Hourly Weather in Grindstone, South Dakota, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
1 km/h
Calm
3 km/h
Calm
3 km/h
Calm
2 km/h
Calm
6 km/h
Calm
8 km/h
Calm
7 km/h
Calm
7 km/h
Calm
8 km/h
Calm
Humidity
52%
Comfortable
54%
Comfortable
47%
Comfortable
40%
Dry
33%
Dry
28%
Very dry
24%
Very dry
22%
Very dry
21%
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
1006 hPa
Low
1005 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
1006 hPa
Low
1005 hPa
Low
1005 hPa
Low
1004 hPa
Low
Clouds
100%
4%
0%
41%
49%
43%
20%
11%
15%
Dew point
15°
15°
15°
16°
16°
15°
14°
14°
14°
UV Index
0
1
2
3
6
8
9
9
8
Air quality
64
Moderate
65
Moderate
65
Moderate
66
Moderate
66
Moderate
43
Good
43
Good
45
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
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 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
8.1 μg/m3
8.2 μg/m3
8.3 μg/m3
8.3 μg/m3
PM25
16 μg/m3
16.3 μg/m3
16.6 μg/m3
17 μg/m3
17.2 μg/m3
7.6 μg/m3
7.7 μg/m3
7.7 μg/m3
7.6 μg/m3
NO2
1.7 ppb
1.4 ppb
1.2 ppb
1 ppb
0.8 ppb
0.6 ppb
0.4 ppb
0.3 ppb
0.2 ppb
SO2
0.2 ppb
0.2 ppb
0.2 ppb
0.3 ppb
0.2 ppb
0.2 ppb
0.2 ppb
0.2 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
53.5 ppb
53.9 ppb
54.3 ppb
54.6 ppb
54.9 ppb
40.5 ppb
46.1 ppb
48.7 ppb
50.1 ppb