Hourly Weather in Caldwell, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
6 mph
Light
6 mph
Light
6 mph
Light
7 mph
Light
6 mph
Light
6 mph
Light
7 mph
Light
8 mph
Light
8 mph
Light
Humidity
43%
Dry
40%
Dry
35%
Dry
29%
Very dry
29%
Very dry
27%
Very dry
26%
Very dry
25%
Very dry
24%
Very 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
1018 hPa
High
1019 hPa
High
1018 hPa
High
1018 hPa
Normal
1018 hPa
High
1018 hPa
Normal
1018 hPa
Normal
1017 hPa
Normal
1017 hPa
Normal
Clouds
100%
95%
70%
43%
66%
25%
23%
28%
79%
Dew point
34°
34°
33°
33°
33°
33°
33°
33°
32°
UV Index
1
1
2
3
4
5
5
4
3
Air quality
165
Unhealthy
168
Unhealthy
172
Unhealthy
176
Unhealthy
179
Unhealthy
137
Unhealthy for sensitive groups
140
Unhealthy for sensitive groups
136
Unhealthy for sensitive groups
138
Unhealthy for sensitive groups
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
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
1.15 μg/ft3
1.21 μg/ft3
1.31 μg/ft3
1.40 μg/ft3
1.48 μg/ft3
1.51 μg/ft3
1.55 μg/ft3
1.51 μg/ft3
1.53 μg/ft3
PM25
2.14 μg/ft3
2.26 μg/ft3
2.40 μg/ft3
2.54 μg/ft3
2.68 μg/ft3
1.42 μg/ft3
1.45 μg/ft3
1.40 μg/ft3
1.42 μg/ft3
NO2
2.2 ppb
1.9 ppb
1.4 ppb
1 ppb
0.6 ppb
0.5 ppb
0.5 ppb
0.4 ppb
0.5 ppb
SO2
0.3 ppb
0.3 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
CO
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
O3
21.3 ppb
25 ppb
29.3 ppb
33.7 ppb
37.9 ppb
52.6 ppb
55.3 ppb
56.7 ppb
58.4 ppb