Hourly Weather in Fort Smith, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
17 km/h
Breezy
25 km/h
Breezy
24 km/h
Breezy
15 km/h
Light
8 km/h
Calm
24 km/h
Breezy
21 km/h
Breezy
10 km/h
Light
26 km/h
Breezy
Humidity
17%
Extremely dry
15%
Extremely dry
15%
Extremely dry
14%
Extremely dry
13%
Extremely dry
14%
Extremely dry
14%
Extremely dry
13%
Extremely dry
14%
Extremely 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
1004 hPa
Low
1003 hPa
Very low
1003 hPa
Very low
1003 hPa
Very low
1002 hPa
Very low
1002 hPa
Very low
1002 hPa
Very low
Clouds
5%
3%
2%
8%
85%
97%
97%
70%
31%
Dew point
7°
6°
6°
6°
5°
6°
6°
5°
6°
UV Index
7
9
9
8
6
4
3
1
0
Air quality
30
Good
34
Good
40
Good
46
Good
52
Moderate
54
Moderate
56
Moderate
46
Good
45
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
11.4 μg/m3
11.1 μg/m3
PM25
5.4 μg/m3
6.1 μg/m3
7.1 μg/m3
8.2 μg/m3
9.4 μg/m3
10.5 μg/m3
11.5 μg/m3
6.3 μg/m3
6.3 μg/m3
NO2
0.4 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.1 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.5 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
23.5 ppb
25.1 ppb
27.4 ppb
30 ppb
32.8 ppb
35.4 ppb
37.6 ppb
50 ppb
48.4 ppb