Hourly Weather in Helena Valley West Central, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
11 mph
Breezy
11 mph
Breezy
10 mph
Breezy
10 mph
Breezy
10 mph
Breezy
11 mph
Breezy
11 mph
Breezy
11 mph
Breezy
11 mph
Breezy
Humidity
47%
Comfortable
47%
Comfortable
47%
Comfortable
48%
Comfortable
48%
Comfortable
49%
Comfortable
49%
Comfortable
48%
Comfortable
48%
Comfortable
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
1015 hPa
Normal
1016 hPa
Normal
1016 hPa
Normal
1015 hPa
Normal
1015 hPa
Normal
1014 hPa
Normal
1014 hPa
Normal
1013 hPa
Normal
1012 hPa
Normal
Clouds
4%
2%
0%
14%
100%
100%
66%
23%
6%
Dew point
14°
13°
13°
12°
12°
11°
11°
11°
10°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
45
Good
45
Good
45
Good
46
Good
46
Good
46
Good
46
Good
46
Good
46
Good
Pollen index
Tree
1 / 5
1 / 5
1 / 5
1 / 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
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
0.10 μg/ft3
0.09 μg/ft3
0.09 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.07 μg/ft3
0.07 μg/ft3
PM25
0.09 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.07 μg/ft3
0.07 μg/ft3
0.07 μg/ft3
0.07 μg/ft3
0.07 μg/ft3
NO2
1.2 ppb
1 ppb
0.9 ppb
0.7 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.5 ppb
0.7 ppb
SO2
N/A
N/A
N/A
N/A
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
CO
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
48.3 ppb
48.6 ppb
49 ppb
49 ppb
49.2 ppb
49.3 ppb
49.4 ppb
49.5 ppb
49.6 ppb