Hourly Weather in Saint Pierre, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
10 km/h
Light
16 km/h
Breezy
15 km/h
Light
13 km/h
Light
5 km/h
Calm
6 km/h
Calm
8 km/h
Calm
8 km/h
Calm
9 km/h
Light
Humidity
33%
Dry
24%
Very dry
23%
Very dry
20%
Very dry
20%
Very dry
22%
Very dry
22%
Very dry
24%
Very dry
26%
Very dry
Visibility
14 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
1013 hPa
Normal
1010 hPa
Normal
1010 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
Clouds
7%
0%
0%
0%
16%
8%
22%
0%
94%
Dew point
2°
0°
0°
-1°
-1°
0°
0°
1°
1°
UV Index
0
0
0
0
0
0
0
0
1
Air quality
117
Unhealthy for sensitive groups
121
Unhealthy for sensitive groups
129
Unhealthy for sensitive groups
139
Unhealthy for sensitive groups
151
Unhealthy
155
Unhealthy
158
Unhealthy
161
Unhealthy
89
Moderate
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
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
1 / 5
Pollutants
Low risk
High risk
PM10
34.1 μg/m3
34.1 μg/m3
75 μg/m3
75 μg/m3
75 μg/m3
75 μg/m3
75 μg/m3
75 μg/m3
29.8 μg/m3
PM25
41.9 μg/m3
43.5 μg/m3
46.5 μg/m3
50.7 μg/m3
55.6 μg/m3
60.6 μg/m3
65.5 μg/m3
69.7 μg/m3
29 μg/m3
NO2
4.5 ppb
4.8 ppb
5.1 ppb
5.3 ppb
5.8 ppb
6.3 ppb
6.8 ppb
5.7 ppb
5.8 ppb
SO2
0.6 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.5 ppb
0.4 ppb
CO
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
O3
42.1 ppb
42.9 ppb
44.5 ppb
46.8 ppb
49.3 ppb
52.1 ppb
54.6 ppb
56.9 ppb
38.9 ppb