Hourly Weather in Harrison Mill, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
24 km/h
Breezy
24 km/h
Breezy
39 km/h
Strong
30 km/h
Breezy
51 km/h
Extremely strong
19 km/h
Breezy
11 km/h
Light
5 km/h
Calm
8 km/h
Calm
Humidity
18%
Extremely dry
18%
Extremely dry
20%
Very dry
23%
Very dry
15%
Extremely dry
18%
Extremely dry
21%
Very dry
21%
Very dry
23%
Very 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
1004 hPa
Very low
1003 hPa
Very low
1002 hPa
Very low
1002 hPa
Very low
1002 hPa
Very low
1002 hPa
Very low
1001 hPa
Very low
1001 hPa
Very low
1002 hPa
Very low
Clouds
1%
3%
89%
95%
99%
0%
68%
5%
97%
Dew point
7°
7°
8°
8°
4°
6°
8°
7°
7°
UV Index
9
9
8
3
2
1
1
0
0
Air quality
51
Moderate
52
Moderate
52
Moderate
53
Moderate
54
Moderate
54
Moderate
55
Moderate
41
Good
37
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
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
Pollutants
Low risk
High risk
PM10
28 μg/m3
28 μg/m3
28 μg/m3
28 μg/m3
28 μg/m3
28 μg/m3
28 μg/m3
5.1 μg/m3
5.2 μg/m3
PM25
9.2 μg/m3
9.4 μg/m3
9.8 μg/m3
10.1 μg/m3
10.5 μg/m3
10.8 μg/m3
11.2 μg/m3
3.2 μg/m3
3.5 μg/m3
NO2
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
0.4 ppb
0.8 ppb
1.3 ppb
1.7 ppb
SO2
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
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
39 ppb
39.4 ppb
40 ppb
40.7 ppb
41.3 ppb
42 ppb
42.5 ppb
44.4 ppb
40 ppb