Heat Advisory — Hardin, OH, Mercer, OH, Auglaize, OH, Darke, OH, Shelby, OH, Logan, OH, Miami, OH, Champaign, OH, Clark, OH, Preble, OH, Montgomery, OH, Greene, OH, Butler, OH, Warren, OH, Clinton, OH, Hamilton, OH, Clermont, OH, Brown, OH, Highland, OH, Adams, OH, Union, OH, Delaware, OH, Madison, OH, Franklin, OH, Licking, OH, Fayette, OH, Pickaway, OH, Fairfield, OH, Ross, OH, Hocking, OH, Pike, OH, Scioto, OH 7:00 PM Excessive Heat Warning — 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 7:00 PM

Clark County, Ohio, United States

Last updated: 5:04 PM CDT  ·  Refresh
33°C
Feels like 39°
Clear
▲ 34°  /  ▼ 22°
Wind
8 mph SW
Humidity
60%
Dew Point
22°
Pressure
28.98 inHg
Visibility
10 mi
UV Index
6.4
Cloud Cover
0%
Sunrise
6:10 AM
Sunset
9:07 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Clark County is currently clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3786 J/kg) — isolated convective development possible. Sunrise: 6:10AM · Sunset: 9:07PM.

Alerts

Heat Advisory
Hardin, OH, Mercer, OH, Auglaize, OH, Darke, OH, Shelby, OH, Logan, OH, Miami, OH, Champaign, OH, Clark, OH, Preble, OH, Montgomery, OH, Greene, OH, Butler, OH, Warren, OH, Clinton, OH, Hamilton, OH, Clermont, OH, Brown, OH, Highland, OH, Adams, OH, Union, OH, Delaware, OH, Madison, OH, Franklin, OH, Licking, OH, Fayette, OH, Pickaway, OH, Fairfield, OH, Ross, OH, Hocking, OH, Pike, OH, Scioto, OH
Expires 7:00 PM
Excessive Heat Warning
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 7:00 PM
66 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
33°
3%
7 PM
33°
3%
8 PM
32°
3%
9 PM
31°
3%
10 PM
28°
3%
11 PM
27°
3%
12 AM
26°
3%
1 AM
26°
3%
2 AM
24°
3%
3 AM
24°
3%
4 AM
24°
3%
5 AM
23°
3%
6 AM
22°
3%
7 AM
22°
3%
8 AM
23°
3%
9 AM
26°
3%
10 AM
28°
3%
11 AM
29°
3%
12 PM
29°
3%
1 PM
32°
3%
2 PM
33°
3%
3 PM
33°
3%
4 PM
33°
3%
5 PM
34°
3%
7-Day Forecast
Tonight
34° 22°
Clear.
Thu
34° 22°
Mostly Clear.
Fri
34° 23°
Mostly Clear with a 28% chance of rain.
Sat
32° 22°
Partly Cloudy with a 72% chance of rain.
Sun
32° 21°
Rain, 64% chance.
Mon
31° 21°
Thunderstorm, 64% chance.
Tue
28° 20°
Rain, 64% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 3% 8 mph SW 60%
7 PM 33° Clear 3% 7 mph WSW 64%
8 PM 32° Clear 3% 6 mph WSW 70%
9 PM 31° Clear 3% 5 mph WSW 74%
10 PM 28° Clear 3% 5 mph SW 78%
11 PM 27° Clear 3% 5 mph SW 82%
12 AM 26° Clear 3% 5 mph SW 83%
1 AM 26° Clear 3% 5 mph SW 85%
2 AM 24° Clear 3% 5 mph SW 86%
3 AM 24° Clear 3% 5 mph SW 88%
4 AM 24° Clear 3% 4 mph WSW 90%
5 AM 23° Clear 3% 4 mph WSW 92%
6 AM 22° Clear 3% 3 mph WSW 92%
7 AM 22° Clear 3% 3 mph WSW 91%
8 AM 23° Clear 3% 3 mph WSW 89%
9 AM 26° Mostly Clear 3% 4 mph WSW 84%
10 AM 28° Partly Cloudy 3% 4 mph WSW 79%
11 AM 29° Partly Cloudy 3% 5 mph WSW 74%
12 PM 29° Partly Cloudy 3% 5 mph WSW 70%
1 PM 32° Partly Cloudy 3% 5 mph SW 67%
2 PM 33° Partly Cloudy 3% 6 mph SW 64%
3 PM 33° Partly Cloudy 3% 6 mph SW 64%
4 PM 33° Partly Cloudy 3% 6 mph SW 64%
5 PM 34° Partly Cloudy 3% 7 mph SW 64%
15-Day Forecast
Today
7/1
Clear
3%
22°
34°
Thu
7/2
Mostly Clear
3%
22°
34°
Fri
7/3
Mostly Clear
28%
23°
34°
Sat
7/4
Partly Cloudy
72%
22°
32°
Sun
7/5
Rain
64%
21°
32°
Mon
7/6
Thunderstorm
64%
21°
31°
Tue
7/7
Rain
64%
20°
28°
Wed
7/8
Thunderstorm
72%
19°
29°
Thu
7/9
Rain
69%
19°
28°
Fri
7/10
Rain
68%
18°
28°
Sat
7/11
Drizzle
64%
19°
28°
Sun
7/12
Drizzle
60%
18°
28°
Mon
7/13
Drizzle
60%
18°
28°
Tue
7/14
Drizzle
60%
18°
28°
Wed
7/15
Drizzle
60%
17°
27°
66
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
66 AQI 17.1 µg/m³
O3
Ground-level ozone
40 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 66 Moderate 40 66
Fri 59 Moderate 44 59
Sat 61 Moderate 44 61
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 Wed Jul 1, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3196 J/kg
MLCAPE2360 J/kg
MUCAPE3196 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.8
Kinematics
0–6 km Shear14 kt
0–1 km Shear4 kt
Eff. Shear8 kt
0–1 km SRH1
0–3 km SRH-33
Eff. SRH-33
Storm Motion224° @ 23 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index18.2
Thermo & Levels
PWAT1.22 in
0–3 km LR6.7 °C/km
700–500 LR7.1 °C/km
Total Totals43.6
LCL844 hPa
LFC981 hPa
EL147 hPa
Freezing Lvl14,291 ft