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: 3:48 PM CDT  ·  Refresh
37°C
Feels like 36°
Clear
▲ 39°  /  ▼ 19°
Wind
2 mph NW
Humidity
19%
Dew Point
13°
Pressure
28.15 inHg
Visibility
10 mi
UV Index
8.7
Cloud Cover
0%
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 1890 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%
4 PM
36°
3%
5 PM
38°
3%
6 PM
38°
3%
7 PM
36°
3%
8 PM
33°
3%
9 PM
29°
3%
10 PM
28°
3%
11 PM
27°
3%
12 AM
26°
3%
1 AM
26°
3%
2 AM
24°
6%
3 AM
24°
18%
4 AM
23°
6%
5 AM
19°
3%
6 AM
19°
3%
7 AM
20°
3%
8 AM
21°
3%
9 AM
22°
3%
10 AM
25°
3%
11 AM
26°
3%
12 PM
27°
3%
1 PM
28°
3%
2 PM
29°
3%
7-Day Forecast
Today
39° 19°
Clear.
Sat
33° 19°
Partly Cloudy.
Sun
36° 18°
Clear with a 21% chance of rain.
Mon
36° 23°
Mostly Clear with a 20% chance of rain.
Tue
28° 16°
Clear.
Wed
28° 14°
Drizzle, 60% chance.
Thu
32° 16°
Clear with a 60% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 37° Clear 3% 2 mph NW 19%
4 PM 36° Clear 3% 3 mph NNE 19%
5 PM 38° Clear 3% 4 mph NNE 20%
6 PM 38° Clear 3% 7 mph NE 22%
7 PM 36° Clear 3% 9 mph NE 30%
8 PM 33° Clear 3% 10 mph NE 41%
9 PM 29° Clear 3% 12 mph NE 51%
10 PM 28° Clear 3% 12 mph NE 55%
11 PM 27° Mostly Clear 3% 13 mph NE 59%
12 AM 26° Partly Cloudy 3% 15 mph NE 64%
1 AM 26° Mostly Clear 3% 15 mph NE 68%
2 AM 24° Mostly Clear 6% 14 mph NE 70%
3 AM 24° Partly Cloudy 18% 13 mph NE 70%
4 AM 23° Partly Cloudy 6% 12 mph ENE 69%
5 AM 19° Partly Cloudy 3% 12 mph ENE 69%
6 AM 19° Partly Cloudy 3% 12 mph ENE 68%
7 AM 20° Partly Cloudy 3% 12 mph ENE 61%
8 AM 21° Partly Cloudy 3% 11 mph ENE 54%
9 AM 22° Mostly Clear 3% 11 mph ENE 47%
10 AM 25° Mostly Clear 3% 10 mph ENE 41%
11 AM 26° Mostly Clear 3% 10 mph ENE 36%
12 PM 27° Mostly Clear 3% 10 mph ENE 32%
1 PM 28° Mostly Clear 3% 10 mph ENE 30%
2 PM 29° Partly Cloudy 3% 10 mph ENE 28%
15-Day Forecast
Today
7/17
Clear
3%
19°
39°
Sat
7/18
Partly Cloudy
18%
19°
33°
Sun
7/19
Clear
21%
18°
36°
Mon
7/20
Mostly Clear
20%
23°
36°
Tue
7/21
Clear
9%
16°
28°
Wed
7/22
Drizzle
60%
14°
28°
Thu
7/23
Clear
60%
16°
32°
Fri
7/24
Clear
60%
17°
33°
Sat
7/25
Drizzle
60%
14°
33°
Sun
7/26
Drizzle
60%
18°
36°
Mon
7/27
Drizzle
60%
21°
35°
Tue
7/28
Drizzle
60%
21°
35°
Wed
7/29
Drizzle
60%
21°
34°
Thu
7/30
Clear
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, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE309 J/kg
MLCAPE23 J/kg
MUCAPE309 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-1.1
Kinematics
0–6 km Shear10 kt
0–1 km Shear2 kt
Eff. Shear13 kt
0–1 km SRH0
0–3 km SRH7
Eff. SRH7
Storm Motion211° @ 14 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.5
Thermo & Levels
PWAT1.31 in
0–3 km LR9.5 °C/km
700–500 LR6.0 °C/km
Total Totals46.7
LCL676 hPa
LFC953 hPa
EL252 hPa
Freezing Lvl14,810 ft