Heat Advisory — Brown, SD, Marshall, SD, Roberts, SD, Walworth, SD, Edmunds, SD, Day, SD, Dewey, SD, Potter, SD, Faulk, SD, Spink, SD, Clark, SD, Codington, SD, Grant, SD, Hamlin, SD, Deuel, 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: 5:37 PM CDT  ·  Refresh
37°C
Feels like 36°
Clear
▲ 38°  /  ▼ 20°
Wind
3 mph NNE
Humidity
22%
Dew Point
14°
Pressure
28.13 inHg
Visibility
10 mi
UV Index
6.9
Cloud Cover
4%
Sunrise
6:09 AM
Sunset
9:15 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Buffalo County is currently clear at 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1643 J/kg) — isolated convective development possible. Sunrise: 6:09AM · Sunset: 9:15PM.

Alerts

Heat Advisory
Brown, SD, Marshall, SD, Roberts, SD, Walworth, SD, Edmunds, SD, Day, SD, Dewey, SD, Potter, SD, Faulk, SD, Spink, SD, Clark, SD, Codington, SD, Grant, SD, Hamlin, SD, Deuel, SD, Stanley, SD, Sully, SD, Hughes, SD, Hyde, SD, Hand, SD, Jones, SD, Lyman, SD, Buffalo, SD
Expires 9:00 PM
46 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
3%
6 PM
37°
16%
7 PM
35°
16%
8 PM
33°
16%
9 PM
30°
16%
10 PM
28°
8%
11 PM
27°
8%
12 AM
26°
3%
1 AM
26°
3%
2 AM
25°
3%
3 AM
24°
3%
4 AM
23°
3%
5 AM
20°
3%
6 AM
20°
3%
7 AM
21°
3%
8 AM
22°
3%
9 AM
23°
3%
10 AM
24°
3%
11 AM
26°
3%
12 PM
28°
3%
1 PM
30°
3%
2 PM
30°
3%
3 PM
31°
3%
4 PM
31°
3%
7-Day Forecast
Today
38° 20°
Clear.
Sat
34° 20°
Clear.
Sun
37° 19°
Partly Cloudy with a 21% chance of rain.
Mon
36° 22°
Clear.
Tue
28° 18°
Mostly Clear.
Wed
28° 17°
Drizzle, 60% chance.
Thu
31° 17°
Mostly Clear with a 35% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 37° Clear 3% 3 mph NNE 22%
6 PM 37° Clear 16% 8 mph NE 25%
7 PM 35° Clear 16% 10 mph NE 30%
8 PM 33° Clear 16% 10 mph NE 37%
9 PM 30° Clear 16% 10 mph NE 43%
10 PM 28° Clear 8% 12 mph NE 48%
11 PM 27° Mostly Clear 8% 13 mph NE 54%
12 AM 26° Mostly Clear 3% 15 mph NE 61%
1 AM 26° Mostly Clear 3% 15 mph NE 66%
2 AM 25° Mostly Clear 3% 14 mph NE 68%
3 AM 24° Clear 3% 13 mph ENE 69%
4 AM 23° Mostly Clear 3% 12 mph ENE 68%
5 AM 20° Mostly Clear 3% 12 mph ENE 67%
6 AM 20° Mostly Clear 3% 12 mph ENE 67%
7 AM 21° Mostly Clear 3% 13 mph ENE 61%
8 AM 22° Clear 3% 12 mph ENE 54%
9 AM 23° Clear 3% 12 mph ENE 47%
10 AM 24° Clear 3% 11 mph ENE 41%
11 AM 26° Clear 3% 11 mph ENE 35%
12 PM 28° Clear 3% 11 mph ENE 31%
1 PM 30° Clear 3% 11 mph ENE 29%
2 PM 30° Clear 3% 11 mph ENE 27%
3 PM 31° Mostly Clear 3% 11 mph ENE 25%
4 PM 31° Clear 3% 11 mph ENE 24%
15-Day Forecast
Today
7/17
Clear
16%
20°
38°
Sat
7/18
Clear
3%
20°
34°
Sun
7/19
Partly Cloudy
21%
19°
37°
Mon
7/20
Clear
16%
22°
36°
Tue
7/21
Mostly Clear
9%
18°
28°
Wed
7/22
Drizzle
60%
17°
28°
Thu
7/23
Mostly Clear
35%
17°
31°
Fri
7/24
Mostly Cloudy
60%
18°
32°
Sat
7/25
Drizzle
60%
17°
32°
Sun
7/26
Drizzle
60%
16°
34°
Mon
7/27
Drizzle
60%
18°
35°
Tue
7/28
Drizzle
60%
21°
35°
Wed
7/29
Drizzle
60%
21°
34°
Thu
7/30
Drizzle
60%
21°
34°
Fri
7/31
Drizzle
60%
21°
34°
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
41 AQI 7.4 µg/m³
O3
Ground-level ozone
Dominant
46 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 46 Good 46 41
Sun 41 Good 41 30
Mon 42 Good 42 37
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 Fri Jul 17, 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
SBCAPE457 J/kg
MLCAPE189 J/kg
MUCAPE457 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-2.2
Kinematics
0–6 km Shear12 kt
0–1 km Shear3 kt
Eff. Shear14 kt
0–1 km SRH-2
0–3 km SRH-8
Eff. SRH-8
Storm Motion218° @ 13 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)0.0
Supercell0.0
K-Index38.4
Thermo & Levels
PWAT1.46 in
0–3 km LR9.5 °C/km
700–500 LR6.2 °C/km
Total Totals49.4
LCL683 hPa
LFC953 hPa
EL219 hPa
Freezing Lvl14,219 ft