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: 3:55 PM CDT  ·  Refresh
33°C
Feels like 39°
Clear
▲ 34°  /  ▼ 21°
Wind
9 mph SW
Humidity
56%
Dew Point
23°
Pressure
28.98 inHg
Visibility
9 mi
UV Index
7.9
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 3618 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%
5 PM
34°
3%
6 PM
34°
3%
7 PM
32°
3%
8 PM
31°
3%
9 PM
28°
3%
10 PM
27°
3%
11 PM
26°
3%
12 AM
26°
3%
1 AM
24°
3%
2 AM
24°
3%
3 AM
23°
3%
4 AM
23°
3%
5 AM
21°
3%
6 AM
22°
3%
7 AM
23°
3%
8 AM
24°
3%
9 AM
27°
3%
10 AM
28°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
32°
3%
2 PM
33°
3%
3 PM
33°
3%
7-Day Forecast
Today
34° 21°
Clear.
Thu
34° 21°
Partly Cloudy.
Fri
36° 23°
Mostly Clear with a 56% chance of rain.
Sat
32° 22°
Mostly Cloudy with a 76% chance of rain.
Sun
32° 22°
Rain, 64% chance.
Mon
32° 21°
Rain, 64% chance.
Tue
29° 20°
Rain, 42% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 3% 9 mph SW 56%
5 PM 34° Clear 3% 9 mph SW 58%
6 PM 34° Clear 3% 8 mph SW 62%
7 PM 32° Clear 3% 6 mph WSW 68%
8 PM 31° Clear 3% 5 mph WSW 73%
9 PM 28° Clear 3% 5 mph WSW 77%
10 PM 27° Clear 3% 5 mph SW 81%
11 PM 26° Clear 3% 5 mph SW 83%
12 AM 26° Clear 3% 5 mph SW 85%
1 AM 24° Mostly Clear 3% 5 mph SW 85%
2 AM 24° Clear 3% 5 mph WSW 88%
3 AM 23° Clear 3% 4 mph WSW 90%
4 AM 23° Clear 3% 4 mph WSW 92%
5 AM 21° Mostly Clear 3% 4 mph SW 92%
6 AM 22° Mostly Clear 3% 3 mph SW 92%
7 AM 23° Mostly Clear 3% 3 mph SW 90%
8 AM 24° Mostly Clear 3% 4 mph WSW 85%
9 AM 27° Mostly Clear 3% 4 mph WSW 79%
10 AM 28° Partly Cloudy 3% 5 mph WSW 75%
11 AM 30° Partly Cloudy 3% 5 mph WSW 72%
12 PM 31° Partly Cloudy 3% 5 mph WSW 69%
1 PM 32° Mostly Cloudy 3% 6 mph WSW 66%
2 PM 33° Partly Cloudy 3% 6 mph WSW 65%
3 PM 33° Partly Cloudy 3% 6 mph WSW 65%
15-Day Forecast
Today
7/1
Clear
3%
21°
34°
Thu
7/2
Partly Cloudy
3%
21°
34°
Fri
7/3
Mostly Clear
56%
23°
36°
Sat
7/4
Mostly Cloudy
76%
22°
32°
Sun
7/5
Rain
64%
22°
32°
Mon
7/6
Rain
64%
21°
32°
Tue
7/7
Rain
42%
20°
29°
Wed
7/8
Thunderstorm
69%
18°
29°
Thu
7/9
Rain
68%
19°
28°
Fri
7/10
Rain
68%
18°
29°
Sat
7/11
Drizzle
64%
18°
28°
Sun
7/12
Drizzle
60%
18°
29°
Mon
7/13
Drizzle
60%
18°
29°
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, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3629 J/kg
MLCAPE2651 J/kg
MUCAPE3629 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-7.6
Kinematics
0–6 km Shear12 kt
0–1 km Shear2 kt
Eff. Shear6 kt
0–1 km SRH2
0–3 km SRH-34
Eff. SRH-34
Storm Motion220° @ 21 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index16.8
Thermo & Levels
PWAT1.22 in
0–3 km LR7.1 °C/km
700–500 LR7.1 °C/km
Total Totals42.3
LCL839 hPa
LFC981 hPa
EL141 hPa
Freezing Lvl14,206 ft