Hourly Weather in Stephan, South Dakota, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
19 km/h
Breezy
20 km/h
Breezy
19 km/h
Breezy
19 km/h
Breezy
21 km/h
Breezy
20 km/h
Breezy
20 km/h
Breezy
19 km/h
Breezy
18 km/h
Breezy
Humidity
61%
Humid
50%
Comfortable
47%
Comfortable
46%
Comfortable
46%
Comfortable
49%
Comfortable
58%
Comfortable
69%
Humid
78%
Extremely humid
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
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1008 hPa
Low
1007 hPa
Low
1007 hPa
Low
1007 hPa
Low
1007 hPa
Low
Clouds
0%
1%
0%
0%
0%
0%
0%
0%
1%
Dew point
21°
19°
18°
18°
18°
19°
19°
20°
21°
UV Index
8
6
4
2
1
0
0
0
0
Air quality
51
Moderate
52
Moderate
53
Moderate
55
Moderate
57
Moderate
61
Moderate
63
Moderate
54
Moderate
52
Moderate
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
13.4 μg/m3
13.3 μg/m3
13.3 μg/m3
13.1 μg/m3
12.8 μg/m3
47.5 μg/m3
47.5 μg/m3
11.3 μg/m3
10.4 μg/m3
PM25
9.1 μg/m3
9.4 μg/m3
10.1 μg/m3
11 μg/m3
12.1 μg/m3
14.3 μg/m3
15.2 μg/m3
10.6 μg/m3
9.7 μg/m3
NO2
0.4 ppb
0.4 ppb
0.4 ppb
0.4 ppb
0.5 ppb
0.9 ppb
1.4 ppb
1.7 ppb
1.9 ppb
SO2
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
O3
48.1 ppb
49.7 ppb
50.3 ppb
36.3 ppb
38 ppb
41.3 ppb
42.7 ppb
43.6 ppb
40.8 ppb