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

Hamilton County, Ohio, United States

Last updated: 5:03 PM CDT  ·  Refresh
34°C
Feels like 39°
Clear
▲ 34°  /  ▼ 22°
Wind
8 mph SW
Humidity
52%
Dew Point
21°
Pressure
29.21 inHg
Visibility
9 mi
UV Index
6.4
Cloud Cover
0%
Sunrise
6:15 AM
Sunset
9:08 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Hamilton County is currently clear at 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3564 J/kg) — isolated convective development possible. Sunrise: 6:15AM · Sunset: 9:08PM.

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
71 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
34°
3%
7 PM
34°
3%
8 PM
33°
3%
9 PM
32°
3%
10 PM
29°
3%
11 PM
28°
3%
12 AM
27°
3%
1 AM
27°
3%
2 AM
26°
3%
3 AM
26°
3%
4 AM
24°
3%
5 AM
24°
3%
6 AM
22°
3%
7 AM
23°
3%
8 AM
24°
3%
9 AM
26°
3%
10 AM
28°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
33°
3%
2 PM
34°
3%
3 PM
34°
3%
4 PM
34°
3%
5 PM
35°
3%
7-Day Forecast
Tonight
34° 22°
Clear.
Thu
36° 22°
Mostly Clear.
Fri
36° 24°
Mostly Clear with a 20% chance of rain.
Sat
34° 22°
Partly Cloudy with a 28% chance of rain.
Sun
33° 22°
Thunderstorm, 64% chance.
Mon
33° 22°
Thunderstorm, 64% chance.
Tue
29° 21°
Overcast with a 42% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 34° Clear 3% 8 mph SW 52%
7 PM 34° Clear 3% 6 mph WSW 58%
8 PM 33° Clear 3% 6 mph WSW 65%
9 PM 32° Clear 3% 5 mph WSW 68%
10 PM 29° Clear 3% 4 mph WSW 72%
11 PM 28° Clear 3% 4 mph WSW 75%
12 AM 27° Clear 3% 4 mph SW 79%
1 AM 27° Clear 3% 4 mph SW 83%
2 AM 26° Clear 3% 4 mph SW 86%
3 AM 26° Mostly Clear 3% 4 mph WSW 89%
4 AM 24° Mostly Clear 3% 4 mph WSW 91%
5 AM 24° Mostly Clear 3% 4 mph WSW 93%
6 AM 22° Mostly Clear 3% 3 mph WSW 92%
7 AM 23° Haze 3% 3 mph W 92%
8 AM 24° Fog 3% 2 mph W 88%
9 AM 26° Mostly Clear 3% 3 mph W 80%
10 AM 28° Mostly Clear 3% 3 mph W 72%
11 AM 30° Mostly Clear 3% 4 mph W 65%
12 PM 31° Mostly Clear 3% 4 mph W 60%
1 PM 33° Mostly Clear 3% 4 mph W 57%
2 PM 34° Mostly Clear 3% 5 mph WSW 54%
3 PM 34° Mostly Clear 3% 5 mph WSW 54%
4 PM 34° Mostly Clear 3% 5 mph W 53%
5 PM 35° Mostly Clear 3% 6 mph W 53%
15-Day Forecast
Today
7/1
Clear
3%
22°
34°
Thu
7/2
Mostly Clear
3%
22°
36°
Fri
7/3
Mostly Clear
20%
24°
36°
Sat
7/4
Partly Cloudy
28%
22°
34°
Sun
7/5
Thunderstorm
64%
22°
33°
Mon
7/6
Thunderstorm
64%
22°
33°
Tue
7/7
Overcast
42%
21°
29°
Wed
7/8
Mostly Cloudy
41%
21°
31°
Thu
7/9
Rain
68%
21°
30°
Fri
7/10
Thunderstorm
68%
21°
31°
Sat
7/11
Drizzle
64%
19°
29°
Sun
7/12
Drizzle
60%
19°
29°
Mon
7/13
Drizzle
60%
19°
29°
Tue
7/14
Drizzle
60%
18°
28°
Wed
7/15
Drizzle
60%
18°
27°
71
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
71 AQI 19.7 µg/m³
O3
Ground-level ozone
47 AQI 51 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 71 Moderate 47 71
Fri 62 Moderate 44 62
Sat 62 Moderate 45 62
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
SBCAPE2686 J/kg
MLCAPE1790 J/kg
MUCAPE2686 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.2
Kinematics
0–6 km Shear11 kt
0–1 km Shear3 kt
Eff. Shear7 kt
0–1 km SRH3
0–3 km SRH-15
Eff. SRH-15
Storm Motion213° @ 21 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index19.6
Thermo & Levels
PWAT1.27 in
0–3 km LR7.0 °C/km
700–500 LR7.2 °C/km
Total Totals44.8
LCL821 hPa
LFC989 hPa
EL154 hPa
Freezing Lvl14,629 ft