Heat Advisory — Wayne, IN, Fayette, IN, Union, IN, Franklin, IN, Ripley, IN, Dearborn, IN, Ohio, IN, Switzerland, IN, Carroll, KY, Gallatin, KY, Boone, KY, Kenton, KY, Campbell, KY, Owen, KY, Grant, KY, Pendleton, KY, Bracken, KY, Robertson, KY, Mason, KY, Lewis, KY, Hardin, OH, Mercer, OH, Auglaize, OH, Darke, OH, Shelby, OH, Logan, OH, Union, OH, Delaware, OH, Miami, OH, Champaign, OH, Clark, OH, Madison, OH, Franklin, OH, Licking, OH, Preble, OH, Montgomery, OH, Greene, OH, Fayette, OH, Pickaway, OH, Fairfield, OH, Butler, OH, Warren, OH, Clinton, OH, Ross, OH, Hocking, OH, Hamilton, OH, Clermont, OH, Brown, OH, Highland, OH, Adams, OH, Pike, OH, Scioto, OH 10:00 PM

Union County, Indiana, United States

Last updated: 11:50 PM CDT  ·  Refresh
23°C
Feels like 26°
Mostly Clear
▲ 34°  /  ▼ 22°
Wind
5 mph S
Humidity
84%
Dew Point
21°
Pressure
29.01 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
11%
Sunrise
7:08 AM
Sunset
8:10 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Union County is currently mostly clear at 23°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2780 J/kg) — isolated convective development possible. Sunrise: 7:08AM · Sunset: 8:10PM.

Alerts

Heat Advisory
Wayne, IN, Fayette, IN, Union, IN, Franklin, IN, Ripley, IN, Dearborn, IN, Ohio, IN, Switzerland, IN, Carroll, KY, Gallatin, KY, Boone, KY, Kenton, KY, Campbell, KY, Owen, KY, Grant, KY, Pendleton, KY, Bracken, KY, Robertson, KY, Mason, KY, Lewis, KY, Hardin, OH, Mercer, OH, Auglaize, OH, Darke, OH, Shelby, OH, Logan, OH, Union, OH, Delaware, OH, Miami, OH, Champaign, OH, Clark, OH, Madison, OH, Franklin, OH, Licking, OH, Preble, OH, Montgomery, OH, Greene, OH, Fayette, OH, Pickaway, OH, Fairfield, OH, Butler, OH, Warren, OH, Clinton, OH, Ross, OH, Hocking, OH, Hamilton, OH, Clermont, OH, Brown, OH, Highland, OH, Adams, OH, Pike, OH, Scioto, OH
Expires 10:00 PM
57 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
5%
1 AM
23°
5%
2 AM
23°
5%
3 AM
22°
5%
4 AM
22°
5%
5 AM
21°
3%
6 AM
21°
3%
7 AM
21°
3%
8 AM
23°
3%
9 AM
27°
3%
10 AM
28°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
33°
3%
2 PM
33°
3%
3 PM
33°
3%
4 PM
34°
3%
5 PM
33°
3%
6 PM
32°
3%
7 PM
31°
3%
8 PM
30°
3%
9 PM
27°
3%
10 PM
27°
3%
11 PM
27°
3%
7-Day Forecast
Today
34° 22°
Clear.
Wed
36° 22°
Clear.
Thu
36° 23°
Mostly Clear with a 68% chance of rain.
Fri
34° 22°
Fog with a 63% chance of rain.
Sat
33° 19°
Thunderstorm, 60% chance.
Sun
31° 18°
Clear.
Mon
30° 14°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 23° Mostly Clear 5% 5 mph S 84%
1 AM 23° Clear 5% 6 mph S 82%
2 AM 23° Clear 5% 7 mph SSW 84%
3 AM 22° Clear 5% 5 mph SSW 85%
4 AM 22° Clear 5% 5 mph SSW 87%
5 AM 21° Clear 3% 5 mph SSW 87%
6 AM 21° Clear 3% 5 mph SSW 88%
7 AM 21° Clear 3% 5 mph SSW 88%
8 AM 23° Clear 3% 7 mph SW 82%
9 AM 27° Clear 3% 9 mph SW 75%
10 AM 28° Clear 3% 10 mph SW 70%
11 AM 30° Clear 3% 11 mph WSW 66%
12 PM 31° Mostly Clear 3% 11 mph WSW 62%
1 PM 33° Mostly Clear 3% 10 mph WSW 60%
2 PM 33° Mostly Clear 3% 10 mph WSW 59%
3 PM 33° Clear 3% 10 mph WSW 58%
4 PM 34° Clear 3% 10 mph WSW 58%
5 PM 33° Clear 3% 8 mph WSW 62%
6 PM 32° Clear 3% 7 mph SW 68%
7 PM 31° Clear 3% 6 mph SW 72%
8 PM 30° Clear 3% 6 mph SW 73%
9 PM 27° Clear 3% 6 mph SW 72%
10 PM 27° Clear 3% 6 mph SW 72%
11 PM 27° Clear 3% 6 mph SW 72%
15-Day Forecast
Today
9/1
Clear
5%
22°
34°
Wed
9/2
Clear
3%
22°
36°
Thu
9/3
Mostly Clear
68%
23°
36°
Fri
9/4
Fog
63%
22°
34°
Sat
9/5
Thunderstorm
60%
19°
33°
Sun
9/6
Clear
19%
18°
31°
Mon
9/7
Clear
19%
14°
30°
Tue
9/8
Drizzle
60%
18°
31°
Wed
9/9
Drizzle
60%
17°
32°
Thu
9/10
Drizzle
60%
15°
32°
Fri
9/11
Drizzle
60%
19°
31°
Sat
9/12
Drizzle
60%
16°
29°
Sun
9/13
Drizzle
60%
16°
27°
Mon
9/14
Drizzle
60%
15°
28°
Tue
9/15
Drizzle
60%
15°
27°
57
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
57 AQI 12.4 µg/m³
O3
Ground-level ozone
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 57 Moderate 38 57
Wed 52 Moderate 36 52
Thu 54 Moderate 40 54
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 Tue Sep 1, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE326 J/kg
MLCAPE446 J/kg
MUCAPE1003 J/kg
SBCIN-504 J/kg
MLCIN-347 J/kg
Lifted Index-1.9
Kinematics
0–6 km Shear29 kt
0–1 km Shear19 kt
Eff. Shear—
0–1 km SRH144
0–3 km SRH120
Eff. SRH—
Storm Motion353° @ 16 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.2
STP (eff)—
Supercell—
K-Index30.2
Thermo & Levels
PWAT1.42 in
0–3 km LR3.9 °C/km
700–500 LR6.8 °C/km
Total Totals45.2
LCL950 hPa
LFC622 hPa
EL215 hPa
Freezing Lvl14,997 ft