Hourly Weather in Promise, South Dakota, United States
∙ View on Radar5 min
1 hour
6 hours
1 day
Wind
23 km/h
Breezy
22 km/h
Breezy
21 km/h
Breezy
23 km/h
Breezy
22 km/h
Breezy
16 km/h
Light
10 km/h
Light
18 km/h
Breezy
19 km/h
Breezy
Humidity
28%
Very dry
27%
Very dry
24%
Very dry
23%
Very dry
23%
Very dry
26%
Very dry
32%
Dry
38%
Dry
42%
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
1004 hPa
Low
1004 hPa
Low
1004 hPa
Low
1004 hPa
Very low
1004 hPa
Low
1005 hPa
Low
1005 hPa
Low
Clouds
0%
0%
1%
3%
6%
0%
0%
0%
0%
Dew point
14°
14°
13°
13°
13°
14°
15°
16°
16°
UV Index
8
6
4
2
1
0
0
0
0
Air quality
54
Moderate
54
Moderate
55
Moderate
57
Moderate
58
Moderate
59
Moderate
61
Moderate
49
Good
50
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
14.5 μg/m3
20.5 μg/m3
20.5 μg/m3
20.5 μg/m3
20.5 μg/m3
20.5 μg/m3
20.5 μg/m3
9.4 μg/m3
9.7 μg/m3
PM25
10.4 μg/m3
10.8 μg/m3
11.4 μg/m3
12.1 μg/m3
12.8 μg/m3
13.5 μg/m3
14.1 μg/m3
8.8 μg/m3
9 μg/m3
NO2
0.3 ppb
0.2 ppb
0.3 ppb
0.4 ppb
0.5 ppb
0.9 ppb
1.4 ppb
1.4 ppb
1.6 ppb
SO2
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
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
46.4 ppb
46.5 ppb
46.7 ppb
46.8 ppb
47 ppb
47.2 ppb
47.3 ppb
41.6 ppb
38.5 ppb