30.02	1016.6
09:15 AM CDT	6.9	10.00	Mostly Cloudy	--	70.7	59.0	67%	NA	70.5	30.03	1016.9
08:55 AM CDT	E 8.1	10.00	Mostly Cloudy	--	71.4	59.7	67%	NA	71.4	30.02	1016.6
08:35 AM CDT	E 8.1	10.00	Mostly Cloudy	--	69.8	59.0	69%	NA	NA	30.02	1016.6
08:15 AM CDT	6.9	10.00	Cloudy	--	68.9	59.5	72%	NA	NA	30.01	1016.3
07:55 AM CDT	E 3.4	10.00	Partly Cloudy	--	68.0	59.2	73%	NA	NA	30.01	1016.3
07:35 AM CDT	E 5.8	10.00	Partly Cloudy	--	66.7	59.0	76%	NA	NA	30.00	1015.9
07:15 AM CDT	E 5.8	10.00	Cloudy	--	65.5	59.0	80%	NA	NA	30.00	1015.9
06:55 AM CDT	4.7	10.00	Mostly Cloudy	--	63.7	58.3	83%	NA	NA	29.99	1015.6
06:15 AM CDT	NE 4.7	10.00	Mostly Cloudy	--	61.7	57.6	86%	NA	NA	29.98	1015.2
05:55 AM CDT	3.4	10.00	Partly Cloudy	--	60.8	57.6	89%	NA	NA	29.98	1015.2
05:35 AM CDT	NE 3.4	10.00	Mostly Cloudy	--	60.3	57.4	90%	NA	NA	29.97	1014.9
05:15 AM CDT	0.0	10.00	Partly Cloudy	--	59.4	57.2	93%	NA	NA	29.97	1014.9
04:55 AM CDT	0.0	10.00	Clear	--	59.9	57.2	91%	NA	NA	29.97	1014.9