Hourly Weather in East Helena, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
8 mph
Light
8 mph
Light
6 mph
Light
9 mph
Light
10 mph
Light
11 mph
Breezy
9 mph
Light
7 mph
Light
7 mph
Light
Humidity
64%
Humid
65%
Humid
66%
Humid
70%
Humid
70%
Humid
69%
Humid
65%
Humid
60%
Comfortable
55%
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
1010 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
Clouds
94%
94%
100%
100%
88%
20%
43%
50%
42%
Dew point
36°
36°
36°
36°
36°
39°
42°
43°
44°
UV Index
0
0
0
0
0
1
2
4
5
Air quality
34
Good
34
Good
34
Good
33
Good
33
Good
32
Good
32
Good
32
Good
39
Good
Pollen index
Tree
3 / 5
2 / 5
2 / 5
3 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
2 / 5
2 / 5
2 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
0.38 μg/ft3
0.37 μg/ft3
0.37 μg/ft3
0.36 μg/ft3
0.35 μg/ft3
0.34 μg/ft3
0.34 μg/ft3
0.30 μg/ft3
0.19 μg/ft3
PM25
0.23 μg/ft3
0.22 μg/ft3
0.22 μg/ft3
0.21 μg/ft3
0.21 μg/ft3
0.21 μg/ft3
0.21 μg/ft3
0.18 μg/ft3
0.12 μg/ft3
NO2
3.27 ppb
3.24 ppb
3.2 ppb
3.17 ppb
2.43 ppb
1.7 ppb
0.96 ppb
0.7 ppb
0.44 ppb
SO2
0.07 ppb
0.07 ppb
0.06 ppb
0.06 ppb
0.07 ppb
0.08 ppb
0.09 ppb
0.08 ppb
0.07 ppb
CO
0.12 ppb
0.12 ppb
0.11 ppb
0.11 ppb
0.11 ppb
0.11 ppb
0.11 ppb
0.11 ppb
0.11 ppb
O3
16.65 ppb
16.22 ppb
15.8 ppb
15.37 ppb
21.09 ppb
26.82 ppb
32.54 ppb
40.14 ppb
47.74 ppb