Heat Advisory — Northern Perkins, SD, Northern Meade Co Plains, SD, Ziebach, SD, Pennington Co Plains, SD, Haakon, SD, Northern Oglala Lakota, SD, Northern Jackson, SD, Mellette, SD, Tripp, SD, Southern Meade Co Plains, SD, Southern Jackson, SD, Southern Perkins, SD 8:00 PM

Haakon County, South Dakota, United States

Last updated: 5:17 PM CDT  ·  Refresh
36°C
Feels like 35°
Mostly Clear
▲ 37°  /  ▼ 19°
Wind
15 mph SSE
Humidity
28%
Dew Point
16°
Pressure
27.31 inHg
Visibility
10 mi
UV Index
7.2
Cloud Cover
17%
Sunrise
5:30 AM
Sunset
8:14 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Haakon County is currently mostly clear at 36°C. Precipitation is likely — peak probability 56% around 7 AM. Atmospheric instability is elevated (CAPE up to 1568 J/kg) — isolated convective development possible. Sunrise: 5:30AM · Sunset: 8:14PM.

Alerts

Heat Advisory
Northern Perkins, SD, Northern Meade Co Plains, SD, Ziebach, SD, Pennington Co Plains, SD, Haakon, SD, Northern Oglala Lakota, SD, Northern Jackson, SD, Mellette, SD, Tripp, SD, Southern Meade Co Plains, SD, Southern Jackson, SD, Southern Perkins, SD
Expires 8:00 PM
71 AQI · Moderate Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
8%
5 PM
36°
26%
6 PM
34°
28%
7 PM
32°
42%
8 PM
31°
41%
9 PM
27°
49%
10 PM
26°
47%
11 PM
25°
51%
12 AM
24°
51%
1 AM
23°
51%
2 AM
23°
37%
3 AM
23°
46%
4 AM
22°
38%
5 AM
20°
43%
6 AM
20°
55%
7 AM
21°
56%
8 AM
21°
55%
9 AM
24°
45%
10 AM
24°
46%
11 AM
24°
50%
12 PM
25°
42%
1 PM
26°
43%
2 PM
27°
35%
3 PM
27°
35%
7-Day Forecast
Today
37° 19°
Partly Cloudy with a 47% chance of rain.
Thu
34° 20°
Mostly Cloudy with a 56% chance of rain.
Fri
32° 15°
Clear.
Sat
34° 14°
Clear.
Sun
39° 18°
Mostly Clear.
Mon
36° 19°
Clear with a 38% chance of rain.
Tue
28° 12°
Partly Cloudy with a 28% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 36° Mostly Clear 8% 15 mph SSE 28%
5 PM 36° Partly Cloudy 26% 15 mph SSE 32%
6 PM 34° Partly Cloudy 28% 15 mph SSE 34%
7 PM 32° Partly Cloudy 42% 14 mph SSE 38%
8 PM 31° Mostly Cloudy 41% 10 mph S 43%
9 PM 27° Rain 49% 14 mph WSW 48%
10 PM 26° Rain 47% 11 mph SW 52%
11 PM 25° Thunderstorm 51% 7 mph SW 59%
12 AM 24° Rain 51% 6 mph SSE 65%
1 AM 23° Mostly Cloudy 51% 6 mph SSE 69%
2 AM 23° Overcast 37% 5 mph S 72%
3 AM 23° Overcast 46% 7 mph S 73%
4 AM 22° Mostly Cloudy 38% 7 mph SSE 73%
5 AM 20° Mostly Cloudy 43% 7 mph SSE 78%
6 AM 20° Mostly Cloudy 55% 8 mph SE 80%
7 AM 21° Mostly Cloudy 56% 6 mph SSE 79%
8 AM 21° Rain 55% 5 mph SSE 77%
9 AM 24° Rain 45% 4 mph SE 75%
10 AM 24° Rain 46% 4 mph ENE 72%
11 AM 24° Mostly Cloudy 50% 4 mph ENE 69%
12 PM 25° Mostly Cloudy 42% 6 mph NE 67%
1 PM 26° Partly Cloudy 43% 6 mph NE 63%
2 PM 27° Partly Cloudy 35% 7 mph NNE 60%
3 PM 27° Partly Cloudy 35% 7 mph NNE 57%
15-Day Forecast
Today
7/29
Partly Cloudy
47%
19°
37°
Thu
7/30
Mostly Cloudy
56%
20°
34°
Fri
7/31
Clear
9%
15°
32°
Sat
8/1
Clear
3%
14°
34°
Sun
8/2
Mostly Clear
3%
18°
39°
Mon
8/3
Clear
38%
19°
36°
Tue
8/4
Partly Cloudy
28%
12°
28°
Wed
8/5
Clear
43%
12°
29°
Thu
8/6
Mostly Clear
18%
15°
32°
Fri
8/7
Clear
19%
19°
34°
Sat
8/8
Drizzle
60%
13°
34°
Sun
8/9
Drizzle
60%
21°
33°
Mon
8/10
Drizzle
60%
21°
33°
Tue
8/11
Drizzle
60%
22°
34°
Wed
8/12
Drizzle
60%
22°
35°
71
Moderate
U.S. Air Quality Index · Dominant: O3
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
58 AQI 12.9 µg/m³
O3
Ground-level ozone
Dominant
71 AQI 61 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 71 Moderate 71 58
Fri 53 Moderate 51 53
Sat 67 Moderate 67 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, 21:00'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
SBCAPE1370 J/kg
MLCAPE1182 J/kg
MUCAPE1370 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-5.4
Kinematics
0–6 km Shear29 kt
0–1 km Shear2 kt
Eff. Shear28 kt
0–1 km SRH10
0–3 km SRH-29
Eff. SRH-29
Storm Motion212° @ 20 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index40.9
Thermo & Levels
PWAT1.35 in
0–3 km LR9.0 °C/km
700–500 LR7.2 °C/km
Total Totals55.2
LCL698 hPa
LFC925 hPa
EL201 hPa
Freezing Lvl13,894 ft