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

Buffalo County, South Dakota, United States

Last updated: 6:20 PM CDT  ·  Refresh
35°C
Feels like 35°
Mostly Clear
▲ 37°  /  ▼ 21°
Wind
15 mph SSE
Humidity
33%
Dew Point
18°
Pressure
28.10 inHg
Visibility
10 mi
UV Index
5.7
Cloud Cover
17%
Sunrise
6:21 AM
Sunset
9:04 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Buffalo County is currently mostly clear at 35°C. Precipitation is likely — peak probability 87% around 6 PM. Atmospheric instability is elevated (CAPE up to 1820 J/kg) — isolated convective development possible. Sunrise: 6:21AM · Sunset: 9:04PM.

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
58 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
35°
12%
7 PM
33°
31%
8 PM
31°
31%
9 PM
29°
25%
10 PM
28°
33%
11 PM
27°
33%
12 AM
26°
40%
1 AM
24°
39%
2 AM
26°
39%
3 AM
25°
39%
4 AM
23°
21%
5 AM
23°
22%
6 AM
21°
22%
7 AM
21°
41%
8 AM
22°
44%
9 AM
23°
55%
10 AM
23°
71%
11 AM
23°
76%
12 PM
24°
76%
1 PM
24°
77%
2 PM
26°
80%
3 PM
26°
81%
4 PM
26°
81%
5 PM
24°
81%
7-Day Forecast
Tonight
37° 21°
Mostly Clear with a 25% chance of rain.
Thu
30° 18°
Rain, 86% chance.
Fri
29° 17°
Mostly Clear with a 28% chance of rain.
Sat
31° 16°
Clear.
Sun
35° 17°
Partly Cloudy.
Mon
36° 20°
Rain, 49% chance.
Tue
26° 13°
Partly Cloudy with a 56% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 35° Mostly Clear 12% 15 mph SSE 33%
7 PM 33° Partly Cloudy 31% 14 mph SE 34%
8 PM 31° Mostly Clear 31% 12 mph SE 39%
9 PM 29° Mostly Clear 25% 11 mph SE 44%
10 PM 28° Partly Cloudy 33% 10 mph SE 50%
11 PM 27° Mostly Cloudy 33% 9 mph SE 56%
12 AM 26° Overcast 40% 10 mph SSE 62%
1 AM 24° Overcast 39% 11 mph S 69%
2 AM 26° Overcast 39% 10 mph S 75%
3 AM 25° Overcast 39% 9 mph S 79%
4 AM 23° Overcast 21% 9 mph SSE 81%
5 AM 23° Overcast 22% 8 mph SSE 81%
6 AM 21° Drizzle 22% 7 mph SSE 81%
7 AM 21° Rain 41% 7 mph SSE 81%
8 AM 22° Rain 44% 8 mph SSE 80%
9 AM 23° Rain 55% 9 mph SSE 78%
10 AM 23° Overcast 71% 9 mph SSE 76%
11 AM 23° Overcast 76% 8 mph SSE 74%
12 PM 24° Overcast 76% 8 mph SSE 72%
1 PM 24° Overcast 77% 8 mph SSE 71%
2 PM 26° Overcast 80% 7 mph SSE 71%
3 PM 26° Overcast 81% 7 mph SE 70%
4 PM 26° Overcast 81% 6 mph SE 72%
5 PM 24° Mostly Cloudy 81% 6 mph ESE 78%
15-Day Forecast
Today
7/29
Mostly Clear
25%
21°
37°
Thu
7/30
Rain
86%
18°
30°
Fri
7/31
Mostly Clear
28%
17°
29°
Sat
8/1
Clear
5%
16°
31°
Sun
8/2
Partly Cloudy
3%
17°
35°
Mon
8/3
Rain
49%
20°
36°
Tue
8/4
Partly Cloudy
56%
13°
26°
Wed
8/5
Clear
24%
12°
27°
Thu
8/6
Clear
35%
14°
30°
Fri
8/7
Clear
35%
17°
33°
Sat
8/8
Clear
44%
16°
32°
Sun
8/9
Drizzle
60%
19°
31°
Mon
8/10
Drizzle
60%
19°
31°
Tue
8/11
Drizzle
60%
20°
32°
Wed
8/12
Drizzle
60%
21°
32°
58
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
58 AQI 13.0 µg/m³
O3
Ground-level ozone
49 AQI 53 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 58 Moderate 49 58
Fri 49 Good 42 49
Sat 57 Moderate 44 57
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 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1112 J/kg
MLCAPE1035 J/kg
MUCAPE1157 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-4.1
Kinematics
0–6 km Shear31 kt
0–1 km Shear4 kt
Eff. Shear31 kt
0–1 km SRH20
0–3 km SRH1
Eff. SRH1
Storm Motion226° @ 19 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index28.5
Thermo & Levels
PWAT1.39 in
0–3 km LR8.2 °C/km
700–500 LR6.7 °C/km
Total Totals50.3
LCL741 hPa
LFC951 hPa
EL207 hPa
Freezing Lvl14,239 ft