Hourly Weather in Stephan, South Dakota, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
13 mph
Breezy
15 mph
Breezy
15 mph
Breezy
13 mph
Breezy
15 mph
Breezy
14 mph
Breezy
15 mph
Breezy
14 mph
Breezy
18 mph
Breezy
Humidity
82%
Extremely humid
78%
Extremely humid
74%
Extremely humid
64%
Humid
64%
Humid
67%
Humid
77%
Extremely humid
79%
Extremely humid
78%
Extremely humid
Visibility
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
10 mi
Good
3 mi
Fair
5 mi
Fair
10 mi
Good
Pressure
1004 hPa
Very low
1003 hPa
Very low
1003 hPa
Very low
1000 hPa
Very low
1001 hPa
Very low
1001 hPa
Very low
1001 hPa
Very low
1001 hPa
Very low
1001 hPa
Very low
Clouds
7%
69%
100%
100%
95%
91%
100%
96%
92%
Dew point
64°
64°
66°
65°
65°
65°
66°
65°
63°
UV Index
1
1
2
4
5
3
2
1
0
Air quality
29
Good
29
Good
30
Good
32
Good
34
Good
35
Good
36
Good
37
Good
37
Good
Pollen index
Tree
0 / 5
1 / 5
0 / 5
0 / 5
0 / 5
0 / 5
1 / 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
1 / 5
1 / 5
1 / 5
1 / 5
0 / 5
0 / 5
1 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
0.22 μg/ft3
0.20 μg/ft3
0.20 μg/ft3
0.19 μg/ft3
0.20 μg/ft3
0.25 μg/ft3
0.32 μg/ft3
0.37 μg/ft3
0.35 μg/ft3
PM25
0.15 μg/ft3
0.14 μg/ft3
0.14 μg/ft3
0.13 μg/ft3
0.14 μg/ft3
0.16 μg/ft3
0.20 μg/ft3
0.23 μg/ft3
0.23 μg/ft3
NO2
1.63 ppb
1.56 ppb
1.29 ppb
1.03 ppb
0.76 ppb
0.8 ppb
0.84 ppb
0.88 ppb
0.94 ppb
SO2
0.1 ppb
0.06 ppb
0.06 ppb
0.05 ppb
0.04 ppb
0.04 ppb
0.05 ppb
0.05 ppb
0.06 ppb
CO
0.18 ppb
0.18 ppb
0.17 ppb
0.17 ppb
0.17 ppb
0.16 ppb
0.16 ppb
0.16 ppb
0.14 ppb
O3
32.35 ppb
33.24 ppb
35.69 ppb
38.14 ppb
40.59 ppb
41.23 ppb
41.87 ppb
42.52 ppb
40.48 ppb