Daily Weather in Letcher, South Dakota, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
27 km/h
Breezy
17 km/h
Breezy
17 km/h
Breezy
17 km/h
Breezy
15 km/h
Light
14 km/h
Light
15 km/h
Light
23 km/h
Breezy
30 km/h
Breezy
Humidity
95%
Extremely humid
96%
Extremely humid
78%
Extremely humid
89%
Extremely humid
98%
Extremely humid
97%
Extremely humid
94%
Extremely humid
87%
Extremely humid
76%
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
1009 hPa
Low
1012 hPa
Normal
1013 hPa
Normal
1011 hPa
Normal
1013 hPa
Normal
1015 hPa
Normal
1016 hPa
Normal
1011 hPa
Normal
1011 hPa
Normal
Clouds
93%
100%
70%
66%
94%
64%
7%
72%
98%
Dew point
27°
26°
19°
22°
23°
23°
21°
20°
19°
UV Index
9
8
8
8
5
0
Air quality
47
Good
65
Moderate
55
Moderate
58
Moderate
43
Good
Pollen index
Tree
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
Grass
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
0 / 5
Pollutants
Low risk
High risk
PM10
16.2 μg/m3
16.7 μg/m3
11.9 μg/m3
9 μg/m3
4.5 μg/m3
2.9 μg/m3
PM25
11.3 μg/m3
16.4 μg/m3
11.4 μg/m3
8.2 μg/m3
4 μg/m3
2.8 μg/m3
NO2
8.9 ppb
7.8 ppb
7.4 ppb
6.9 ppb
4.2 ppb
2.6 ppb
SO2
0.3 ppb
0.3 ppb
0.3 ppb
0.3 ppb
0.1 ppb
0.1 ppb
CO
0.2 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.1 ppb
0.1 ppb
O3
50.7 ppb
55.1 ppb
58 ppb
64.3 ppb
46.4 ppb
29.1 ppb