Union Township, South Dakota

Last updated: 11:26 PM CDT  ·  Refresh
29°C
Feels like 31°
Mostly Clear
▲ 34°  /  ▼ 23°
Wind
4 mph ENE
Humidity
51%
Dew Point
21°
Pressure
27.85 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
10%
Sunrise
6:17 AM
Sunset
9:11 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Union Township is currently mostly clear at 30°C. Precipitation is likely — peak probability 55% around 7 PM. Atmospheric instability is elevated (CAPE up to 2437 J/kg) — isolated convective development possible. Sunrise: 6:17AM · Sunset: 9:11PM.

Alerts

No active alerts for this location.
42 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
29°
3%
12 AM
28°
14%
1 AM
27°
3%
2 AM
27°
3%
3 AM
26°
3%
4 AM
26°
3%
5 AM
25°
3%
6 AM
23°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
28°
3%
10 AM
30°
13%
11 AM
32°
13%
12 PM
33°
14%
1 PM
34°
17%
2 PM
35°
27%
3 PM
36°
31%
4 PM
36°
41%
5 PM
34°
41%
6 PM
31°
55%
7 PM
30°
55%
8 PM
29°
55%
9 PM
27°
47%
10 PM
27°
45%
7-Day Forecast
Tonight
34° 23°
Mostly Clear.
Mon
38° 23°
Partly Cloudy with a 41% chance of rain.
Tue
36° 21°
Mostly Clear.
Wed
36° 22°
Clear with a 79% chance of rain.
Thu
31° 21°
Heavy Rain, 83% chance.
Fri
33° 17°
Clear.
Sat
34° 20°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 29° Mostly Clear 3% 4 mph ENE 51%
12 AM 28° Clear 14% 6 mph E 50%
1 AM 27° Clear 3% 6 mph E 55%
2 AM 27° Mostly Clear 3% 4 mph NE 58%
3 AM 26° Partly Cloudy 3% 4 mph NNE 59%
4 AM 26° Mostly Clear 3% 6 mph NNE 59%
5 AM 25° Mostly Clear 3% 6 mph NNE 57%
6 AM 23° Partly Cloudy 3% 7 mph NE 54%
7 AM 24° Partly Cloudy 3% 8 mph NE 49%
8 AM 26° Partly Cloudy 3% 9 mph NE 43%
9 AM 28° Partly Cloudy 3% 10 mph ENE 37%
10 AM 30° Partly Cloudy 13% 11 mph ENE 32%
11 AM 32° Partly Cloudy 13% 10 mph ENE 28%
12 PM 33° Partly Cloudy 14% 9 mph E 24%
1 PM 34° Partly Cloudy 17% 9 mph E 20%
2 PM 35° Partly Cloudy 27% 8 mph E 19%
3 PM 36° Partly Cloudy 31% 7 mph E 17%
4 PM 36° Partly Cloudy 41% 6 mph E 18%
5 PM 34° Mostly Cloudy 41% 8 mph E 22%
6 PM 31° Mostly Cloudy 55% 12 mph ESE 26%
7 PM 30° Mostly Cloudy 55% 12 mph SE 31%
8 PM 29° Mostly Cloudy 55% 9 mph ESE 36%
9 PM 27° Overcast 47% 8 mph ESE 41%
10 PM 27° Overcast 45% 7 mph ESE 43%
15-Day Forecast
Today
7/26
Mostly Clear
3%
23°
34°
Mon
7/27
Partly Cloudy
41%
23°
38°
Tue
7/28
Mostly Clear
7%
21°
36°
Wed
7/29
Clear
79%
22°
36°
Thu
7/30
Heavy Rain
83%
21°
31°
Fri
7/31
Clear
8%
17°
33°
Sat
8/1
Clear
8%
20°
34°
Sun
8/2
Clear
8%
22°
39°
Mon
8/3
Clear
18%
21°
34°
Tue
8/4
Drizzle
44%
17°
30°
Wed
8/5
Clear
12%
11°
25°
Thu
8/6
Drizzle
60%
17°
29°
Fri
8/7
Clear
60%
17°
30°
Sat
8/8
Drizzle
60%
18°
29°
Sun
8/9
Drizzle
60%
18°
30°
42
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
42 AQI 7.6 µg/m³
O3
Ground-level ozone
Dominant
42 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 42 Good 42 42
Tue 51 Moderate 51 48
Wed 61 Moderate 61 52
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 Mon Jul 27, 03:00'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
SBCAPE1588 J/kg
MLCAPE2491 J/kg
MUCAPE3438 J/kg
SBCIN-491 J/kg
MLCIN0 J/kg
Lifted Index-4.4
Kinematics
0–6 km Shear28 kt
0–1 km Shear4 kt
Eff. Shear43 kt
0–1 km SRH-9
0–3 km SRH-63
Eff. SRH-81
Storm Motion264° @ 12 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index29.2
Thermo & Levels
PWAT1.47 in
0–3 km LR5.6 °C/km
700–500 LR7.6 °C/km
Total Totals53.4
LCL826 hPa
LFC635 hPa
EL189 hPa
Freezing Lvl15,282 ft