Hourly Weather in Custer County, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
5 km/h
Calm
11 km/h
Light
12 km/h
Light
9 km/h
Light
7 km/h
Calm
1 km/h
Calm
5 km/h
Calm
4 km/h
Calm
2 km/h
Calm
Humidity
17%
Extremely dry
21%
Very dry
21%
Very dry
21%
Very dry
22%
Very dry
24%
Very dry
23%
Very dry
23%
Very dry
25%
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
1003 hPa
Very low
1004 hPa
Low
1004 hPa
Low
1005 hPa
Low
1005 hPa
Low
1005 hPa
Low
1005 hPa
Low
Clouds
0%
0%
0%
0%
0%
1%
1%
36%
98%
Dew point
7°
7°
7°
7°
6°
6°
6°
6°
6°
UV Index
0
0
0
0
0
0
0
0
0
Air quality
76
Moderate
73
Moderate
70
Moderate
66
Moderate
62
Moderate
59
Moderate
63
Moderate
62
Moderate
61
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
3 / 5
3 / 5
3 / 5
3 / 5
3 / 5
3 / 5
3 / 5
2 / 5
2 / 5
Pollutants
Low risk
High risk
PM10
15.8 μg/m3
15.9 μg/m3
16.1 μg/m3
9.7 μg/m3
9.7 μg/m3
9.7 μg/m3
16.4 μg/m3
15.8 μg/m3
15 μg/m3
PM25
22.5 μg/m3
20.9 μg/m3
18.9 μg/m3
16.8 μg/m3
14.9 μg/m3
13.2 μg/m3
15.4 μg/m3
15 μg/m3
14.2 μg/m3
NO2
1.7 ppb
1.9 ppb
2.2 ppb
2.3 ppb
2.3 ppb
2.4 ppb
2.7 ppb
3 ppb
3.3 ppb
SO2
0.1 ppb
0.1 ppb
0.1 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
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
49.8 ppb
49 ppb
48.1 ppb
47.2 ppb
46.2 ppb
45.5 ppb
25.8 ppb
23 ppb
20.1 ppb