Corson County, South Dakota, United States

Last updated: 5:50 PM CDT  ·  Refresh
36°C
Feels like 34°
Clear
▲ 36°  /  ▼ 19°
Wind
14 mph SSE
Humidity
22%
Dew Point
11°
Pressure
27.89 inHg
Visibility
10 mi
UV Index
6.8
Cloud Cover
0%
Sunrise
5:09 AM
Sunset
8:30 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Corson County is currently clear at 35°C. Dry conditions are expected through the next 24 hours. Sunrise: 5:09AM · Sunset: 8:30PM.

Alerts

No active alerts for this location.
46 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
3%
5 PM
36°
8%
6 PM
34°
8%
7 PM
32°
8%
8 PM
28°
8%
9 PM
27°
8%
10 PM
26°
3%
11 PM
25°
3%
12 AM
23°
3%
1 AM
23°
3%
2 AM
22°
3%
3 AM
21°
3%
4 AM
19°
3%
5 AM
19°
3%
6 AM
21°
3%
7 AM
24°
3%
8 AM
27°
3%
9 AM
28°
3%
10 AM
30°
3%
11 AM
33°
3%
12 PM
36°
3%
1 PM
36°
10%
2 PM
36°
10%
3 PM
36°
13%
7-Day Forecast
Today
36° 19°
Clear.
Thu
39° 19°
Mostly Clear.
Fri
35° 21°
Partly Cloudy.
Sat
34° 19°
Mostly Cloudy.
Sun
39° 19°
Mostly Clear.
Mon
35° 19°
Clear.
Tue
31° 18°
Partly Cloudy.
TimeTempConditionsPrecipWindHumidity
Now 36° Clear 3% 14 mph SSE 22%
5 PM 36° Clear 8% 14 mph SE 22%
6 PM 34° Clear 8% 13 mph SE 25%
7 PM 32° Clear 8% 12 mph SE 30%
8 PM 28° Clear 8% 11 mph SE 34%
9 PM 27° Clear 8% 10 mph ESE 39%
10 PM 26° Clear 3% 11 mph SE 43%
11 PM 25° Clear 3% 11 mph SE 46%
12 AM 23° Clear 3% 10 mph SE 49%
1 AM 23° Clear 3% 9 mph SE 53%
2 AM 22° Clear 3% 8 mph SE 57%
3 AM 21° Clear 3% 7 mph SE 59%
4 AM 19° Clear 3% 7 mph SE 62%
5 AM 19° Clear 3% 6 mph SE 63%
6 AM 21° Mostly Clear 3% 8 mph SE 58%
7 AM 24° Mostly Clear 3% 8 mph SSE 50%
8 AM 27° Mostly Clear 3% 8 mph SSE 44%
9 AM 28° Mostly Clear 3% 9 mph SSE 38%
10 AM 30° Mostly Clear 3% 10 mph SSE 33%
11 AM 33° Mostly Clear 3% 11 mph SSE 29%
12 PM 36° Mostly Clear 3% 10 mph SSE 27%
1 PM 36° Mostly Clear 10% 9 mph SSE 26%
2 PM 36° Mostly Clear 10% 9 mph S 25%
3 PM 36° Mostly Clear 13% 8 mph S 26%
15-Day Forecast
Today
7/15
Clear
8%
19°
36°
Thu
7/16
Mostly Clear
14%
19°
39°
Fri
7/17
Partly Cloudy
6%
21°
35°
Sat
7/18
Mostly Cloudy
17%
19°
34°
Sun
7/19
Mostly Clear
19%
19°
39°
Mon
7/20
Clear
9%
19°
35°
Tue
7/21
Partly Cloudy
9%
18°
31°
Wed
7/22
Overcast
60%
18°
31°
Thu
7/23
Drizzle
60%
17°
33°
Fri
7/24
Drizzle
60%
14°
34°
Sat
7/25
Drizzle
60%
12°
33°
Sun
7/26
Drizzle
60%
19°
34°
Mon
7/27
Drizzle
60%
20°
34°
Tue
7/28
Drizzle
60%
21°
35°
Wed
7/29
Drizzle
60%
21°
35°
46
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
28 AQI 5.1 µg/m³
O3
Ground-level ozone
Dominant
46 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 46 Good 46 28
Fri 49 Good 49 33
Sat 44 Good 44 34
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Jul 15, 21:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE81 J/kg
MLCAPE17 J/kg
MUCAPE81 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index2.2
Kinematics
0–6 km Shear17 kt
0–1 km Shear2 kt
Eff. Shear—
0–1 km SRH4
0–3 km SRH-14
Eff. SRH—
Storm Motion181° @ 22 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index28.1
Thermo & Levels
PWAT0.90 in
0–3 km LR8.9 °C/km
700–500 LR5.2 °C/km
Total Totals41.6
LCL668 hPa
LFC944 hPa
EL708 hPa
Freezing Lvl15,331 ft