Hourly Weather in Flat Rock, Illinois, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 mph
Light
5 mph
Light
5 mph
Calm
5 mph
Light
5 mph
Light
5 mph
Light
5 mph
Light
5 mph
Light
5 mph
Light
Humidity
44%
Dry
55%
Comfortable
61%
Humid
65%
Humid
68%
Humid
69%
Humid
70%
Extremely humid
72%
Extremely humid
74%
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
1022 hPa
High
1022 hPa
High
1022 hPa
High
1022 hPa
High
1023 hPa
High
1023 hPa
High
1023 hPa
High
1023 hPa
High
1023 hPa
High
Clouds
15%
0%
0%
0%
0%
0%
0%
0%
0%
Dew point
65°
67°
67°
66°
66°
66°
66°
65°
64°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
65
Moderate
86
Moderate
71
Moderate
69
Moderate
70
Moderate
71
Moderate
72
Moderate
72
Moderate
72
Moderate
Pollen index
Tree
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
2 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
2 / 5
2 / 5
1 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
Pollutants
Low risk
High risk
PM10
0.82 μg/ft3
0.92 μg/ft3
0.96 μg/ft3
0.98 μg/ft3
0.99 μg/ft3
1.00 μg/ft3
0.99 μg/ft3
0.97 μg/ft3
0.95 μg/ft3
PM25
0.54 μg/ft3
0.61 μg/ft3
0.63 μg/ft3
0.65 μg/ft3
0.66 μg/ft3
0.66 μg/ft3
0.65 μg/ft3
0.64 μg/ft3
0.63 μg/ft3
NO2
1.63 ppb
3.46 ppb
5.1 ppb
6.75 ppb
7.42 ppb
8.1 ppb
8.77 ppb
8.64 ppb
8.5 ppb
SO2
1.88 ppb
1.88 ppb
1.84 ppb
1.8 ppb
1.76 ppb
1.71 ppb
1.67 ppb
1.54 ppb
1.42 ppb
CO
0.19 ppb
0.19 ppb
0.21 ppb
0.24 ppb
0.25 ppb
0.26 ppb
0.27 ppb
0.27 ppb
0.26 ppb
O3
62.19 ppb
58.09 ppb
52.12 ppb
46.14 ppb
41.34 ppb
36.54 ppb
31.73 ppb
28.81 ppb
25.89 ppb