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: 3:58 PM CDT  ·  Refresh
34°C
Feels like 38°
Clear
▲ 35°  /  ▼ 21°
Wind
6 mph SW
Humidity
51%
Dew Point
22°
Pressure
29.09 inHg
Visibility
10 mi
UV Index
7.8
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 34°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3333 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
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
25°
3%
1 AM
24°
3%
2 AM
24°
3%
3 AM
23°
7%
4 AM
23°
6%
5 AM
21°
7%
6 AM
22°
16%
7 AM
23°
16%
8 AM
24°
16%
9 AM
27°
3%
10 AM
28°
3%
11 AM
30°
5%
12 PM
31°
5%
1 PM
32°
5%
2 PM
32°
5%
3 PM
32°
5%
7-Day Forecast
Today
35° 21°
Clear.
Thu
35° 21°
Fog.
Fri
36° 22°
Partly Cloudy with a 55% chance of rain.
Sat
33° 21°
Mostly Cloudy with a 58% chance of rain.
Sun
34° 21°
Thunderstorm, 64% chance.
Mon
33° 21°
Rain, 64% chance.
Tue
29° 20°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 34° Clear 3% 6 mph SW 51%
5 PM 35° Clear 3% 5 mph WSW 52%
6 PM 34° Clear 3% 5 mph WSW 59%
7 PM 32° Clear 3% 4 mph WSW 68%
8 PM 31° Mostly Clear 3% 4 mph WSW 72%
9 PM 28° Mostly Clear 3% 4 mph WSW 76%
10 PM 27° Partly Cloudy 3% 4 mph WSW 79%
11 PM 26° Mostly Clear 3% 4 mph WSW 82%
12 AM 25° Mostly Clear 3% 4 mph WSW 84%
1 AM 24° Clear 3% 4 mph SW 86%
2 AM 24° Mostly Clear 3% 3 mph WSW 89%
3 AM 23° Partly Cloudy 7% 4 mph WSW 91%
4 AM 23° Fog 6% 4 mph W 93%
5 AM 21° Fog 7% 3 mph WNW 92%
6 AM 22° Fog 16% 2 mph WNW 92%
7 AM 23° Fog 16% 2 mph NW 91%
8 AM 24° Partly Cloudy 16% 2 mph NW 85%
9 AM 27° Partly Cloudy 3% 3 mph NW 78%
10 AM 28° Partly Cloudy 3% 3 mph NW 73%
11 AM 30° Partly Cloudy 5% 3 mph NW 70%
12 PM 31° Partly Cloudy 5% 3 mph WNW 66%
1 PM 32° Partly Cloudy 5% 3 mph W 63%
2 PM 32° Partly Cloudy 5% 2 mph W 62%
3 PM 32° Mostly Clear 5% 3 mph W 61%
15-Day Forecast
Today
7/1
Clear
3%
21°
35°
Thu
7/2
Fog
16%
21°
35°
Fri
7/3
Partly Cloudy
55%
22°
36°
Sat
7/4
Mostly Cloudy
58%
21°
33°
Sun
7/5
Thunderstorm
64%
21°
34°
Mon
7/6
Rain
64%
21°
33°
Tue
7/7
Rain
71%
20°
29°
Wed
7/8
Rain
69%
18°
31°
Thu
7/9
Rain
68%
19°
30°
Fri
7/10
Thunderstorm
90%
19°
31°
Sat
7/11
Drizzle
64%
19°
29°
Sun
7/12
Drizzle
60%
18°
29°
Mon
7/13
Drizzle
60%
18°
30°
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, 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
SBCAPE2913 J/kg
MLCAPE2062 J/kg
MUCAPE2913 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-6.9
Kinematics
0–6 km Shear10 kt
0–1 km Shear2 kt
Eff. Shear4 kt
0–1 km SRH-3
0–3 km SRH-11
Eff. SRH-11
Storm Motion192° @ 15 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index15.9
Thermo & Levels
PWAT1.22 in
0–3 km LR7.0 °C/km
700–500 LR7.3 °C/km
Total Totals41.4
LCL823 hPa
LFC985 hPa
EL148 hPa
Freezing Lvl14,449 ft