Frost Advisory — Beadle, SD, Gregory, SD, Jerauld, SD, Sanborn, SD, Brule, SD, Aurora, SD, Davison, SD, Charles Mix, SD, Douglas, SD 9:00 AM

Brule County, South Dakota, United States

Last updated: 7:39 PM CDT  ·  Refresh
8°C
Feels like 4°
Clear
▲ 11°  /  ▼ 3°
Wind
2 mph SW
Humidity
47%
Dew Point
-3°
Pressure
28.75 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
7:50 AM
Sunset
6:50 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Brule County is currently clear at 8°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:50AM · Sunset: 6:50PM.

26 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
8°
11%
8 PM
6°
10%
9 PM
6°
3%
10 PM
4°
3%
11 PM
4°
3%
12 AM
4°
3%
1 AM
4°
3%
2 AM
4°
3%
3 AM
4°
3%
4 AM
4°
3%
5 AM
3°
3%
6 AM
3°
3%
7 AM
3°
3%
8 AM
4°
3%
9 AM
7°
3%
10 AM
9°
3%
11 AM
12°
3%
12 PM
14°
3%
1 PM
18°
3%
2 PM
19°
3%
3 PM
20°
3%
4 PM
19°
3%
5 PM
17°
3%
6 PM
16°
3%
7-Day Forecast
Tonight
11° 3°
Clear.
Sat
21° 3°
Clear.
Sun
22° 6°
Clear.
Mon
18° 4°
Mostly Clear.
Tue
21° 8°
Clear.
Wed
25° 11°
Clear with a 38% chance of rain.
Thu
25° 10°
Mostly Cloudy with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 8° Clear 11% 2 mph SW 47%
8 PM 6° Clear 10% 4 mph SSE 47%
9 PM 6° Clear 3% 6 mph SSE 50%
10 PM 4° Clear 3% 7 mph SSE 53%
11 PM 4° Clear 3% 8 mph S 55%
12 AM 4° Clear 3% 10 mph S 57%
1 AM 4° Clear 3% 11 mph S 58%
2 AM 4° Clear 3% 11 mph S 58%
3 AM 4° Clear 3% 12 mph S 57%
4 AM 4° Clear 3% 12 mph S 57%
5 AM 3° Clear 3% 12 mph S 57%
6 AM 3° Clear 3% 11 mph S 56%
7 AM 3° Clear 3% 11 mph S 54%
8 AM 4° Clear 3% 12 mph S 49%
9 AM 7° Clear 3% 13 mph SSW 43%
10 AM 9° Clear 3% 14 mph SSW 37%
11 AM 12° Clear 3% 14 mph SSW 32%
12 PM 14° Clear 3% 15 mph SSW 28%
1 PM 18° Clear 3% 15 mph SSW 25%
2 PM 19° Clear 3% 15 mph SSW 24%
3 PM 20° Clear 3% 15 mph SSW 23%
4 PM 19° Clear 3% 14 mph S 24%
5 PM 17° Clear 3% 14 mph S 26%
6 PM 16° Clear 3% 13 mph S 28%
15-Day Forecast
Today
10/16
Clear
11%
3°
11°
Sat
10/17
Clear
3%
3°
21°
Sun
10/18
Clear
3%
6°
22°
Mon
10/19
Mostly Clear
3%
4°
18°
Tue
10/20
Clear
7%
8°
21°
Wed
10/21
Clear
38%
11°
25°
Thu
10/22
Mostly Cloudy
31%
10°
25°
Fri
10/23
Rain
59%
10°
23°
Sat
10/24
Partly Cloudy
39%
4°
14°
Sun
10/25
Clear
35%
2°
12°
Mon
10/26
Clear
36%
4°
14°
Tue
10/27
Drizzle
60%
5°
14°
Wed
10/28
Drizzle
60%
5°
14°
Thu
10/29
Clear
25%
6°
14°
Fri
10/30
Clear
25%
7°
16°
26
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
9 AQI 1.8 µg/m³
O3
Ground-level ozone
Dominant
26 AQI 28 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 26 Good 26 9
Sun 34 Good 34 10
Mon 29 Good 29 20
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Fri Oct 16, 23:00'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
SBCAPE0 J/kg
MLCAPE8 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index21.4
Kinematics
0–6 km Shear43 kt
0–1 km Shear10 kt
Eff. Shear—
0–1 km SRH68
0–3 km SRH104
Eff. SRH—
Storm Motion21° @ 26 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-32.7
Thermo & Levels
PWAT0.27 in
0–3 km LR3.2 °C/km
700–500 LR5.0 °C/km
Total Totals11.9
LCL829 hPa
LFC—
EL—
Freezing Lvl8,579 ft