Hourly Weather in Saint Mary, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
24 km/h
Breezy
24 km/h
Breezy
26 km/h
Breezy
27 km/h
Breezy
19 km/h
Breezy
15 km/h
Light
14 km/h
Light
14 km/h
Light
13 km/h
Light
Humidity
26%
Very dry
25%
Very dry
28%
Very dry
29%
Very dry
32%
Dry
35%
Dry
34%
Dry
36%
Dry
39%
Dry
Visibility
16 km
Good
16 km
Good
16 km
Good
15 km
Good
15 km
Good
12 km
Good
9 km
Fair
8 km
Fair
9 km
Fair
Pressure
1004 hPa
Low
1006 hPa
Low
1006 hPa
Low
1007 hPa
Low
1007 hPa
Low
1008 hPa
Low
1009 hPa
Low
1009 hPa
Normal
1010 hPa
Normal
Clouds
0%
0%
0%
0%
0%
0%
0%
0%
0%
Dew point
2°
2°
3°
2°
3°
3°
2°
3°
3°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
83
Moderate
82
Moderate
81
Moderate
79
Moderate
77
Moderate
75
Moderate
74
Moderate
46
Good
44
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
4 / 5
4 / 5
4 / 5
4 / 5
4 / 5
4 / 5
4 / 5
4 / 5
Pollutants
Low risk
High risk
PM10
41 μg/m3
41 μg/m3
41 μg/m3
41 μg/m3
41 μg/m3
41 μg/m3
41 μg/m3
7.1 μg/m3
8.3 μg/m3
PM25
26.2 μg/m3
25.6 μg/m3
24.8 μg/m3
23.9 μg/m3
22.9 μg/m3
21.9 μg/m3
21.1 μg/m3
6.8 μg/m3
7.9 μg/m3
NO2
0.3 ppb
0.4 ppb
0.5 ppb
0.6 ppb
0.6 ppb
0.7 ppb
0.7 ppb
0.9 ppb
1.1 ppb
SO2
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.2 ppb
0.2 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
46.3 ppb
46.2 ppb
46 ppb
45.7 ppb
45.5 ppb
45.3 ppb
45.1 ppb
50 ppb
46.9 ppb