Aurora County, South Dakota, United States

Last updated: 9:43 PM CDT  ·  Refresh
31°C
Feels like 31°
Clear
▲ 37°  /  ▼ 20°
Wind
6 mph NE
Humidity
43%
Dew Point
18°
Pressure
28.23 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
0%
Sunrise
6:08 AM
Sunset
9:12 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Aurora County is currently clear at 31°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1982 J/kg) — isolated convective development possible. Sunrise: 6:08AM · Sunset: 9:12PM.

Alerts

No active alerts for this location.
47 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
31°
3%
10 PM
28°
3%
11 PM
27°
3%
12 AM
27°
3%
1 AM
26°
3%
2 AM
24°
3%
3 AM
24°
3%
4 AM
23°
3%
5 AM
20°
3%
6 AM
20°
3%
7 AM
21°
3%
8 AM
22°
3%
9 AM
23°
3%
10 AM
25°
3%
11 AM
27°
3%
12 PM
28°
3%
1 PM
31°
3%
2 PM
32°
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%
7-Day Forecast
Tonight
37° 20°
Clear.
Sat
35° 20°
Mostly Clear.
Sun
38° 19°
Partly Cloudy.
Mon
39° 22°
Clear.
Tue
31° 17°
Clear.
Wed
25° 11°
Rain, 64% chance.
Thu
28° 14°
Clear with a 52% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 31° Clear 3% 6 mph NE 43%
10 PM 28° Clear 3% 8 mph NE 53%
11 PM 27° Clear 3% 8 mph NE 58%
12 AM 27° Clear 3% 10 mph NE 62%
1 AM 26° Clear 3% 11 mph NE 65%
2 AM 24° Mostly Clear 3% 12 mph NE 67%
3 AM 24° Mostly Clear 3% 12 mph NE 69%
4 AM 23° Mostly Clear 3% 12 mph NE 69%
5 AM 20° Mostly Clear 3% 12 mph NE 69%
6 AM 20° Clear 3% 11 mph NE 69%
7 AM 21° Mostly Clear 3% 12 mph ENE 65%
8 AM 22° Mostly Clear 3% 12 mph ENE 58%
9 AM 23° Mostly Clear 3% 12 mph ENE 52%
10 AM 25° Mostly Clear 3% 11 mph ENE 46%
11 AM 27° Partly Cloudy 3% 11 mph ENE 42%
12 PM 28° Partly Cloudy 3% 10 mph ENE 38%
1 PM 31° Partly Cloudy 3% 10 mph ENE 35%
2 PM 32° Partly Cloudy 3% 10 mph ENE 32%
3 PM 33° Partly Cloudy 3% 10 mph ENE 29%
4 PM 33° Partly Cloudy 3% 10 mph ENE 28%
5 PM 33° Partly Cloudy 3% 9 mph ENE 28%
6 PM 33° Mostly Clear 3% 9 mph E 28%
7 PM 32° Mostly Clear 3% 9 mph E 30%
8 PM 31° Mostly Clear 3% 9 mph E 34%
15-Day Forecast
Today
7/17
Clear
3%
20°
37°
Sat
7/18
Mostly Clear
3%
20°
35°
Sun
7/19
Partly Cloudy
17%
19°
38°
Mon
7/20
Clear
14%
22°
39°
Tue
7/21
Clear
3%
17°
31°
Wed
7/22
Rain
64%
11°
25°
Thu
7/23
Clear
52%
14°
28°
Fri
7/24
Clear
17%
14°
31°
Sat
7/25
Drizzle
44%
14°
34°
Sun
7/26
Rain
68%
18°
34°
Mon
7/27
Clear
60%
16°
33°
Tue
7/28
Drizzle
60%
22°
36°
Wed
7/29
Drizzle
60%
21°
36°
Thu
7/30
Clear
25%
21°
35°
Fri
7/31
Clear
60%
21°
35°
47
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
47 AQI 8.5 µg/m³
O3
Ground-level ozone
Dominant
47 AQI 52 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 47 Good 47 47
Sun 40 Good 40 36
Mon 42 Good 42 41
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, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE423 J/kg
MLCAPE71 J/kg
MUCAPE1377 J/kg
SBCIN-412 J/kg
MLCIN0 J/kg
Lifted Index-2.0
Kinematics
0–6 km Shear15 kt
0–1 km Shear7 kt
Eff. Shear15 kt
0–1 km SRH14
0–3 km SRH-12
Eff. SRH-13
Storm Motion262° @ 16 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index35.9
Thermo & Levels
PWAT1.42 in
0–3 km LR7.3 °C/km
700–500 LR6.0 °C/km
Total Totals45.1
LCL789 hPa
LFC674 hPa
EL207 hPa
Freezing Lvl14,603 ft