Bon Homme County, South Dakota, United States

Last updated: 10:47 PM CDT  ·  Refresh
28°C
Feels like 29°
Clear
▲ 36°  /  ▼ 19°
Wind
7 mph SSW
Humidity
51%
Dew Point
18°
Pressure
28.40 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:07 AM
Sunset
9:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Bon Homme County is currently clear at 28°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 808 J/kg) — isolated convective development possible. Sunrise: 6:07AM · Sunset: 9:07PM.

Alerts

No active alerts for this location.
45 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
28°
3%
11 PM
27°
3%
12 AM
26°
3%
1 AM
25°
3%
2 AM
24°
3%
3 AM
23°
3%
4 AM
23°
3%
5 AM
19°
3%
6 AM
19°
3%
7 AM
21°
3%
8 AM
23°
3%
9 AM
24°
3%
10 AM
26°
3%
11 AM
27°
3%
12 PM
29°
3%
1 PM
32°
3%
2 PM
33°
3%
3 PM
33°
3%
4 PM
33°
3%
5 PM
33°
3%
6 PM
33°
3%
7 PM
32°
3%
8 PM
31°
3%
9 PM
29°
3%
7-Day Forecast
Tonight
36° 19°
Clear.
Sat
36° 19°
Mostly Clear.
Sun
38° 19°
Mostly Clear.
Mon
40° 22°
Mostly Clear.
Tue
30° 17°
Clear.
Wed
24° 10°
Rain, 64% chance.
Thu
28° 13°
Clear with a 64% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 28° Clear 3% 7 mph SSW 51%
11 PM 27° Clear 3% 7 mph SSW 54%
12 AM 26° Clear 3% 7 mph SW 59%
1 AM 25° Clear 3% 7 mph SW 62%
2 AM 24° Clear 3% 5 mph WSW 65%
3 AM 23° Clear 3% 5 mph WSW 68%
4 AM 23° Clear 3% 3 mph W 71%
5 AM 19° Mostly Clear 3% 3 mph NNW 73%
6 AM 19° Clear 3% 5 mph NE 74%
7 AM 21° Clear 3% 8 mph NE 69%
8 AM 23° Mostly Clear 3% 10 mph ENE 64%
9 AM 24° Mostly Clear 3% 11 mph ENE 57%
10 AM 26° Mostly Clear 3% 11 mph ENE 53%
11 AM 27° Mostly Clear 3% 10 mph ENE 48%
12 PM 29° Partly Cloudy 3% 10 mph ENE 44%
1 PM 32° Partly Cloudy 3% 10 mph ENE 41%
2 PM 33° Partly Cloudy 3% 10 mph ENE 38%
3 PM 33° Partly Cloudy 3% 10 mph ENE 35%
4 PM 33° Mostly Clear 3% 10 mph ENE 34%
5 PM 33° Mostly Clear 3% 10 mph ENE 34%
6 PM 33° Mostly Clear 3% 11 mph ENE 34%
7 PM 32° Mostly Clear 3% 10 mph ENE 37%
8 PM 31° Mostly Clear 3% 10 mph E 42%
9 PM 29° Mostly Clear 3% 10 mph E 46%
15-Day Forecast
Today
7/17
Clear
3%
19°
36°
Sat
7/18
Mostly Clear
3%
19°
36°
Sun
7/19
Mostly Clear
17%
19°
38°
Mon
7/20
Mostly Clear
10%
22°
40°
Tue
7/21
Clear
7%
17°
30°
Wed
7/22
Rain
64%
10°
24°
Thu
7/23
Clear
64%
13°
28°
Fri
7/24
Rain
31%
15°
29°
Sat
7/25
Drizzle
44%
13°
33°
Sun
7/26
Rain
68%
17°
34°
Mon
7/27
Drizzle
60%
15°
33°
Tue
7/28
Drizzle
60%
22°
36°
Wed
7/29
Drizzle
60%
21°
37°
Thu
7/30
Clear
60%
22°
36°
Fri
7/31
Drizzle
60%
22°
36°
45
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
45 AQI 8.1 µg/m³
O3
Ground-level ozone
Dominant
45 AQI 49 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 45 Good 45 45
Sun 42 Good 39 42
Mon 43 Good 43 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 Sat Jul 18, 02:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE65 J/kg
MLCAPE130 J/kg
MUCAPE829 J/kg
SBCIN-459 J/kg
MLCIN0 J/kg
Lifted Index-0.6
Kinematics
0–6 km Shear12 kt
0–1 km Shear11 kt
Eff. Shear23 kt
0–1 km SRH78
0–3 km SRH-4
Eff. SRH-58
Storm Motion273° @ 19 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index31.6
Thermo & Levels
PWAT1.39 in
0–3 km LR6.3 °C/km
700–500 LR5.8 °C/km
Total Totals45.3
LCL830 hPa
LFC574 hPa
EL224 hPa
Freezing Lvl15,400 ft