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

Douglas County, South Dakota, United States

Last updated: 7:39 PM CDT  ·  Refresh
46°F
Feels like 44°
Clear
▲ 52°  /  ▼ 36°
Wind
4 mph NW
Humidity
46%
Dew Point
27°
Pressure
28.88 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
7:47 AM
Sunset
6:48 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Douglas County is currently clear at 46°F. Dry conditions are expected through the next 24 hours. Sunrise: 7:47AM · Sunset: 6:48PM.

Alerts

Frost Advisory
Beadle, SD, Gregory, SD, Jerauld, SD, Sanborn, SD, Brule, SD, Aurora, SD, Davison, SD, Charles Mix, SD, Douglas, SD
Expires 9:00 AM
28 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
46°
11%
8 PM
43°
10%
9 PM
42°
3%
10 PM
40°
3%
11 PM
39°
3%
12 AM
38°
3%
1 AM
38°
3%
2 AM
38°
3%
3 AM
38°
3%
4 AM
38°
3%
5 AM
36°
3%
6 AM
36°
3%
7 AM
38°
3%
8 AM
40°
3%
9 AM
44°
3%
10 AM
48°
3%
11 AM
52°
3%
12 PM
56°
3%
1 PM
61°
3%
2 PM
64°
3%
3 PM
65°
3%
4 PM
64°
3%
5 PM
59°
3%
6 PM
57°
3%
7-Day Forecast
Tonight
52° 36°
Clear.
Sat
67° 36°
Clear.
Sun
70° 45°
Clear.
Mon
66° 41°
Mostly Clear.
Tue
70° 49°
Mostly Clear.
Wed
76° 53°
Clear.
Thu
77° 52°
Partly Cloudy.
TimeTempConditionsPrecipWindHumidity
Now 46° Clear 11% 4 mph NW 46%
8 PM 43° Clear 10% 2 mph WSW 45%
9 PM 42° Clear 3% 3 mph S 48%
10 PM 40° Clear 3% 6 mph S 52%
11 PM 39° Clear 3% 7 mph S 56%
12 AM 38° Clear 3% 8 mph S 60%
1 AM 38° Clear 3% 9 mph S 61%
2 AM 38° Clear 3% 10 mph S 62%
3 AM 38° Clear 3% 11 mph S 62%
4 AM 38° Clear 3% 12 mph S 62%
5 AM 36° Clear 3% 13 mph S 61%
6 AM 36° Clear 3% 14 mph S 60%
7 AM 38° Clear 3% 15 mph SSW 58%
8 AM 40° Clear 3% 16 mph SSW 54%
9 AM 44° Clear 3% 17 mph SSW 49%
10 AM 48° Clear 3% 18 mph SSW 43%
11 AM 52° Clear 3% 19 mph SSW 38%
12 PM 56° Clear 3% 19 mph SSW 33%
1 PM 61° Clear 3% 19 mph SSW 30%
2 PM 64° Clear 3% 19 mph SSW 28%
3 PM 65° Clear 3% 18 mph SSW 27%
4 PM 64° Clear 3% 18 mph SSW 28%
5 PM 59° Clear 3% 17 mph S 31%
6 PM 57° Clear 3% 17 mph S 34%
15-Day Forecast
Today
10/16
Clear
11%
36°
52°
Sat
10/17
Clear
3%
36°
67°
Sun
10/18
Clear
3%
45°
70°
Mon
10/19
Mostly Clear
3%
41°
66°
Tue
10/20
Mostly Clear
7%
49°
70°
Wed
10/21
Clear
7%
53°
76°
Thu
10/22
Partly Cloudy
18%
52°
77°
Fri
10/23
Overcast
27%
52°
74°
Sat
10/24
Drizzle
53%
42°
60°
Sun
10/25
Clear
35%
38°
55°
Mon
10/26
Drizzle
60%
40°
60°
Tue
10/27
Drizzle
60%
42°
60°
Wed
10/28
Drizzle
60%
41°
59°
Thu
10/29
Drizzle
60%
44°
59°
Fri
10/30
Clear
25%
45°
62°
28
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 1.7 µg/m³
O3
Ground-level ozone
Dominant
28 AQI 31 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 28 Good 28 9
Sun 31 Good 31 9
Mon 31 Good 31 14
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 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE1 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index21.4
Kinematics
0–6 km Shear43 kt
0–1 km Shear8 kt
Eff. Shear—
0–1 km SRH48
0–3 km SRH79
Eff. SRH—
Storm Motion22° @ 27 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-35.3
Thermo & Levels
PWAT0.28 in
0–3 km LR3.3 °C/km
700–500 LR5.0 °C/km
Total Totals9.0
LCL831 hPa
LFC—
EL—
Freezing Lvl8,445 ft