Hourly Weather in Helena Valley West Central, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
9 mph
Light
9 mph
Light
12 mph
Breezy
14 mph
Breezy
13 mph
Breezy
15 mph
Breezy
15 mph
Breezy
14 mph
Breezy
13 mph
Breezy
Humidity
84%
Extremely humid
80%
Extremely humid
74%
Extremely humid
66%
Humid
59%
Comfortable
51%
Comfortable
45%
Comfortable
40%
Dry
37%
Dry
Visibility
9 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
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
Clouds
100%
100%
58%
97%
74%
19%
37%
96%
97%
Dew point
38°
38°
38°
38°
38°
37°
35°
33°
32°
UV Index
0
0
1
2
4
4
4
4
3
Air quality
30
Good
27
Good
28
Good
32
Good
35
Good
38
Good
40
Good
42
Good
43
Good
Pollen index
Tree
0 / 5
0 / 5
0 / 5
0 / 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
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
0.27 μg/ft3
0.24 μg/ft3
0.21 μg/ft3
0.10 μg/ft3
0.07 μg/ft3
0.05 μg/ft3
0.04 μg/ft3
0.04 μg/ft3
0.05 μg/ft3
PM25
0.18 μg/ft3
0.16 μg/ft3
0.14 μg/ft3
0.06 μg/ft3
0.04 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
NO2
0.81 ppb
0.66 ppb
0.51 ppb
0.39 ppb
0.26 ppb
0.14 ppb
0.13 ppb
0.12 ppb
0.12 ppb
SO2
0.04 ppb
0.04 ppb
0.04 ppb
0.03 ppb
0.02 ppb
0.02 ppb
0.02 ppb
0.03 ppb
0.04 ppb
CO
0.13 ppb
0.13 ppb
0.13 ppb
0.13 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
0.12 ppb
O3
27.25 ppb
30.63 ppb
34.01 ppb
37.64 ppb
41.28 ppb
44.92 ppb
46.1 ppb
47.27 ppb
48.44 ppb