Heat Advisory — McPherson, SD, Brown, SD, Marshall, SD, Roberts, SD, Edmunds, SD, Day, SD, Clark, SD, Grant, SD, Deuel, SD, Corson, SD, Campbell, SD, Walworth, SD, Dewey, SD, Potter, SD, Faulk, SD, Spink, SD, Stanley, SD, Sully, SD, Hughes, SD, Hyde, SD, Hand, SD, Jones, SD, Lyman, SD, Buffalo, SD 9:00 PM

Potter County, South Dakota, United States

Last updated: 6:18 PM CDT  ·  Refresh
35°C
Feels like 35°
Mostly Clear
▲ 36°  /  ▼ 20°
Wind
15 mph SSE
Humidity
30%
Dew Point
16°
Pressure
27.74 inHg
Visibility
10 mi
UV Index
5.7
Cloud Cover
25%
Sunrise
6:21 AM
Sunset
9:10 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Potter County is currently mostly clear at 35°C. Precipitation is likely — peak probability 86% around 8 AM. Atmospheric instability is elevated (CAPE up to 1308 J/kg) — isolated convective development possible. Sunrise: 6:21AM · Sunset: 9:10PM.

Alerts

Heat Advisory
McPherson, SD, Brown, SD, Marshall, SD, Roberts, SD, Edmunds, SD, Day, SD, Clark, SD, Grant, SD, Deuel, SD, Corson, SD, Campbell, SD, Walworth, SD, Dewey, SD, Potter, SD, Faulk, SD, Spink, SD, Stanley, SD, Sully, SD, Hughes, SD, Hyde, SD, Hand, SD, Jones, SD, Lyman, SD, Buffalo, SD
Expires 9:00 PM
61 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
35°
15%
7 PM
34°
31%
8 PM
32°
31%
9 PM
29°
24%
10 PM
28°
33%
11 PM
27°
41%
12 AM
27°
40%
1 AM
26°
39%
2 AM
25°
41%
3 AM
24°
40%
4 AM
23°
51%
5 AM
23°
54%
6 AM
21°
59%
7 AM
20°
69%
8 AM
21°
85%
9 AM
21°
72%
10 AM
21°
67%
11 AM
22°
67%
12 PM
22°
68%
1 PM
23°
68%
2 PM
24°
68%
3 PM
25°
65%
4 PM
25°
53%
5 PM
25°
54%
7-Day Forecast
Tonight
36° 20°
Mostly Clear with a 24% chance of rain.
Thu
30° 18°
Rain, 72% chance.
Fri
31° 17°
Clear with a 34% chance of rain.
Sat
32° 16°
Clear.
Sun
37° 18°
Partly Cloudy.
Mon
35° 19°
Mostly Clear.
Tue
26° 12°
Mostly Clear.
TimeTempConditionsPrecipWindHumidity
Now 35° Mostly Clear 15% 15 mph SSE 30%
7 PM 34° Mostly Cloudy 31% 14 mph SSE 31%
8 PM 32° Mostly Cloudy 31% 12 mph SSE 34%
9 PM 29° Mostly Cloudy 24% 11 mph SSE 38%
10 PM 28° Mostly Cloudy 33% 11 mph SE 42%
11 PM 27° Mostly Cloudy 41% 11 mph SSE 46%
12 AM 27° Overcast 40% 11 mph SSE 52%
1 AM 26° Overcast 39% 11 mph S 59%
2 AM 25° Overcast 41% 11 mph SSE 65%
3 AM 24° Overcast 40% 10 mph S 71%
4 AM 23° Overcast 51% 9 mph S 76%
5 AM 23° Overcast 54% 8 mph S 77%
6 AM 21° Rain 59% 7 mph S 78%
7 AM 20° Rain 69% 7 mph SSE 79%
8 AM 21° Rain 85% 6 mph SSE 80%
9 AM 21° Rain 72% 8 mph SE 81%
10 AM 21° Rain 67% 8 mph SE 80%
11 AM 22° Rain 67% 5 mph SSE 76%
12 PM 22° Rain 68% 7 mph S 71%
1 PM 23° Overcast 68% 8 mph S 67%
2 PM 24° Mostly Cloudy 68% 8 mph SE 65%
3 PM 25° Mostly Cloudy 65% 6 mph ESE 63%
4 PM 25° Partly Cloudy 53% 6 mph E 62%
5 PM 25° Partly Cloudy 54% 7 mph E 62%
15-Day Forecast
Today
7/29
Mostly Clear
24%
20°
36°
Thu
7/30
Rain
72%
18°
30°
Fri
7/31
Clear
34%
17°
31°
Sat
8/1
Clear
6%
16°
32°
Sun
8/2
Partly Cloudy
3%
18°
37°
Mon
8/3
Mostly Clear
19%
19°
35°
Tue
8/4
Mostly Clear
15%
12°
26°
Wed
8/5
Clear
16%
12°
28°
Thu
8/6
Partly Cloudy
33%
13°
30°
Fri
8/7
Clear
35%
17°
32°
Sat
8/8
Rain
55%
14°
30°
Sun
8/9
Drizzle
60%
19°
30°
Mon
8/10
Drizzle
60%
19°
30°
Tue
8/11
Drizzle
60%
19°
31°
Wed
8/12
Drizzle
60%
20°
32°
61
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
61 AQI 14.7 µg/m³
O3
Ground-level ozone
50 AQI 54 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 61 Moderate 50 61
Fri 54 Moderate 44 54
Sat 58 Moderate 44 58
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 29, 22:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1064 J/kg
MLCAPE965 J/kg
MUCAPE1032 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-4.2
Kinematics
0–6 km Shear28 kt
0–1 km Shear5 kt
Eff. Shear27 kt
0–1 km SRH25
0–3 km SRH-12
Eff. SRH-12
Storm Motion221° @ 19 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.6
Thermo & Levels
PWAT1.33 in
0–3 km LR8.7 °C/km
700–500 LR6.8 °C/km
Total Totals52.9
LCL712 hPa
LFC939 hPa
EL214 hPa
Freezing Lvl14,177 ft