Hourly Weather in Caldwell, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
7 mph
Light
7 mph
Light
7 mph
Light
7 mph
Light
8 mph
Light
9 mph
Light
10 mph
Light
10 mph
Light
11 mph
Breezy
Humidity
47%
Comfortable
40%
Dry
36%
Dry
32%
Dry
28%
Very dry
25%
Very dry
22%
Very dry
20%
Very dry
19%
Extremely 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
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1010 hPa
Normal
1009 hPa
Normal
1008 hPa
Low
1007 hPa
Low
Clouds
0%
0%
0%
0%
0%
1%
17%
79%
23%
Dew point
39°
40°
41°
41°
40°
39°
38°
37°
36°
UV Index
0
1
3
5
6
8
9
6
4
Air quality
14
Good
19
Good
24
Good
29
Good
34
Good
40
Good
42
Good
44
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
3 / 5
2 / 5
2 / 5
3 / 5
3 / 5
3 / 5
3 / 5
3 / 5
4 / 5
Pollutants
Low risk
High risk
PM10
0.05 μg/ft3
0.05 μg/ft3
0.05 μg/ft3
0.04 μg/ft3
0.04 μg/ft3
0.04 μg/ft3
0.04 μg/ft3
0.04 μg/ft3
0.05 μg/ft3
PM25
0.05 μg/ft3
0.05 μg/ft3
0.04 μg/ft3
0.04 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
0.03 μg/ft3
NO2
2.4 ppb
1.6 ppb
0.8 ppb
0.6 ppb
0.4 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 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
15.3 ppb
20 ppb
25.7 ppb
31.4 ppb
37 ppb
42.6 ppb
45.7 ppb
47.7 ppb
48.9 ppb