Hourly Weather in Dewey, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
14 mph
Breezy
15 mph
Breezy
16 mph
Breezy
16 mph
Breezy
17 mph
Breezy
17 mph
Breezy
16 mph
Breezy
11 mph
Breezy
8 mph
Light
Humidity
22%
Very dry
23%
Very dry
23%
Very dry
23%
Very dry
25%
Very dry
25%
Very dry
26%
Very dry
29%
Very dry
31%
Dry
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
Pressure
1009 hPa
Normal
1009 hPa
Normal
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1009 hPa
Low
1010 hPa
Normal
Clouds
10%
61%
100%
100%
100%
100%
100%
100%
100%
Dew point
35°
36°
36°
36°
37°
35°
34°
34°
32°
UV Index
8
7
5
3
1
0
0
0
0
Air quality
49
Good
48
Good
48
Good
49
Good
50
Moderate
52
Moderate
51
Moderate
50
Moderate
50
Moderate
Pollen index
Tree
1 / 5
1 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
2 / 5
Weed
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Grass
3 / 5
1 / 5
1 / 5
2 / 5
2 / 5
2 / 5
2 / 5
1 / 5
2 / 5
Pollutants
Low risk
High risk
PM10
0.16 μg/ft3
0.14 μg/ft3
0.13 μg/ft3
0.12 μg/ft3
0.13 μg/ft3
0.13 μg/ft3
0.13 μg/ft3
0.13 μg/ft3
0.14 μg/ft3
PM25
0.10 μg/ft3
0.09 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.08 μg/ft3
0.09 μg/ft3
0.09 μg/ft3
NO2
0.11 ppb
0.1 ppb
0.13 ppb
0.15 ppb
0.17 ppb
0.26 ppb
0.34 ppb
0.42 ppb
0.42 ppb
SO2
0.05 ppb
0.05 ppb
0.05 ppb
0.05 ppb
0.06 ppb
0.06 ppb
0.07 ppb
0.08 ppb
0.08 ppb
CO
0.11 ppb
0.1 ppb
0.11 ppb
0.11 ppb
0.11 ppb
0.11 ppb
0.11 ppb
0.11 ppb
0.11 ppb
O3
52.62 ppb
51.15 ppb
53.12 ppb
55.08 ppb
57.05 ppb
55.66 ppb
54.28 ppb
52.9 ppb
50.31 ppb