Excessive Heat Warning — Corson, SD, Campbell, SD, Walworth, SD, Dewey, SD, Potter, SD, McPherson, SD, Brown, SD, Marshall, SD, Roberts, SD, Edmunds, SD, Day, SD, Faulk, SD, Spink, SD, Grant, SD, Stanley, SD, Sully, SD, Hughes, SD, Hyde, SD, Hand, SD, Jones, SD, Lyman, SD, Buffalo, SD 10:00 PM Heat Advisory — McPherson, SD, Brown, SD, Marshall, SD, Roberts, SD, Edmunds, SD, Day, SD, Faulk, SD, Spink, SD, Grant, SD, Corson, SD, Campbell, SD, Walworth, SD, Dewey, SD, Potter, SD, Stanley, SD, Sully, SD, Hughes, SD, Hyde, SD, Hand, SD, Jones, SD, Lyman, SD, Buffalo, SD 10:00 PM

Hand County, South Dakota, United States

Last updated: 5:48 PM CDT  ·  Refresh
33°C
Feels like 32°
Clear
▲ 34°  /  ▼ 19°
Wind
12 mph SE
Humidity
32%
Dew Point
16°
Pressure
28.36 inHg
Visibility
10 mi
UV Index
6.6
Cloud Cover
0%
Sunrise
6:05 AM
Sunset
9:18 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Hand County is currently clear at 33°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:05AM · Sunset: 9:18PM.

Alerts

Excessive Heat Warning
Corson, SD, Campbell, SD, Walworth, SD, Dewey, SD, Potter, SD, McPherson, SD, Brown, SD, Marshall, SD, Roberts, SD, Edmunds, SD, Day, SD, Faulk, SD, Spink, SD, Grant, SD, Stanley, SD, Sully, SD, Hughes, SD, Hyde, SD, Hand, SD, Jones, SD, Lyman, SD, Buffalo, SD
Expires 10:00 PM
Heat Advisory
McPherson, SD, Brown, SD, Marshall, SD, Roberts, SD, Edmunds, SD, Day, SD, Faulk, SD, Spink, SD, Grant, SD, Corson, SD, Campbell, SD, Walworth, SD, Dewey, SD, Potter, SD, Stanley, SD, Sully, SD, Hughes, SD, Hyde, SD, Hand, SD, Jones, SD, Lyman, SD, Buffalo, SD
Expires 10:00 PM
43 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
3%
6 PM
33°
8%
7 PM
32°
8%
8 PM
29°
8%
9 PM
26°
8%
10 PM
24°
8%
11 PM
24°
3%
12 AM
23°
3%
1 AM
23°
3%
2 AM
22°
3%
3 AM
22°
3%
4 AM
21°
3%
5 AM
19°
3%
6 AM
19°
3%
7 AM
21°
3%
8 AM
23°
3%
9 AM
26°
3%
10 AM
27°
3%
11 AM
29°
3%
12 PM
31°
3%
1 PM
32°
3%
2 PM
33°
3%
3 PM
33°
3%
4 PM
33°
3%
7-Day Forecast
Today
34° 19°
Clear.
Thu
36° 19°
Clear.
Fri
37° 21°
Clear.
Sat
33° 20°
Mostly Clear.
Sun
38° 21°
Partly Cloudy.
Mon
37° 20°
Drizzle, 50% chance.
Tue
32° 18°
Mostly Clear with a 25% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 3% 12 mph SE 32%
6 PM 33° Clear 8% 11 mph SE 33%
7 PM 32° Clear 8% 10 mph SE 38%
8 PM 29° Clear 8% 9 mph SE 44%
9 PM 26° Clear 8% 9 mph SE 49%
10 PM 24° Clear 8% 9 mph SSE 54%
11 PM 24° Clear 3% 9 mph SSE 57%
12 AM 23° Clear 3% 9 mph SSE 60%
1 AM 23° Clear 3% 9 mph SSE 63%
2 AM 22° Clear 3% 9 mph SSE 66%
3 AM 22° Clear 3% 9 mph S 70%
4 AM 21° Clear 3% 7 mph S 72%
5 AM 19° Clear 3% 7 mph SSE 73%
6 AM 19° Clear 3% 6 mph SSE 74%
7 AM 21° Clear 3% 7 mph SSE 68%
8 AM 23° Clear 3% 8 mph S 60%
9 AM 26° Mostly Clear 3% 8 mph S 52%
10 AM 27° Clear 3% 9 mph S 46%
11 AM 29° Clear 3% 9 mph S 41%
12 PM 31° Clear 3% 10 mph S 37%
1 PM 32° Clear 3% 9 mph S 35%
2 PM 33° Clear 3% 9 mph S 34%
3 PM 33° Clear 3% 9 mph S 32%
4 PM 33° Clear 3% 9 mph S 32%
15-Day Forecast
Today
7/15
Clear
8%
19°
34°
Thu
7/16
Clear
7%
19°
36°
Fri
7/17
Clear
14%
21°
37°
Sat
7/18
Mostly Clear
17%
20°
33°
Sun
7/19
Partly Cloudy
19%
21°
38°
Mon
7/20
Drizzle
50%
20°
37°
Tue
7/21
Mostly Clear
25%
18°
32°
Wed
7/22
Drizzle
60%
18°
30°
Thu
7/23
Drizzle
60%
18°
33°
Fri
7/24
Drizzle
60%
16°
34°
Sat
7/25
Drizzle
60%
13°
33°
Sun
7/26
Drizzle
60%
19°
33°
Mon
7/27
Drizzle
60%
19°
34°
Tue
7/28
Drizzle
60%
20°
34°
Wed
7/29
Rain
90%
21°
36°
43
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
33 AQI 6.1 µg/m³
O3
Ground-level ozone
Dominant
43 AQI 47 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 43 Good 43 33
Fri 50 Good 50 33
Sat 45 Good 45 32
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 15, 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
SBCAPE63 J/kg
MLCAPE6 J/kg
MUCAPE63 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index2.8
Kinematics
0–6 km Shear24 kt
0–1 km Shear3 kt
Eff. Shear—
0–1 km SRH2
0–3 km SRH-45
Eff. SRH—
Storm Motion181° @ 26 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index15.1
Thermo & Levels
PWAT0.95 in
0–3 km LR7.8 °C/km
700–500 LR4.5 °C/km
Total Totals36.6
LCL751 hPa
LFC960 hPa
EL271 hPa
Freezing Lvl16,893 ft