Wind Advisory — Corson, SD, Dewey, SD 10:00 PM

Corson County, South Dakota, United States

Last updated: 4:58 PM CDT  ·  Refresh
21°C
Feels like 14°
Mostly Clear
▲ 22°  /  ▼ 10°
Wind
17 mph SE
Humidity
38%
Dew Point
6°
Pressure
27.98 inHg
Visibility
10 mi
UV Index
6.1
Cloud Cover
18%
Sunrise
6:19 AM
Sunset
6:59 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Corson County is currently mostly clear at 21°C. Precipitation is likely — peak probability 83% around 3 AM. Sunrise: 6:19AM · Sunset: 6:59PM.

Alerts

Wind Advisory
Corson, SD, Dewey, SD
Expires 10:00 PM
30 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
4%
4 PM
21°
4%
5 PM
21°
4%
6 PM
19°
20%
7 PM
18°
20%
8 PM
16°
29%
9 PM
16°
38%
10 PM
16°
43%
11 PM
16°
52%
12 AM
14°
64%
1 AM
14°
64%
2 AM
14°
77%
3 AM
13°
83%
4 AM
11°
71%
5 AM
11°
53%
6 AM
12°
66%
7 AM
12°
63%
8 AM
14°
63%
9 AM
14°
63%
10 AM
17°
43%
11 AM
17°
27%
12 PM
19°
22%
1 PM
19°
22%
2 PM
20°
20%
7-Day Forecast
Today
22° 10°
Mostly Clear with a 38% chance of rain.
Mon
22° 11°
Mostly Cloudy with a 83% chance of rain.
Tue
20° 6°
Partly Cloudy.
Wed
20° 8°
Mostly Cloudy with a 49% chance of rain.
Thu
25° 7°
Drizzle, 67% chance.
Fri
22° 12°
Rain, 78% chance.
Sat
21° 11°
Partly Cloudy with a 52% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 21° Mostly Clear 4% 17 mph SE 38%
4 PM 21° Clear 4% 16 mph SE 37%
5 PM 21° Partly Cloudy 4% 15 mph SE 39%
6 PM 19° Mostly Clear 20% 13 mph SE 41%
7 PM 18° Mostly Clear 20% 14 mph SE 44%
8 PM 16° Partly Cloudy 29% 14 mph SE 47%
9 PM 16° Mostly Cloudy 38% 16 mph SE 49%
10 PM 16° Mostly Cloudy 43% 18 mph SE 50%
11 PM 16° Overcast 52% 19 mph SSE 55%
12 AM 14° Overcast 64% 19 mph SSE 66%
1 AM 14° Overcast 64% 19 mph SE 75%
2 AM 14° Rain 77% 18 mph SSE 80%
3 AM 13° Overcast 83% 18 mph SSE 83%
4 AM 11° Overcast 71% 21 mph SE 85%
5 AM 11° Overcast 53% 20 mph SE 87%
6 AM 12° Overcast 66% 18 mph SSE 86%
7 AM 12° Overcast 63% 16 mph SSE 86%
8 AM 14° Overcast 63% 15 mph S 85%
9 AM 14° Overcast 63% 13 mph S 81%
10 AM 17° Mostly Cloudy 43% 14 mph SSW 77%
11 AM 17° Mostly Cloudy 27% 18 mph WSW 73%
12 PM 19° Mostly Cloudy 22% 19 mph WSW 64%
1 PM 19° Partly Cloudy 22% 20 mph WSW 55%
2 PM 20° Partly Cloudy 20% 21 mph WSW 45%
15-Day Forecast
Today
9/13
Mostly Clear
38%
10°
22°
Mon
9/14
Mostly Cloudy
83%
11°
22°
Tue
9/15
Partly Cloudy
7%
6°
20°
Wed
9/16
Mostly Cloudy
49%
8°
20°
Thu
9/17
Drizzle
67%
7°
25°
Fri
9/18
Rain
78%
12°
22°
Sat
9/19
Partly Cloudy
52%
11°
21°
Sun
9/20
Drizzle
68%
10°
21°
Mon
9/21
Drizzle
60%
10°
22°
Tue
9/22
Overcast
50%
9°
24°
Wed
9/23
Drizzle
60%
10°
25°
Thu
9/24
Drizzle
60%
14°
25°
Fri
9/25
Drizzle
60%
14°
24°
Sat
9/26
Drizzle
60%
13°
22°
Sun
9/27
Clear
60%
12°
21°
30
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
12 AQI 2.2 µg/m³
O3
Ground-level ozone
Dominant
30 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Mon 30 Good 30 12
Tue 33 Good 33 13
Wed 31 Good 31 16
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 Sun Sep 13, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE13 J/kg
MLCAPE7 J/kg
MUCAPE5 J/kg
SBCIN-2 J/kg
MLCIN-5 J/kg
Lifted Index8.0
Kinematics
0–6 km Shear57 kt
0–1 km Shear13 kt
Eff. Shear—
0–1 km SRH125
0–3 km SRH315
Eff. SRH—
Storm Motion312° @ 16 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index12.5
Thermo & Levels
PWAT0.99 in
0–3 km LR4.5 °C/km
700–500 LR7.7 °C/km
Total Totals37.7
LCL763 hPa
LFC917 hPa
EL844 hPa
Freezing Lvl12,740 ft