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

Mercer County, Ohio, United States

Last updated: 11:50 PM CDT  ·  Refresh
76°F
Feels like 79°
Partly Cloudy
▲ 91°  /  ▼ 72°
Wind
8 mph SSW
Humidity
82%
Dew Point
70°
Pressure
29.02 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
52%
Sunrise
7:05 AM
Sunset
8:10 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Mercer County is currently partly cloudy at 76°F. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3714 J/kg) — isolated convective development possible. Sunrise: 7:05AM · 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
61 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
76°
36%
1 AM
75°
11%
2 AM
75°
9%
3 AM
74°
10%
4 AM
74°
11%
5 AM
72°
11%
6 AM
71°
8%
7 AM
72°
8%
8 AM
74°
8%
9 AM
79°
8%
10 AM
82°
8%
11 AM
83°
5%
12 PM
85°
5%
1 PM
89°
3%
2 PM
90°
3%
3 PM
91°
3%
4 PM
91°
3%
5 PM
91°
3%
6 PM
89°
3%
7 PM
86°
3%
8 PM
85°
3%
9 PM
82°
3%
10 PM
81°
3%
11 PM
80°
3%
7-Day Forecast
Today
91° 72°
Partly Cloudy with a 36% chance of rain.
Wed
94° 72°
Clear.
Thu
95° 73°
Clear with a 78% chance of rain.
Fri
91° 70°
Thunderstorm, 63% chance.
Sat
88° 66°
Drizzle, 60% chance.
Sun
84° 62°
Clear.
Mon
84° 58°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 76° Partly Cloudy 36% 8 mph SSW 82%
1 AM 75° Partly Cloudy 11% 8 mph SSW 77%
2 AM 75° Mostly Cloudy 9% 8 mph SSW 78%
3 AM 74° Partly Cloudy 10% 9 mph SSW 80%
4 AM 74° Partly Cloudy 11% 9 mph SSW 82%
5 AM 72° Mostly Clear 11% 8 mph SW 83%
6 AM 71° Mostly Clear 8% 8 mph SW 85%
7 AM 72° Mostly Clear 8% 8 mph SW 85%
8 AM 74° Clear 8% 10 mph SW 81%
9 AM 79° Clear 8% 11 mph WSW 76%
10 AM 82° Mostly Clear 8% 12 mph WSW 72%
11 AM 83° Partly Cloudy 5% 11 mph WSW 69%
12 PM 85° Partly Cloudy 5% 11 mph WSW 68%
1 PM 89° Partly Cloudy 3% 11 mph WSW 66%
2 PM 90° Mostly Cloudy 3% 11 mph WSW 65%
3 PM 91° Mostly Cloudy 3% 11 mph SW 66%
4 PM 91° Overcast 3% 11 mph SW 67%
5 PM 91° Overcast 3% 10 mph SW 70%
6 PM 89° Mostly Cloudy 3% 9 mph SW 75%
7 PM 86° Mostly Cloudy 3% 9 mph SW 79%
8 PM 85° Mostly Cloudy 3% 9 mph SW 81%
9 PM 82° Partly Cloudy 3% 8 mph SW 82%
10 PM 81° Partly Cloudy 3% 8 mph SW 83%
11 PM 80° Partly Cloudy 3% 8 mph SW 82%
15-Day Forecast
Today
9/1
Partly Cloudy
36%
72°
91°
Wed
9/2
Clear
14%
72°
94°
Thu
9/3
Clear
78%
73°
95°
Fri
9/4
Thunderstorm
63%
70°
91°
Sat
9/5
Drizzle
60%
66°
88°
Sun
9/6
Clear
19%
62°
84°
Mon
9/7
Clear
19%
58°
84°
Tue
9/8
Drizzle
60%
64°
84°
Wed
9/9
Drizzle
60%
62°
87°
Thu
9/10
Drizzle
60%
59°
86°
Fri
9/11
Drizzle
60%
64°
84°
Sat
9/12
Drizzle
60%
60°
80°
Sun
9/13
Drizzle
60%
58°
78°
Mon
9/14
Drizzle
60%
59°
79°
Tue
9/15
Drizzle
60%
58°
77°
61
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
61 AQI 14.6 µg/m³
O3
Ground-level ozone
37 AQI 41 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 61 Moderate 37 61
Wed 56 Moderate 35 56
Thu 59 Moderate 38 59
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
SBCAPE742 J/kg
MLCAPE926 J/kg
MUCAPE1667 J/kg
SBCIN-444 J/kg
MLCIN-311 J/kg
Lifted Index-2.9
Kinematics
0–6 km Shear29 kt
0–1 km Shear22 kt
Eff. Shear34 kt
0–1 km SRH221
0–3 km SRH207
Eff. SRH81
Storm Motion338° @ 17 kt
0–1 km EHI1.0
Composite Parameters
Sig. Tornado0.5
STP (eff)0.0
Supercell2.3
K-Index29.6
Thermo & Levels
PWAT1.77 in
0–3 km LR4.4 °C/km
700–500 LR6.7 °C/km
Total Totals40.0
LCL940 hPa
LFC651 hPa
EL190 hPa
Freezing Lvl14,728 ft