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

Hand County, South Dakota, United States

Last updated: 5:16 PM CDT  ·  Refresh
35°C
Feels like 35°
Clear
▲ 37°  /  ▼ 21°
Wind
14 mph SSE
Humidity
32%
Dew Point
18°
Pressure
28.22 inHg
Visibility
10 mi
UV Index
7.1
Cloud Cover
6%
Sunrise
6:19 AM
Sunset
9:04 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Hand County is currently clear at 35°C. Precipitation is likely — peak probability 90% around 3 PM. Atmospheric instability is elevated (CAPE up to 1326 J/kg) — isolated convective development possible. Sunrise: 6:19AM · Sunset: 9:04PM.

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
58 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
35°
5%
6 PM
33°
23%
7 PM
33°
23%
8 PM
31°
26%
9 PM
29°
26%
10 PM
27°
26%
11 PM
27°
26%
12 AM
26°
27%
1 AM
26°
20%
2 AM
26°
21%
3 AM
24°
21%
4 AM
23°
25%
5 AM
23°
35%
6 AM
21°
35%
7 AM
21°
58%
8 AM
22°
61%
9 AM
23°
64%
10 AM
23°
76%
11 AM
23°
81%
12 PM
24°
85%
1 PM
24°
85%
2 PM
24°
85%
3 PM
23°
90%
4 PM
22°
90%
7-Day Forecast
Today
37° 21°
Mostly Clear with a 26% chance of rain.
Thu
31° 18°
Overcast with a 90% chance of rain.
Fri
29° 17°
Partly Cloudy with a 20% chance of rain.
Sat
31° 13°
Clear.
Sun
34° 17°
Partly Cloudy.
Mon
36° 19°
Drizzle, 60% chance.
Tue
27° 13°
Partly Cloudy with a 24% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 35° Clear 5% 14 mph SSE 32%
6 PM 33° Mostly Clear 23% 13 mph SSE 31%
7 PM 33° Mostly Clear 23% 12 mph SE 34%
8 PM 31° Mostly Clear 26% 10 mph SE 39%
9 PM 29° Partly Cloudy 26% 9 mph SE 44%
10 PM 27° Mostly Cloudy 26% 9 mph SE 49%
11 PM 27° Overcast 26% 10 mph SSE 52%
12 AM 26° Overcast 27% 11 mph SSE 56%
1 AM 26° Overcast 20% 12 mph SSE 59%
2 AM 26° Overcast 21% 10 mph S 66%
3 AM 24° Overcast 21% 8 mph S 72%
4 AM 23° Mostly Cloudy 25% 7 mph SSE 77%
5 AM 23° Overcast 35% 6 mph SSE 79%
6 AM 21° Overcast 35% 6 mph SSE 81%
7 AM 21° Overcast 58% 5 mph SSE 81%
8 AM 22° Overcast 61% 5 mph SSE 76%
9 AM 23° Rain 64% 5 mph S 71%
10 AM 23° Rain 76% 6 mph S 68%
11 AM 23° Mostly Cloudy 81% 6 mph S 69%
12 PM 24° Mostly Cloudy 85% 6 mph S 68%
1 PM 24° Mostly Cloudy 85% 6 mph S 69%
2 PM 24° Overcast 85% 5 mph SSW 75%
3 PM 23° Overcast 90% 7 mph W 81%
4 PM 22° Heavy Rain 90% 8 mph NW 86%
15-Day Forecast
Today
7/29
Mostly Clear
26%
21°
37°
Thu
7/30
Overcast
90%
18°
31°
Fri
7/31
Partly Cloudy
20%
17°
29°
Sat
8/1
Clear
3%
13°
31°
Sun
8/2
Partly Cloudy
3%
17°
34°
Mon
8/3
Drizzle
60%
19°
36°
Tue
8/4
Partly Cloudy
24%
13°
27°
Wed
8/5
Clear
43%
11°
27°
Thu
8/6
Mostly Clear
44%
14°
31°
Fri
8/7
Drizzle
51%
18°
32°
Sat
8/8
Drizzle
60%
14°
32°
Sun
8/9
Drizzle
60%
19°
30°
Mon
8/10
Drizzle
60%
18°
31°
Tue
8/11
Drizzle
60%
19°
31°
Wed
8/12
Drizzle
60%
20°
32°
58
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
58 AQI 13.0 µg/m³
O3
Ground-level ozone
49 AQI 54 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 58 Moderate 49 58
Fri 49 Good 43 49
Sat 58 Moderate 44 58
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
SBCAPE1326 J/kg
MLCAPE614 J/kg
MUCAPE1326 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-4.8
Kinematics
0–6 km Shear29 kt
0–1 km Shear4 kt
Eff. Shear29 kt
0–1 km SRH23
0–3 km SRH-10
Eff. SRH-10
Storm Motion224° @ 18 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index27.0
Thermo & Levels
PWAT1.29 in
0–3 km LR8.4 °C/km
700–500 LR6.7 °C/km
Total Totals50.1
LCL745 hPa
LFC956 hPa
EL204 hPa
Freezing Lvl14,281 ft