Hourly Weather in Williamson, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
20 km/h
Breezy
16 km/h
Light
15 km/h
Light
12 km/h
Light
10 km/h
Light
9 km/h
Light
9 km/h
Light
10 km/h
Light
11 km/h
Light
Humidity
55%
Comfortable
58%
Comfortable
57%
Comfortable
58%
Comfortable
61%
Humid
63%
Humid
65%
Humid
64%
Humid
65%
Humid
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1008 hPa
Low
1007 hPa
Low
1006 hPa
Low
1006 hPa
Low
1005 hPa
Low
1005 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
Clouds
100%
64%
79%
100%
5%
2%
1%
0%
0%
Dew point
24°
25°
24°
24°
24°
23°
23°
22°
22°
UV Index
4
2
1
0
0
0
0
0
0
Air quality
67
Moderate
66
Moderate
66
Moderate
65
Moderate
64
Moderate
63
Moderate
63
Moderate
61
Moderate
61
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
39.9 μg/m3
39.9 μg/m3
39.9 μg/m3
39.9 μg/m3
39.9 μg/m3
39.9 μg/m3
39.9 μg/m3
17.4 μg/m3
17.3 μg/m3
PM25
17.4 μg/m3
17.2 μg/m3
16.8 μg/m3
16.4 μg/m3
16 μg/m3
15.6 μg/m3
15.2 μg/m3
14.4 μg/m3
14.5 μg/m3
NO2
0.9 ppb
1.8 ppb
2.7 ppb
3.5 ppb
5.1 ppb
6.7 ppb
8.4 ppb
10.5 ppb
11.1 ppb
SO2
0.8 ppb
0.8 ppb
0.8 ppb
0.8 ppb
0.8 ppb
0.9 ppb
0.9 ppb
1.2 ppb
1.1 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
O3
43.3 ppb
43.6 ppb
44.1 ppb
44.6 ppb
45.1 ppb
45.6 ppb
46.1 ppb
36.4 ppb
31.1 ppb