Heat Advisory — Brown, SD, Marshall, SD, Roberts, SD, Walworth, SD, Edmunds, SD, Day, SD, Dewey, SD, Potter, SD, Faulk, SD, Spink, SD, Clark, SD, Codington, SD, Grant, SD, Hamlin, SD, Deuel, SD, Stanley, SD, Sully, SD, Hughes, SD, Hyde, SD, Hand, SD, Jones, SD, Lyman, SD, Buffalo, SD 9:00 PM

Grant West Township, South Dakota

Last updated: 4:44 PM CDT  ·  Refresh
37°C
Feels like 36°
Clear
▲ 39°  /  ▼ 20°
Wind
3 mph N
Humidity
20%
Dew Point
14°
Pressure
28.15 inHg
Visibility
10 mi
UV Index
7.9
Cloud Cover
3%
Sunrise
6:09 AM
Sunset
9:15 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Grant West Township is currently clear at 37°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1472 J/kg) — isolated convective development possible. Sunrise: 6:09AM · Sunset: 9:15PM.

Alerts

Heat Advisory
Brown, SD, Marshall, SD, Roberts, SD, Walworth, SD, Edmunds, SD, Day, SD, Dewey, SD, Potter, SD, Faulk, SD, Spink, SD, Clark, SD, Codington, SD, Grant, SD, Hamlin, SD, Deuel, SD, Stanley, SD, Sully, SD, Hughes, SD, Hyde, SD, Hand, SD, Jones, SD, Lyman, SD, Buffalo, SD
Expires 9:00 PM
46 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
37°
3%
5 PM
38°
16%
6 PM
37°
16%
7 PM
36°
16%
8 PM
33°
16%
9 PM
30°
16%
10 PM
28°
8%
11 PM
27°
8%
12 AM
26°
3%
1 AM
26°
3%
2 AM
25°
3%
3 AM
24°
15%
4 AM
24°
3%
5 AM
20°
3%
6 AM
20°
3%
7 AM
21°
3%
8 AM
22°
3%
9 AM
23°
3%
10 AM
24°
3%
11 AM
27°
3%
12 PM
28°
3%
1 PM
29°
3%
2 PM
30°
3%
3 PM
30°
3%
7-Day Forecast
Today
39° 20°
Clear.
Sat
34° 20°
Mostly Clear.
Sun
37° 20°
Partly Cloudy with a 21% chance of rain.
Mon
37° 22°
Clear.
Tue
28° 18°
Mostly Clear.
Wed
28° 17°
Drizzle, 60% chance.
Thu
32° 17°
Partly Cloudy with a 60% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 37° Clear 3% 3 mph N 20%
5 PM 38° Clear 16% 3 mph NNE 20%
6 PM 37° Clear 16% 6 mph NE 22%
7 PM 36° Clear 16% 8 mph NE 28%
8 PM 33° Clear 16% 9 mph NE 36%
9 PM 30° Clear 16% 10 mph NE 42%
10 PM 28° Clear 8% 11 mph NE 48%
11 PM 27° Mostly Clear 8% 12 mph NE 55%
12 AM 26° Mostly Clear 3% 14 mph NE 62%
1 AM 26° Mostly Clear 3% 14 mph NE 67%
2 AM 25° Mostly Clear 3% 14 mph NE 69%
3 AM 24° Mostly Clear 15% 13 mph ENE 68%
4 AM 24° Partly Cloudy 3% 12 mph ENE 67%
5 AM 20° Partly Cloudy 3% 12 mph ENE 67%
6 AM 20° Mostly Clear 3% 12 mph ENE 66%
7 AM 21° Mostly Clear 3% 12 mph ENE 59%
8 AM 22° Mostly Clear 3% 12 mph ENE 52%
9 AM 23° Mostly Clear 3% 12 mph ENE 46%
10 AM 24° Mostly Clear 3% 11 mph ENE 40%
11 AM 27° Mostly Clear 3% 11 mph ENE 36%
12 PM 28° Mostly Clear 3% 11 mph ENE 32%
1 PM 29° Mostly Clear 3% 11 mph ENE 30%
2 PM 30° Mostly Clear 3% 11 mph ENE 28%
3 PM 30° Mostly Clear 3% 11 mph ENE 26%
15-Day Forecast
Today
7/17
Clear
16%
20°
39°
Sat
7/18
Mostly Clear
3%
20°
34°
Sun
7/19
Partly Cloudy
21%
20°
37°
Mon
7/20
Clear
17%
22°
37°
Tue
7/21
Mostly Clear
9%
18°
28°
Wed
7/22
Drizzle
60%
17°
28°
Thu
7/23
Partly Cloudy
60%
17°
32°
Fri
7/24
Mostly Cloudy
60%
18°
33°
Sat
7/25
Drizzle
60%
17°
33°
Sun
7/26
Drizzle
60%
16°
34°
Mon
7/27
Drizzle
60%
18°
35°
Tue
7/28
Drizzle
60%
21°
35°
Wed
7/29
Drizzle
60%
21°
34°
Thu
7/30
Drizzle
60%
21°
34°
Fri
7/31
Drizzle
60%
21°
34°
46
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
41 AQI 7.4 µg/m³
O3
Ground-level ozone
Dominant
46 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 46 Good 46 41
Sun 41 Good 41 30
Mon 42 Good 42 37
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 Fri Jul 17, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE319 J/kg
MLCAPE27 J/kg
MUCAPE319 J/kg
SBCIN0 J/kg
MLCIN-1 J/kg
Lifted Index-1.2
Kinematics
0–6 km Shear11 kt
0–1 km Shear3 kt
Eff. Shear13 kt
0–1 km SRH-7
0–3 km SRH-3
Eff. SRH-3
Storm Motion204° @ 13 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)0.0
Supercell0.0
K-Index35.9
Thermo & Levels
PWAT1.33 in
0–3 km LR9.3 °C/km
700–500 LR5.9 °C/km
Total Totals47.7
LCL680 hPa
LFC953 hPa
EL228 hPa
Freezing Lvl14,685 ft