Hourly Weather in McHenry County, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
11 mph
Breezy
9 mph
Light
9 mph
Light
11 mph
Breezy
12 mph
Breezy
12 mph
Breezy
13 mph
Breezy
13 mph
Breezy
12 mph
Breezy
Humidity
53%
Comfortable
63%
Humid
68%
Humid
71%
Extremely humid
69%
Humid
67%
Humid
65%
Humid
64%
Humid
65%
Humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
9 mi
Good
Pressure
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1009 hPa
Normal
1009 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1007 hPa
Low
Clouds
100%
100%
100%
100%
100%
100%
100%
100%
100%
Dew point
32°
33°
32°
33°
33°
33°
33°
33°
34°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
55
Moderate
53
Moderate
52
Moderate
51
Moderate
50
Moderate
50
Moderate
49
Good
47
Good
50
Moderate
Pollen index
Tree
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
0.33 μg/ft3
0.31 μg/ft3
0.28 μg/ft3
0.27 μg/ft3
0.26 μg/ft3
0.26 μg/ft3
0.25 μg/ft3
0.25 μg/ft3
0.27 μg/ft3
PM25
0.31 μg/ft3
0.29 μg/ft3
0.27 μg/ft3
0.26 μg/ft3
0.25 μg/ft3
0.25 μg/ft3
0.25 μg/ft3
0.24 μg/ft3
0.25 μg/ft3
NO2
2.8 ppb
3.1 ppb
3 ppb
2.9 ppb
2.8 ppb
2.7 ppb
2.5 ppb
2.3 ppb
2.1 ppb
SO2
0.7 ppb
0.7 ppb
0.7 ppb
0.8 ppb
0.8 ppb
0.9 ppb
0.9 ppb
1 ppb
0.9 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
30.8 ppb
30.9 ppb
31 ppb
31.1 ppb
31.3 ppb
31.5 ppb
31.9 ppb
32.3 ppb
32.4 ppb