Hourly Weather in Foster, Montana, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
17 km/h
Breezy
14 km/h
Light
12 km/h
Light
17 km/h
Breezy
11 km/h
Light
5 km/h
Calm
10 km/h
Light
7 km/h
Calm
8 km/h
Calm
Humidity
15%
Extremely dry
14%
Extremely dry
14%
Extremely dry
12%
Extremely dry
15%
Extremely dry
15%
Extremely dry
17%
Extremely dry
19%
Extremely dry
23%
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
1003 hPa
Very low
1003 hPa
Very low
1002 hPa
Very low
1003 hPa
Very low
1003 hPa
Very low
1004 hPa
Very low
1005 hPa
Low
1006 hPa
Low
1006 hPa
Low
Clouds
0%
0%
0%
4%
7%
53%
57%
0%
50%
Dew point
8°
7°
6°
4°
4°
4°
5°
5°
7°
UV Index
3
1
1
0
0
0
0
0
0
Air quality
47
Good
48
Good
49
Good
50
Moderate
50
Moderate
51
Moderate
51
Moderate
41
Good
42
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
4 / 5
4 / 5
4 / 5
5 / 5
5 / 5
5 / 5
Pollutants
Low risk
High risk
PM10
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
12.9 μg/m3
8.1 μg/m3
8.3 μg/m3
PM25
8.4 μg/m3
8.5 μg/m3
8.7 μg/m3
8.9 μg/m3
9 μg/m3
9.2 μg/m3
9.3 μg/m3
7.3 μg/m3
7.5 μg/m3
NO2
0.2 ppb
0.2 ppb
0.7 ppb
1.1 ppb
1.5 ppb
2 ppb
2.6 ppb
3.2 ppb
3.6 ppb
SO2
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 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
43.3 ppb
43.5 ppb
43.8 ppb
44.1 ppb
44.5 ppb
44.8 ppb
45.2 ppb
31 ppb
27.7 ppb