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

Hughes County, South Dakota, United States

Last updated: 5:18 PM CDT  ·  Refresh
36°C
Feels like 36°
Mostly Clear
▲ 37°  /  ▼ 21°
Wind
16 mph SSE
Humidity
32%
Dew Point
18°
Pressure
28.05 inHg
Visibility
10 mi
UV Index
7.1
Cloud Cover
15%
Sunrise
6:23 AM
Sunset
9:08 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Hughes County is currently mostly clear at 36°C. Precipitation is likely — peak probability 90% around 12 PM. Atmospheric instability is elevated (CAPE up to 1602 J/kg) — isolated convective development possible. Sunrise: 6:23AM · Sunset: 9:08PM.

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
63 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
8%
6 PM
34°
26%
7 PM
33°
26%
8 PM
31°
28%
9 PM
29°
28%
10 PM
28°
34%
11 PM
27°
40%
12 AM
26°
40%
1 AM
26°
34%
2 AM
26°
34%
3 AM
24°
48%
4 AM
23°
40%
5 AM
23°
30%
6 AM
21°
43%
7 AM
21°
53%
8 AM
22°
69%
9 AM
22°
73%
10 AM
22°
81%
11 AM
22°
85%
12 PM
22°
90%
1 PM
22°
90%
2 PM
22°
90%
3 PM
22°
79%
4 PM
22°
76%
7-Day Forecast
Today
37° 21°
Mostly Clear with a 40% chance of rain.
Thu
32° 19°
Mostly Cloudy with a 85% chance of rain.
Fri
29° 17°
Mostly Clear with a 20% chance of rain.
Sat
31° 14°
Clear.
Sun
36° 17°
Partly Cloudy.
Mon
35° 19°
Mostly Clear with a 30% chance of rain.
Tue
26° 14°
Partly Cloudy.
TimeTempConditionsPrecipWindHumidity
Now 36° Mostly Clear 8% 16 mph SSE 32%
6 PM 34° Mostly Clear 26% 15 mph SE 31%
7 PM 33° Mostly Clear 26% 14 mph SE 33%
8 PM 31° Mostly Clear 28% 12 mph SE 38%
9 PM 29° Partly Cloudy 28% 11 mph SE 43%
10 PM 28° Mostly Cloudy 34% 11 mph SE 48%
11 PM 27° Mostly Cloudy 40% 11 mph SE 55%
12 AM 26° Overcast 40% 12 mph SSE 61%
1 AM 26° Drizzle 34% 11 mph SSE 66%
2 AM 26° Drizzle 34% 9 mph S 69%
3 AM 24° Rain 48% 7 mph S 72%
4 AM 23° Rain 40% 7 mph SSE 76%
5 AM 23° Overcast 30% 7 mph S 78%
6 AM 21° Overcast 43% 6 mph S 79%
7 AM 21° Drizzle 53% 7 mph S 78%
8 AM 22° Overcast 69% 7 mph SSE 73%
9 AM 22° Mostly Cloudy 73% 6 mph SE 68%
10 AM 22° Mostly Cloudy 81% 6 mph ESE 66%
11 AM 22° Mostly Cloudy 85% 6 mph ESE 71%
12 PM 22° Heavy Rain 90% 7 mph SE 77%
1 PM 22° Heavy Rain 90% 7 mph SE 80%
2 PM 22° Mostly Cloudy 90% 4 mph E 82%
3 PM 22° Mostly Cloudy 79% 6 mph ENE 83%
4 PM 22° Mostly Cloudy 76% 7 mph NE 83%
15-Day Forecast
Today
7/29
Mostly Clear
40%
21°
37°
Thu
7/30
Mostly Cloudy
85%
19°
32°
Fri
7/31
Mostly Clear
20%
17°
29°
Sat
8/1
Clear
3%
14°
31°
Sun
8/2
Partly Cloudy
3%
17°
36°
Mon
8/3
Mostly Clear
30%
19°
35°
Tue
8/4
Partly Cloudy
17%
14°
26°
Wed
8/5
Clear
43%
12°
27°
Thu
8/6
Clear
18%
15°
30°
Fri
8/7
Clear
36%
19°
32°
Sat
8/8
Drizzle
60%
13°
31°
Sun
8/9
Drizzle
60%
20°
30°
Mon
8/10
Drizzle
60%
19°
31°
Tue
8/11
Drizzle
60%
21°
31°
Wed
8/12
Drizzle
60%
21°
32°
63
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
63 AQI 15.5 µg/m³
O3
Ground-level ozone
50 AQI 54 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 63 Moderate 50 63
Fri 54 Moderate 45 54
Sat 61 Moderate 45 61
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, 21:00'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
SBCAPE1498 J/kg
MLCAPE1097 J/kg
MUCAPE1498 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-5.1
Kinematics
0–6 km Shear30 kt
0–1 km Shear3 kt
Eff. Shear30 kt
0–1 km SRH13
0–3 km SRH-10
Eff. SRH-10
Storm Motion217° @ 19 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index33.7
Thermo & Levels
PWAT1.41 in
0–3 km LR8.5 °C/km
700–500 LR6.8 °C/km
Total Totals52.4
LCL735 hPa
LFC950 hPa
EL197 hPa
Freezing Lvl14,380 ft