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

Campbell County, South Dakota, 57646, United States

Last updated: 5:19 PM CDT  ·  Refresh
37°C
Feels like 37°
Mostly Clear
▲ 38°  /  ▼ 19°
Wind
16 mph SSE
Humidity
26%
Dew Point
16°
Pressure
28.03 inHg
Visibility
10 mi
UV Index
7.0
Cloud Cover
24%
Sunrise
6:20 AM
Sunset
9:12 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Campbell County is currently mostly clear at 37°C. Precipitation is likely — peak probability 75% around 8 AM. Atmospheric instability is elevated (CAPE up to 1220 J/kg) — isolated convective development possible. Sunrise: 6:20AM · Sunset: 9:12PM.

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
65 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
5%
6 PM
37°
26%
7 PM
36°
26%
8 PM
33°
26%
9 PM
31°
26%
10 PM
28°
26%
11 PM
27°
30%
12 AM
27°
24%
1 AM
26°
36%
2 AM
24°
42%
3 AM
23°
49%
4 AM
23°
58%
5 AM
22°
61%
6 AM
19°
62%
7 AM
19°
62%
8 AM
21°
75%
9 AM
21°
51%
10 AM
22°
43%
11 AM
23°
48%
12 PM
26°
49%
1 PM
26°
55%
2 PM
28°
63%
3 PM
28°
67%
4 PM
28°
67%
7-Day Forecast
Today
38° 19°
Partly Cloudy with a 30% chance of rain.
Thu
33° 19°
Rain, 75% chance.
Fri
32° 16°
Clear.
Sat
34° 13°
Clear.
Sun
38° 18°
Mostly Clear.
Mon
35° 18°
Mostly Clear.
Tue
28° 12°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 37° Mostly Clear 5% 16 mph SSE 26%
6 PM 37° Partly Cloudy 26% 14 mph SSE 25%
7 PM 36° Overcast 26% 14 mph SSE 28%
8 PM 33° Mostly Cloudy 26% 12 mph SSE 32%
9 PM 31° Mostly Cloudy 26% 10 mph SSE 37%
10 PM 28° Mostly Cloudy 26% 10 mph SSE 41%
11 PM 27° Mostly Cloudy 30% 9 mph SSE 45%
12 AM 27° Mostly Cloudy 24% 8 mph SSE 49%
1 AM 26° Overcast 36% 8 mph SSE 54%
2 AM 24° Overcast 42% 7 mph SSE 62%
3 AM 23° Overcast 49% 6 mph ESE 69%
4 AM 23° Overcast 58% 5 mph E 76%
5 AM 22° Overcast 61% 5 mph NE 81%
6 AM 19° Rain 62% 6 mph ENE 85%
7 AM 19° Rain 62% 6 mph E 86%
8 AM 21° Rain 75% 6 mph ESE 83%
9 AM 21° Rain 51% 7 mph SSE 79%
10 AM 22° Rain 43% 9 mph SSE 76%
11 AM 23° Mostly Cloudy 48% 8 mph S 70%
12 PM 26° Mostly Cloudy 49% 7 mph S 63%
1 PM 26° Partly Cloudy 55% 8 mph SSW 59%
2 PM 28° Partly Cloudy 63% 7 mph SSW 56%
3 PM 28° Partly Cloudy 67% 6 mph S 54%
4 PM 28° Mostly Cloudy 67% 6 mph SSE 53%
15-Day Forecast
Today
7/29
Partly Cloudy
30%
19°
38°
Thu
7/30
Rain
75%
19°
33°
Fri
7/31
Clear
15%
16°
32°
Sat
8/1
Clear
7%
13°
34°
Sun
8/2
Mostly Clear
8%
18°
38°
Mon
8/3
Mostly Clear
8%
18°
35°
Tue
8/4
Clear
17%
12°
28°
Wed
8/5
Clear
18%
10°
29°
Thu
8/6
Partly Cloudy
34%
14°
32°
Fri
8/7
Clear
51%
17°
33°
Sat
8/8
Drizzle
60%
10°
33°
Sun
8/9
Drizzle
60%
18°
31°
Mon
8/10
Drizzle
60%
18°
32°
Tue
8/11
Drizzle
60%
19°
33°
Wed
8/12
Drizzle
60%
19°
33°
65
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
65 AQI 16.5 µg/m³
O3
Ground-level ozone
58 AQI 57 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 65 Moderate 58 65
Fri 60 Moderate 45 60
Sat 60 Moderate 45 60
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 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1252 J/kg
MLCAPE1490 J/kg
MUCAPE1663 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-4.7
Kinematics
0–6 km Shear29 kt
0–1 km Shear2 kt
Eff. Shear29 kt
0–1 km SRH10
0–3 km SRH-11
Eff. SRH-11
Storm Motion227° @ 21 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index40.4
Thermo & Levels
PWAT1.47 in
0–3 km LR9.3 °C/km
700–500 LR6.9 °C/km
Total Totals55.2
LCL700 hPa
LFC949 hPa
EL218 hPa
Freezing Lvl14,321 ft