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: 3:52 PM CDT  ·  Refresh
34°C
Feels like 39°
Clear
▲ 35°  /  ▼ 21°
Wind
8 mph SW
Humidity
53%
Dew Point
23°
Pressure
29.25 inHg
Visibility
9 mi
UV Index
8.0
Cloud Cover
1%
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 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3455 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
34°
3%
5 PM
35°
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°
15%
4 AM
23°
15%
5 AM
21°
15%
6 AM
22°
16%
7 AM
22°
16%
8 AM
24°
16%
9 AM
27°
3%
10 AM
28°
3%
11 AM
30°
3%
12 PM
31°
3%
1 PM
32°
3%
2 PM
32°
3%
3 PM
32°
3%
7-Day Forecast
Today
35° 21°
Clear.
Thu
34° 21°
Fog.
Fri
35° 23°
Partly Cloudy with a 28% chance of rain.
Sat
32° 22°
Mostly Cloudy with a 28% chance of rain.
Sun
32° 21°
Thunderstorm, 43% chance.
Mon
32° 22°
Rain, 64% chance.
Tue
29° 20°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Clear 3% 8 mph SW 53%
5 PM 35° Clear 3% 8 mph SW 56%
6 PM 34° Clear 3% 7 mph WSW 62%
7 PM 32° Clear 3% 6 mph WSW 69%
8 PM 31° Clear 3% 6 mph WSW 73%
9 PM 28° Clear 3% 5 mph WSW 76%
10 PM 27° Clear 3% 5 mph WSW 80%
11 PM 26° Clear 3% 5 mph SW 82%
12 AM 26° Clear 3% 4 mph SW 85%
1 AM 24° Clear 3% 4 mph SW 88%
2 AM 24° Clear 3% 4 mph SW 90%
3 AM 23° Mostly Clear 15% 3 mph SW 92%
4 AM 23° Haze 15% 3 mph SW 93%
5 AM 21° Fog 15% 3 mph WSW 93%
6 AM 22° Fog 16% 2 mph WSW 93%
7 AM 22° Fog 16% 2 mph W 92%
8 AM 24° Partly Cloudy 16% 3 mph W 85%
9 AM 27° Partly Cloudy 3% 3 mph W 78%
10 AM 28° Mostly Clear 3% 4 mph WSW 73%
11 AM 30° Partly Cloudy 3% 4 mph WSW 70%
12 PM 31° Partly Cloudy 3% 4 mph WSW 67%
1 PM 32° Partly Cloudy 3% 4 mph WSW 64%
2 PM 32° Partly Cloudy 3% 5 mph WSW 63%
3 PM 32° Partly Cloudy 3% 5 mph WSW 62%
15-Day Forecast
Today
7/1
Clear
3%
21°
35°
Thu
7/2
Fog
16%
21°
34°
Fri
7/3
Partly Cloudy
28%
23°
35°
Sat
7/4
Mostly Cloudy
28%
22°
32°
Sun
7/5
Thunderstorm
43%
21°
32°
Mon
7/6
Rain
64%
22°
32°
Tue
7/7
Rain
63%
20°
29°
Wed
7/8
Thunderstorm
69%
19°
29°
Thu
7/9
Rain
68%
20°
29°
Fri
7/10
Rain
68%
20°
29°
Sat
7/11
Drizzle
64%
19°
28°
Sun
7/12
Drizzle
60%
19°
29°
Mon
7/13
Drizzle
60%
18°
29°
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, 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
SBCAPE3655 J/kg
MLCAPE2034 J/kg
MUCAPE3655 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-7.4
Kinematics
0–6 km Shear11 kt
0–1 km Shear3 kt
Eff. Shear6 kt
0–1 km SRH3
0–3 km SRH-23
Eff. SRH-23
Storm Motion206° @ 20 kt
0–1 km EHI0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index10.3
Thermo & Levels
PWAT1.17 in
0–3 km LR7.1 °C/km
700–500 LR6.9 °C/km
Total Totals36.5
LCL845 hPa
LFC990 hPa
EL141 hPa
Freezing Lvl14,573 ft