Hourly Weather in Alcester, South Dakota, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
18 km/h
Breezy
17 km/h
Breezy
15 km/h
Light
16 km/h
Light
15 km/h
Light
14 km/h
Light
14 km/h
Light
15 km/h
Light
14 km/h
Light
Humidity
86%
Extremely humid
84%
Extremely humid
80%
Extremely humid
76%
Extremely humid
73%
Extremely humid
70%
Extremely humid
69%
Humid
68%
Humid
70%
Extremely humid
Visibility
15 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
1014 hPa
Normal
1013 hPa
Normal
1013 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1012 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
Clouds
100%
100%
97%
100%
100%
69%
29%
12%
3%
Dew point
18°
18°
18°
19°
19°
19°
19°
19°
19°
UV Index
3
4
4
3
2
2
1
1
0
Air quality
40
Good
44
Good
49
Good
53
Moderate
55
Moderate
57
Moderate
59
Moderate
48
Good
47
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
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
15.1 μg/m3
15.1 μg/m3
15.1 μg/m3
15.1 μg/m3
15.1 μg/m3
15.1 μg/m3
15.1 μg/m3
9.2 μg/m3
7.9 μg/m3
PM25
7.1 μg/m3
7.8 μg/m3
8.8 μg/m3
9.9 μg/m3
11 μg/m3
12.1 μg/m3
13.1 μg/m3
8.3 μg/m3
7.3 μg/m3
NO2
1.5 ppb
1.2 ppb
1.2 ppb
1.1 ppb
1 ppb
1.2 ppb
1.3 ppb
1.1 ppb
1.7 ppb
SO2
0.7 ppb
0.6 ppb
0.6 ppb
0.6 ppb
0.5 ppb
0.5 ppb
0.6 ppb
0.2 ppb
0.3 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
28.8 ppb
30.2 ppb
32.1 ppb
34.3 ppb
36.7 ppb
38.9 ppb
40.8 ppb
51.8 ppb
50.6 ppb