Hourly Weather in Sumner, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
33 km/h
Strong
33 km/h
Strong
27 km/h
Breezy
36 km/h
Strong
37 km/h
Strong
32 km/h
Breezy
26 km/h
Breezy
17 km/h
Breezy
12 km/h
Light
Humidity
27%
Very dry
26%
Very dry
24%
Very dry
20%
Very dry
18%
Extremely dry
18%
Extremely dry
17%
Extremely dry
19%
Extremely 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
1005 hPa
Low
1005 hPa
Low
1005 hPa
Low
1004 hPa
Very low
1004 hPa
Very low
1004 hPa
Low
1004 hPa
Low
1005 hPa
Low
Clouds
0%
0%
0%
0%
1%
0%
0%
0%
0%
Dew point
9°
9°
9°
7°
6°
5°
5°
5°
6°
UV Index
7
7
6
4
3
1
1
0
0
Air quality
81
Moderate
83
Moderate
86
Moderate
88
Moderate
90
Moderate
92
Moderate
54
Moderate
52
Moderate
51
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
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
4 / 5
4 / 5
3 / 5
Pollutants
Low risk
High risk
PM10
26.1 μg/m3
24.4 μg/m3
21 μg/m3
16.6 μg/m3
27 μg/m3
27 μg/m3
10.7 μg/m3
10 μg/m3
9.5 μg/m3
PM25
25 μg/m3
26.1 μg/m3
27.3 μg/m3
28.6 μg/m3
29.8 μg/m3
30.8 μg/m3
10.4 μg/m3
9.7 μg/m3
9.2 μg/m3
NO2
0.3 ppb
0.3 ppb
0.2 ppb
0.3 ppb
0.3 ppb
0.4 ppb
0.9 ppb
1.4 ppb
2 ppb
SO2
0.1 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
0.1 ppb
0.1 ppb
O3
28.7 ppb
32.3 ppb
36.5 ppb
40.8 ppb
44.9 ppb
48.5 ppb
52.4 ppb
48.3 ppb
44.6 ppb