Hourly Weather in Sidney, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
10 mph
Breezy
12 mph
Breezy
15 mph
Breezy
16 mph
Breezy
15 mph
Breezy
13 mph
Breezy
12 mph
Breezy
11 mph
Breezy
11 mph
Breezy
Humidity
24%
Very dry
32%
Dry
44%
Dry
49%
Comfortable
55%
Comfortable
60%
Comfortable
63%
Humid
65%
Humid
68%
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
1012 hPa
Normal
1013 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1009 hPa
Low
1008 hPa
Low
Clouds
0%
0%
0%
0%
0%
48%
30%
31%
17%
Dew point
21°
23°
27°
27°
28°
28°
29°
29°
28°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
47
Good
47
Good
45
Good
43
Good
41
Good
38
Good
37
Good
36
Good
35
Good
Pollen index
Tree
3 / 5
3 / 5
1 / 5
1 / 5
2 / 5
2 / 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
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
0.35 μg/ft3
0.32 μg/ft3
0.31 μg/ft3
0.32 μg/ft3
0.31 μg/ft3
0.29 μg/ft3
0.28 μg/ft3
0.29 μg/ft3
0.30 μg/ft3
PM25
0.23 μg/ft3
0.21 μg/ft3
0.21 μg/ft3
0.22 μg/ft3
0.21 μg/ft3
0.20 μg/ft3
0.19 μg/ft3
0.20 μg/ft3
0.20 μg/ft3
NO2
0.23 ppb
0.32 ppb
0.41 ppb
0.44 ppb
0.48 ppb
0.52 ppb
0.54 ppb
0.55 ppb
0.57 ppb
SO2
0.05 ppb
0.04 ppb
0.03 ppb
0.04 ppb
0.04 ppb
0.04 ppb
0.04 ppb
0.04 ppb
0.04 ppb
CO
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
O3
49.17 ppb
46.12 ppb
43.08 ppb
41.2 ppb
39.32 ppb
37.45 ppb
36.57 ppb
35.69 ppb
34.81 ppb