Excessive Heat Warning — Corson, SD, Campbell, SD, Walworth, SD, Dewey, SD, Potter, SD, McPherson, SD, Brown, SD, Marshall, SD, Roberts, SD, Edmunds, SD, Day, SD, Faulk, SD, Spink, SD, Grant, SD, Stanley, SD, Sully, SD, Hughes, SD, Hyde, SD, Hand, SD, Jones, SD, Lyman, SD, Buffalo, SD 10:00 PM Heat Advisory — McPherson, SD, Brown, SD, Marshall, SD, Roberts, SD, Edmunds, SD, Day, SD, Faulk, SD, Spink, SD, Grant, SD, Corson, SD, Campbell, SD, Walworth, SD, Dewey, SD, Potter, SD, Stanley, SD, Sully, SD, Hughes, SD, Hyde, SD, Hand, SD, Jones, SD, Lyman, SD, Buffalo, SD 10:00 PM

Buffalo County, South Dakota, United States

Last updated: 5:50 PM CDT  ·  Refresh
33°C
Feels like 32°
Clear
▲ 35°  /  ▼ 19°
Wind
12 mph SSE
Humidity
28%
Dew Point
14°
Pressure
28.26 inHg
Visibility
10 mi
UV Index
6.6
Cloud Cover
0%
Sunrise
6:07 AM
Sunset
9:17 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Buffalo County is currently clear at 33°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:07AM · Sunset: 9:17PM.

Alerts

Excessive Heat Warning
Corson, SD, Campbell, SD, Walworth, SD, Dewey, SD, Potter, SD, McPherson, SD, Brown, SD, Marshall, SD, Roberts, SD, Edmunds, SD, Day, SD, Faulk, SD, Spink, SD, Grant, SD, Stanley, SD, Sully, SD, Hughes, SD, Hyde, SD, Hand, SD, Jones, SD, Lyman, SD, Buffalo, SD
Expires 10:00 PM
Heat Advisory
McPherson, SD, Brown, SD, Marshall, SD, Roberts, SD, Edmunds, SD, Day, SD, Faulk, SD, Spink, SD, Grant, SD, Corson, SD, Campbell, SD, Walworth, SD, Dewey, SD, Potter, SD, Stanley, SD, Sully, SD, Hughes, SD, Hyde, SD, Hand, SD, Jones, SD, Lyman, SD, Buffalo, SD
Expires 10:00 PM
44 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
3%
6 PM
34°
3%
7 PM
33°
3%
8 PM
30°
3%
9 PM
28°
3%
10 PM
26°
3%
11 PM
25°
3%
12 AM
24°
3%
1 AM
23°
3%
2 AM
23°
3%
3 AM
22°
3%
4 AM
22°
3%
5 AM
19°
3%
6 AM
19°
3%
7 AM
21°
3%
8 AM
23°
3%
9 AM
24°
3%
10 AM
26°
3%
11 AM
28°
3%
12 PM
31°
3%
1 PM
32°
3%
2 PM
32°
3%
3 PM
32°
3%
4 PM
32°
3%
7-Day Forecast
Today
35° 19°
Clear.
Thu
36° 19°
Mostly Clear.
Fri
37° 20°
Mostly Clear.
Sat
33° 21°
Mostly Clear.
Sun
38° 22°
Mostly Cloudy.
Mon
36° 21°
Drizzle, 50% chance.
Tue
32° 19°
Mostly Clear with a 50% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 3% 12 mph SSE 28%
6 PM 34° Clear 3% 13 mph SE 28%
7 PM 33° Clear 3% 12 mph SE 32%
8 PM 30° Clear 3% 11 mph SE 38%
9 PM 28° Clear 3% 10 mph SE 44%
10 PM 26° Clear 3% 10 mph SE 49%
11 PM 25° Clear 3% 9 mph SE 54%
12 AM 24° Clear 3% 9 mph SSE 58%
1 AM 23° Clear 3% 8 mph SSE 62%
2 AM 23° Clear 3% 8 mph SSE 66%
3 AM 22° Clear 3% 8 mph SSE 70%
4 AM 22° Clear 3% 7 mph SSE 71%
5 AM 19° Clear 3% 7 mph SE 72%
6 AM 19° Mostly Clear 3% 7 mph SSE 73%
7 AM 21° Mostly Clear 3% 8 mph SSE 65%
8 AM 23° Mostly Clear 3% 8 mph S 58%
9 AM 24° Mostly Clear 3% 9 mph S 51%
10 AM 26° Mostly Clear 3% 9 mph S 44%
11 AM 28° Clear 3% 10 mph S 37%
12 PM 31° Clear 3% 10 mph S 32%
1 PM 32° Clear 3% 10 mph S 30%
2 PM 32° Clear 3% 10 mph S 29%
3 PM 32° Clear 3% 10 mph S 28%
4 PM 32° Clear 3% 10 mph S 28%
15-Day Forecast
Today
7/15
Clear
3%
19°
35°
Thu
7/16
Mostly Clear
3%
19°
36°
Fri
7/17
Mostly Clear
3%
20°
37°
Sat
7/18
Mostly Clear
17%
21°
33°
Sun
7/19
Mostly Cloudy
19%
22°
38°
Mon
7/20
Drizzle
50%
21°
36°
Tue
7/21
Mostly Clear
50%
19°
32°
Wed
7/22
Drizzle
60%
19°
30°
Thu
7/23
Drizzle
60%
19°
33°
Fri
7/24
Drizzle
60%
17°
34°
Sat
7/25
Drizzle
60%
13°
33°
Sun
7/26
Drizzle
60%
20°
33°
Mon
7/27
Rain
90%
20°
33°
Tue
7/28
Drizzle
60%
21°
34°
Wed
7/29
Rain
90%
22°
36°
44
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
33 AQI 6.1 µg/m³
O3
Ground-level ozone
Dominant
44 AQI 48 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 44 Good 44 33
Fri 51 Moderate 51 28
Sat 46 Good 46 31
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
SBCAPE86 J/kg
MLCAPE13 J/kg
MUCAPE86 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index3.7
Kinematics
0–6 km Shear17 kt
0–1 km Shear2 kt
Eff. Shear—
0–1 km SRH-0
0–3 km SRH-45
Eff. SRH—
Storm Motion176° @ 26 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)—
Supercell—
K-Index14.8
Thermo & Levels
PWAT1.00 in
0–3 km LR8.0 °C/km
700–500 LR4.5 °C/km
Total Totals37.1
LCL725 hPa
LFC957 hPa
EL756 hPa
Freezing Lvl16,900 ft