Hourly Weather in Lerna, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 mph
Calm
10 mph
Light
10 mph
Breezy
11 mph
Breezy
9 mph
Light
7 mph
Light
7 mph
Light
7 mph
Light
6 mph
Light
Humidity
90%
Extremely humid
88%
Extremely humid
84%
Extremely humid
82%
Extremely humid
82%
Extremely humid
81%
Extremely humid
73%
Extremely humid
65%
Humid
57%
Comfortable
Visibility
8 mi
Good
9 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
Clouds
100%
87%
18%
0%
0%
0%
0%
5%
92%
Dew point
66°
64°
59°
56°
54°
55°
54°
54°
53°
UV Index
0
0
0
0
0
0
1
2
4
Air quality
23
Good
24
Good
25
Good
26
Good
27
Good
27
Good
28
Good
30
Good
32
Good
Pollen index
Tree
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
1 / 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
1 / 5
Pollutants
Low risk
High risk
PM10
0.17 μg/ft3
0.15 μg/ft3
0.13 μg/ft3
0.11 μg/ft3
0.10 μg/ft3
0.09 μg/ft3
0.09 μg/ft3
0.10 μg/ft3
0.11 μg/ft3
PM25
0.12 μg/ft3
0.11 μg/ft3
0.09 μg/ft3
0.08 μg/ft3
0.07 μg/ft3
0.06 μg/ft3
0.07 μg/ft3
0.07 μg/ft3
0.07 μg/ft3
NO2
1.84 ppb
1.69 ppb
1.55 ppb
1.54 ppb
1.52 ppb
1.51 ppb
1.32 ppb
1.13 ppb
0.94 ppb
SO2
0.11 ppb
0.13 ppb
0.15 ppb
0.17 ppb
0.19 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
CO
0.18 ppb
0.17 ppb
0.15 ppb
0.15 ppb
0.14 ppb
0.14 ppb
0.14 ppb
0.14 ppb
0.14 ppb
O3
25.47 ppb
28.54 ppb
31.6 ppb
30.6 ppb
29.59 ppb
28.59 ppb
32.4 ppb
36.2 ppb
40.01 ppb