Hourly Weather in Plains, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 mph
Calm
5 mph
Light
7 mph
Light
5 mph
Calm
4 mph
Calm
4 mph
Calm
6 mph
Light
7 mph
Light
7 mph
Light
Humidity
48%
Comfortable
57%
Comfortable
73%
Extremely humid
64%
Humid
72%
Extremely humid
80%
Extremely humid
82%
Extremely humid
75%
Extremely humid
69%
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
1024 hPa
High
1024 hPa
High
1025 hPa
High
1025 hPa
High
1025 hPa
High
1025 hPa
High
1024 hPa
High
1024 hPa
High
1023 hPa
High
Clouds
53%
45%
26%
8%
5%
11%
17%
9%
3%
Dew point
40°
38°
38°
37°
36°
36°
35°
32°
29°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
43
Good
35
Good
33
Good
34
Good
36
Good
40
Good
43
Good
43
Good
41
Good
Pollen index
Tree
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 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
1 / 5
1 / 5
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
0.32 μg/ft3
0.34 μg/ft3
0.34 μg/ft3
0.35 μg/ft3
0.38 μg/ft3
0.43 μg/ft3
0.45 μg/ft3
0.43 μg/ft3
0.38 μg/ft3
PM25
0.22 μg/ft3
0.23 μg/ft3
0.23 μg/ft3
0.24 μg/ft3
0.26 μg/ft3
0.30 μg/ft3
0.31 μg/ft3
0.30 μg/ft3
0.26 μg/ft3
NO2
8.96 ppb
12.17 ppb
14.5 ppb
16.83 ppb
19.17 ppb
19.46 ppb
19.75 ppb
20.05 ppb
16.88 ppb
SO2
1.51 ppb
1.69 ppb
1.94 ppb
2.19 ppb
2.44 ppb
2.3 ppb
2.16 ppb
2.02 ppb
1.81 ppb
CO
0.2 ppb
0.23 ppb
0.24 ppb
0.26 ppb
0.27 ppb
0.28 ppb
0.28 ppb
0.29 ppb
0.26 ppb
O3
37.69 ppb
29.82 ppb
26.53 ppb
23.23 ppb
19.93 ppb
18.74 ppb
17.56 ppb
16.37 ppb
20.26 ppb