Hourly Weather in Harrison, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
12 km/h
Light
17 km/h
Breezy
18 km/h
Breezy
17 km/h
Breezy
16 km/h
Breezy
19 km/h
Breezy
23 km/h
Breezy
20 km/h
Breezy
21 km/h
Breezy
Humidity
35%
Dry
32%
Dry
32%
Dry
34%
Dry
35%
Dry
35%
Dry
31%
Dry
28%
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
1005 hPa
Low
1006 hPa
Low
1006 hPa
Low
1007 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
Clouds
36%
100%
6%
26%
22%
86%
22%
0%
0%
Dew point
8°
7°
7°
7°
7°
7°
8°
8°
7°
UV Index
0
0
0
0
0
0
1
2
4
Air quality
39
Good
42
Good
45
Good
50
Moderate
52
Moderate
54
Moderate
55
Moderate
25
Good
30
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
18.3 μg/m3
18.3 μg/m3
18.3 μg/m3
18.3 μg/m3
18.3 μg/m3
18.3 μg/m3
18.3 μg/m3
5.4 μg/m3
5.7 μg/m3
PM25
7 μg/m3
7.5 μg/m3
8.1 μg/m3
8.9 μg/m3
9.6 μg/m3
10.4 μg/m3
11 μg/m3
4.1 μg/m3
4.1 μg/m3
NO2
4 ppb
4.1 ppb
4 ppb
3.9 ppb
3.8 ppb
2.9 ppb
2 ppb
1.1 ppb
0.8 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
36.1 ppb
37 ppb
38.2 ppb
39.7 ppb
41.2 ppb
42.7 ppb
43.9 ppb
26.5 ppb
32 ppb