Hourly Weather in Alpine, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
15 km/h
Light
28 km/h
Breezy
9 km/h
Light
35 km/h
Strong
14 km/h
Light
21 km/h
Breezy
34 km/h
Strong
17 km/h
Breezy
16 km/h
Breezy
Humidity
20%
Very dry
26%
Very dry
25%
Very dry
38%
Dry
29%
Very dry
40%
Dry
37%
Dry
38%
Dry
32%
Dry
Visibility
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
16 km
Good
Pressure
1003 hPa
Very low
1004 hPa
Very low
1004 hPa
Very low
1007 hPa
Low
1006 hPa
Low
1007 hPa
Low
1009 hPa
Normal
1008 hPa
Low
1006 hPa
Low
Clouds
23%
100%
100%
100%
85%
100%
97%
100%
100%
Dew point
1°
3°
3°
5°
3°
5°
5°
5°
4°
UV Index
3
2
1
0
0
0
0
0
0
Air quality
53
Moderate
56
Moderate
60
Moderate
63
Moderate
67
Moderate
70
Moderate
33
Good
31
Good
31
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
4 / 5
3 / 5
3 / 5
3 / 5
3 / 5
4 / 5
4 / 5
4 / 5
4 / 5
Pollutants
Low risk
High risk
PM10
6.2 μg/m3
6.7 μg/m3
7.1 μg/m3
31.3 μg/m3
31.3 μg/m3
31.3 μg/m3
6.3 μg/m3
5.5 μg/m3
5.1 μg/m3
PM25
10.3 μg/m3
11.8 μg/m3
13.6 μg/m3
15.5 μg/m3
17.3 μg/m3
18.9 μg/m3
5 μg/m3
4.5 μg/m3
4.3 μg/m3
NO2
0.2 ppb
0.3 ppb
0.7 ppb
1.1 ppb
1.5 ppb
1.8 ppb
2.1 ppb
2.3 ppb
2.2 ppb
SO2
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
CO
0.1 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
37.7 ppb
38.6 ppb
39.6 ppb
40.7 ppb
41.7 ppb
42.6 ppb
35.7 ppb
33.9 ppb
33.2 ppb