Hourly Weather in Helena Valley West Central, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 mph
Light
6 mph
Light
6 mph
Light
6 mph
Light
6 mph
Light
6 mph
Light
6 mph
Light
6 mph
Light
6 mph
Light
Humidity
54%
Comfortable
53%
Comfortable
52%
Comfortable
52%
Comfortable
52%
Comfortable
58%
Comfortable
62%
Humid
65%
Humid
65%
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
1021 hPa
High
1021 hPa
High
1020 hPa
High
1020 hPa
High
1019 hPa
High
1018 hPa
High
1018 hPa
High
1018 hPa
High
1018 hPa
High
Clouds
0%
0%
0%
0%
0%
0%
0%
0%
0%
Dew point
32°
33°
34°
35°
35°
36°
35°
34°
33°
UV Index
4
4
3
2
1
0
0
0
0
Air quality
53
Moderate
52
Moderate
51
Moderate
52
Moderate
53
Moderate
53
Moderate
52
Moderate
51
Moderate
49
Good
Pollen index
Tree
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 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
0.45 μg/ft3
0.45 μg/ft3
0.44 μg/ft3
0.41 μg/ft3
0.38 μg/ft3
0.36 μg/ft3
0.36 μg/ft3
0.36 μg/ft3
0.37 μg/ft3
PM25
0.28 μg/ft3
0.28 μg/ft3
0.26 μg/ft3
0.24 μg/ft3
0.22 μg/ft3
0.20 μg/ft3
0.21 μg/ft3
0.22 μg/ft3
0.24 μg/ft3
NO2
2 ppb
1.4 ppb
0.7 ppb
0.9 ppb
1.2 ppb
1.4 ppb
4.4 ppb
7.5 ppb
10.5 ppb
SO2
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
0.4 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
O3
47.7 ppb
50.9 ppb
54.6 ppb
56.4 ppb
57.5 ppb
58 ppb
56.9 ppb
54.8 ppb
52.4 ppb