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

Brown County, Ohio, United States

Last updated: 5:09 PM CDT  ·  Refresh
33°C
Feels like 39°
Clear
▲ 34°  /  ▼ 22°
Wind
5 mph WSW
Humidity
56%
Dew Point
22°
Pressure
29.08 inHg
Visibility
10 mi
UV Index
6.2
Cloud Cover
0%
Sunrise
6:13 AM
Sunset
9:04 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Brown County is currently clear at 33°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3576 J/kg) — isolated convective development possible. Sunrise: 6:13AM · Sunset: 9:04PM.

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
69 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
26°
3%
12 AM
26°
3%
1 AM
25°
3%
2 AM
24°
3%
3 AM
24°
3%
4 AM
23°
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°
3%
7-Day Forecast
Tonight
34° 22°
Clear.
Thu
35° 22°
Mostly Clear.
Fri
36° 23°
Partly Cloudy with a 51% chance of rain.
Sat
33° 21°
Partly Cloudy with a 39% chance of rain.
Sun
33° 21°
Rain, 64% chance.
Mon
33° 21°
Thunderstorm, 64% chance.
Tue
29° 21°
Rain, 49% chance.
TimeTempConditionsPrecipWindHumidity
Now 33° Clear 3% 5 mph WSW 56%
7 PM 33° Clear 3% 4 mph WSW 61%
8 PM 32° Clear 3% 4 mph WSW 69%
9 PM 31° Mostly Clear 3% 4 mph WSW 73%
10 PM 28° Mostly Clear 3% 4 mph WSW 76%
11 PM 26° Partly Cloudy 3% 4 mph WSW 79%
12 AM 26° Mostly Clear 3% 3 mph WSW 81%
1 AM 25° Mostly Clear 3% 3 mph SW 83%
2 AM 24° Clear 3% 3 mph SW 85%
3 AM 24° Mostly Clear 3% 3 mph WSW 88%
4 AM 23° Mostly Clear 3% 3 mph W 90%
5 AM 23° Partly Cloudy 3% 3 mph W 92%
6 AM 22° Partly Cloudy 3% 3 mph WNW 92%
7 AM 22° Partly Cloudy 3% 2 mph WNW 92%
8 AM 23° Haze 3% 3 mph NW 89%
9 AM 25° Partly Cloudy 3% 3 mph NW 83%
10 AM 28° Partly Cloudy 3% 3 mph NW 76%
11 AM 29° Partly Cloudy 5% 4 mph NW 71%
12 PM 30° Partly Cloudy 5% 3 mph WNW 67%
1 PM 32° Partly Cloudy 5% 3 mph W 64%
2 PM 33° Mostly Clear 5% 3 mph WSW 61%
3 PM 33° Mostly Clear 5% 3 mph WSW 60%
4 PM 33° Mostly Clear 5% 3 mph W 60%
5 PM 34° Mostly Clear 3% 3 mph WSW 59%
15-Day Forecast
Today
7/1
Clear
3%
22°
34°
Thu
7/2
Mostly Clear
5%
22°
35°
Fri
7/3
Partly Cloudy
51%
23°
36°
Sat
7/4
Partly Cloudy
39%
21°
33°
Sun
7/5
Rain
64%
21°
33°
Mon
7/6
Thunderstorm
64%
21°
33°
Tue
7/7
Rain
49%
21°
29°
Wed
7/8
Mostly Cloudy
41%
19°
30°
Thu
7/9
Rain
68%
20°
30°
Fri
7/10
Thunderstorm
90%
19°
30°
Sat
7/11
Drizzle
64%
19°
29°
Sun
7/12
Drizzle
60%
18°
29°
Mon
7/13
Drizzle
60%
18°
29°
Tue
7/14
Drizzle
60%
18°
29°
Wed
7/15
Drizzle
60%
18°
28°
69
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
69 AQI 18.8 µg/m³
O3
Ground-level ozone
47 AQI 52 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Thu 69 Moderate 47 69
Fri 65 Moderate 50 65
Sat 57 Moderate 46 57
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
SBCAPE2983 J/kg
MLCAPE1953 J/kg
MUCAPE2983 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-7.2
Kinematics
0–6 km Shear11 kt
0–1 km Shear3 kt
Eff. Shear5 kt
0–1 km SRH-2
0–3 km SRH-11
Eff. SRH-11
Storm Motion205° @ 17 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index17.5
Thermo & Levels
PWAT1.22 in
0–3 km LR6.7 °C/km
700–500 LR7.6 °C/km
Total Totals43.0
LCL836 hPa
LFC985 hPa
EL149 hPa
Freezing Lvl14,521 ft