Hourly Weather in McLean, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 km/h
Calm
9 km/h
Light
8 km/h
Light
7 km/h
Calm
8 km/h
Light
9 km/h
Light
8 km/h
Light
9 km/h
Light
10 km/h
Light
Humidity
84%
Extremely humid
81%
Extremely humid
82%
Extremely humid
85%
Extremely humid
90%
Extremely humid
92%
Extremely humid
93%
Extremely humid
94%
Extremely humid
94%
Extremely humid
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
14 km
Good
13 km
Good
12 km
Good
12 km
Good
12 km
Good
Pressure
1014 hPa
Normal
1013 hPa
Normal
1012 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
Clouds
91%
59%
66%
18%
3%
3%
8%
9%
13%
Dew point
22°
22°
22°
22°
22°
21°
21°
20°
20°
UV Index
1
0
0
0
0
0
0
0
0
Air quality
41
Good
43
Good
45
Good
49
Good
51
Moderate
52
Moderate
53
Moderate
41
Good
40
Good
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
4.5 μg/m3
4.6 μg/m3
4.7 μg/m3
20.5 μg/m3
20.5 μg/m3
20.5 μg/m3
20.5 μg/m3
7.6 μg/m3
7.4 μg/m3
PM25
7.3 μg/m3
7.7 μg/m3
8.1 μg/m3
8.7 μg/m3
9.3 μg/m3
9.8 μg/m3
10.3 μg/m3
7.3 μg/m3
7.1 μg/m3
NO2
2 ppb
2.3 ppb
2.7 ppb
6.4 ppb
10.1 ppb
13.7 ppb
13.5 ppb
13.4 ppb
12.9 ppb
SO2
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
O3
32.9 ppb
33.9 ppb
35.2 ppb
36.8 ppb
38.5 ppb
40.1 ppb
41.4 ppb
14.3 ppb
13.1 ppb