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

Butler County, Ohio, United States

Last updated: 5:03 PM CDT  ·  Refresh
33°C
Feels like 39°
Clear
▲ 34°  /  ▼ 22°
Wind
7 mph SW
Humidity
58%
Dew Point
23°
Pressure
29.24 inHg
Visibility
9 mi
UV Index
6.5
Cloud Cover
0%
Sunrise
6:15 AM
Sunset
9:09 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Butler County is currently clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3718 J/kg) — isolated convective development possible. Sunrise: 6:15AM · Sunset: 9:09PM.

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
67 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
25°
3%
10 AM
28°
3%
11 AM
29°
5%
12 PM
30°
5%
1 PM
32°
5%
2 PM
33°
5%
3 PM
33°
5%
4 PM
33°
5%
5 PM
34°
16%
7-Day Forecast
Tonight
34° 22°
Clear.
Thu
35° 22°
Mostly Clear.
Fri
34° 23°
Mostly Clear with a 28% chance of rain.
Sat
32° 22°
Partly Cloudy with a 35% chance of rain.
Sun
32° 21°
Rain, 64% chance.
Mon
32° 22°
Partly Cloudy with a 43% chance of rain.
Tue
28° 21°
Mostly Cloudy with a 29% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 3% 7 mph SW 58%
7 PM 33° Clear 3% 6 mph SW 64%
8 PM 32° Clear 3% 5 mph WSW 70%
9 PM 31° Clear 3% 5 mph WSW 74%
10 PM 28° Clear 3% 5 mph WSW 78%
11 PM 27° Clear 3% 4 mph WSW 81%
12 AM 26° Clear 3% 4 mph SW 83%
1 AM 26° Clear 3% 4 mph SW 86%
2 AM 24° Clear 3% 4 mph SW 88%
3 AM 24° Clear 3% 4 mph WSW 90%
4 AM 24° Clear 3% 4 mph WSW 91%
5 AM 23° Clear 3% 3 mph WSW 92%
6 AM 22° Clear 3% 3 mph WSW 92%
7 AM 22° Mostly Clear 3% 2 mph W 92%
8 AM 23° Mostly Clear 3% 2 mph W 90%
9 AM 25° Mostly Clear 3% 3 mph W 83%
10 AM 28° Mostly Clear 3% 4 mph W 77%
11 AM 29° Mostly Clear 5% 4 mph W 71%
12 PM 30° Mostly Clear 5% 4 mph WSW 67%
1 PM 32° Partly Cloudy 5% 5 mph WSW 64%
2 PM 33° Partly Cloudy 5% 5 mph SW 61%
3 PM 33° Partly Cloudy 5% 5 mph WSW 61%
4 PM 33° Partly Cloudy 5% 6 mph WSW 60%
5 PM 34° Partly Cloudy 16% 6 mph WSW 60%
15-Day Forecast
Today
7/1
Clear
3%
22°
34°
Thu
7/2
Mostly Clear
16%
22°
35°
Fri
7/3
Mostly Clear
28%
23°
34°
Sat
7/4
Partly Cloudy
35%
22°
32°
Sun
7/5
Rain
64%
21°
32°
Mon
7/6
Partly Cloudy
43%
22°
32°
Tue
7/7
Mostly Cloudy
29%
21°
28°
Wed
7/8
Overcast
27%
20°
29°
Thu
7/9
Rain
68%
20°
29°
Fri
7/10
Thunderstorm
90%
20°
29°
Sat
7/11
Drizzle
64%
19°
28°
Sun
7/12
Drizzle
60%
19°
28°
Mon
7/13
Drizzle
60%
18°
28°
Tue
7/14
Drizzle
60%
18°
28°
Wed
7/15
Drizzle
60%
18°
27°
67
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
67 AQI 17.8 µg/m³
O3
Ground-level ozone
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 67 Moderate 38 67
Fri 60 Moderate 40 60
Sat 58 Moderate 37 58
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
SBCAPE3221 J/kg
MLCAPE2035 J/kg
MUCAPE3221 J/kg
SBCIN-110 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 SRH2
0–3 km SRH-25
Eff. SRH-25
Storm Motion211° @ 22 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index14.3
Thermo & Levels
PWAT1.23 in
0–3 km LR6.7 °C/km
700–500 LR7.0 °C/km
Total Totals39.8
LCL851 hPa
LFC711 hPa
EL146 hPa
Freezing Lvl14,636 ft