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

Gregory County, South Dakota, United States

Last updated: 8:28 PM CDT  ·  Refresh
7°C
Feels like 6°
Clear
▲ 11°  /  ▼ 3°
Wind
3 mph SW
Humidity
47%
Dew Point
-3°
Pressure
28.45 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
7:50 AM
Sunset
6:51 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Gregory County is currently clear at 7°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:50AM · Sunset: 6:51PM.

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
7°
11%
9 PM
6°
3%
10 PM
5°
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
4°
3%
6 AM
3°
3%
7 AM
4°
3%
8 AM
5°
3%
9 AM
7°
3%
10 AM
9°
3%
11 AM
11°
3%
12 PM
14°
3%
1 PM
16°
3%
2 PM
18°
3%
3 PM
20°
3%
4 PM
20°
3%
5 PM
19°
3%
6 PM
17°
3%
7 PM
16°
3%
7-Day Forecast
Tonight
11° 3°
Clear.
Sat
21° 3°
Clear.
Sun
23° 8°
Clear.
Mon
20° 6°
Mostly Clear.
Tue
22° 9°
Partly Cloudy.
Wed
26° 11°
Clear with a 38% chance of rain.
Thu
26° 11°
Mostly Cloudy with a 31% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 7° Clear 11% 3 mph SW 47%
9 PM 6° Clear 3% 6 mph S 47%
10 PM 5° Clear 3% 7 mph S 50%
11 PM 4° Clear 3% 8 mph S 52%
12 AM 4° Clear 3% 10 mph S 54%
1 AM 4° Clear 3% 11 mph S 56%
2 AM 4° Clear 3% 13 mph SSW 57%
3 AM 4° Clear 3% 15 mph SSW 56%
4 AM 4° Clear 3% 16 mph SSW 55%
5 AM 4° Clear 3% 17 mph SSW 55%
6 AM 3° Clear 3% 18 mph SSW 54%
7 AM 4° Clear 3% 18 mph SSW 52%
8 AM 5° Clear 3% 19 mph SSW 48%
9 AM 7° Clear 3% 20 mph SSW 44%
10 AM 9° Clear 3% 21 mph SSW 38%
11 AM 11° Clear 3% 20 mph SSW 34%
12 PM 14° Clear 3% 20 mph SSW 28%
1 PM 16° Clear 3% 20 mph SSW 25%
2 PM 18° Clear 3% 20 mph SSW 23%
3 PM 20° Clear 3% 19 mph SSW 22%
4 PM 20° Clear 3% 19 mph SSW 22%
5 PM 19° Clear 3% 18 mph SSW 24%
6 PM 17° Clear 3% 18 mph SSW 26%
7 PM 16° Clear 3% 18 mph SSW 28%
15-Day Forecast
Today
10/16
Clear
11%
3°
11°
Sat
10/17
Clear
3%
3°
21°
Sun
10/18
Clear
3%
8°
23°
Mon
10/19
Mostly Clear
3%
6°
20°
Tue
10/20
Partly Cloudy
3%
9°
22°
Wed
10/21
Clear
38%
11°
26°
Thu
10/22
Mostly Cloudy
31%
11°
26°
Fri
10/23
Drizzle
48%
10°
24°
Sat
10/24
Drizzle
47%
6°
16°
Sun
10/25
Rain
54%
3°
12°
Mon
10/26
Partly Cloudy
60%
4°
16°
Tue
10/27
Drizzle
60%
5°
16°
Wed
10/28
Drizzle
60%
6°
16°
Thu
10/29
Clear
25%
6°
16°
Fri
10/30
Drizzle
60%
6°
14°
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
8 AQI 1.5 µg/m³
O3
Ground-level ozone
Dominant
28 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 28 Good 28 8
Sun 34 Good 34 9
Mon 31 Good 31 18
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
MLCAPE5 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index21.9
Kinematics
0–6 km Shear41 kt
0–1 km Shear10 kt
Eff. Shear—
0–1 km SRH67
0–3 km SRH116
Eff. SRH—
Storm Motion21° @ 24 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-30.6
Thermo & Levels
PWAT0.24 in
0–3 km LR3.0 °C/km
700–500 LR4.9 °C/km
Total Totals13.2
LCL827 hPa
LFC—
EL—
Freezing Lvl8,629 ft