Hourly Weather in Vandalia, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
10 mph
Breezy
11 mph
Breezy
11 mph
Breezy
11 mph
Breezy
11 mph
Breezy
11 mph
Breezy
9 mph
Light
8 mph
Light
8 mph
Light
Humidity
71%
Extremely humid
71%
Extremely humid
71%
Extremely humid
70%
Extremely humid
69%
Humid
67%
Humid
71%
Extremely humid
72%
Extremely humid
73%
Extremely 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
10 mi
Good
Pressure
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
Clouds
1%
0%
3%
0%
92%
78%
100%
100%
0%
Dew point
43°
43°
43°
42°
41°
40°
42°
42°
43°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
73
Moderate
73
Moderate
73
Moderate
74
Moderate
74
Moderate
74
Moderate
74
Moderate
74
Moderate
74
Moderate
Pollen index
Tree
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 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
0 / 5
Pollutants
Low risk
High risk
PM10
0.60 μg/ft3
0.60 μg/ft3
0.60 μg/ft3
0.61 μg/ft3
0.62 μg/ft3
0.62 μg/ft3
0.62 μg/ft3
0.62 μg/ft3
0.61 μg/ft3
PM25
0.58 μg/ft3
0.58 μg/ft3
0.59 μg/ft3
0.59 μg/ft3
0.60 μg/ft3
0.61 μg/ft3
0.61 μg/ft3
0.60 μg/ft3
0.59 μg/ft3
NO2
3.5 ppb
3.6 ppb
3.8 ppb
3.9 ppb
4.1 ppb
4.3 ppb
4.5 ppb
4.2 ppb
3.9 ppb
SO2
0.5 ppb
0.5 ppb
0.5 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.7 ppb
0.6 ppb
0.5 ppb
CO
0.1 ppb
0.1 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
45.8 ppb
45.8 ppb
45.4 ppb
44.7 ppb
43 ppb
40.5 ppb
37.8 ppb
36.5 ppb
35.1 ppb